Which statements describe the motion of the object represented by the graph? Select three options.
The object is moving away from the origin.
The object is moving towards the origin.
The object started at the origin.
The object started at 2 meters.
The object is traveling at a constant velocity.
Answers
Answer:
The object is moving away from the origin
The object started at 2 meters
The object is traveling at a constant velocity
Explanation:
Statements which best describe motion of object represented by graph are statement A,D and E.
What is motion?Motion is defined as a phenomenon which is described with respect to change in object's position with respect to time.It is given in terms of displacement,velocity,distance ,acceleration,speed.
Branch of physics which deals with motion of objects without any reference to it's cause is called kinematics while the branch which studies forces and their effects on motion is called as dynamics.
Motion applies to various systems like objects,bodies, matter particles ,radiation ,curvature.There are three laws of motion which are proposed by Newton.Classical mechanics is based on Newton's law of motion.Relativistic mechanics is based on modern kinematics.
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Related Questions
What’s the force of a pitching machine on a baseball?
Baseballs pitched by a machine have a horizontal velocity of 30 meters/second. The machine accelerates the baseball from 0 meters/second to 30 meters/second in 0.5 seconds. If a baseball has a mass of 0.15 kilograms, the force the machine exerts is
newtons. Use F = ma, where .
Answers
Answer:
The Machine exerts a force of 9N.
Explanation:
Initial velocity (u) = 0 m/s
Final velocity (v) = 30 m/s
Time (t) = 0.5 s
Acceleration (a) = (v-u)/t
= (30-0)/0.5 m/s²
= 30/0.5 m/s²
= 60 m/s²
Mass = 0.15 kg
Force = Mass*Acceleration
= 0.15*60 N
= 9 N
Answer:
The Machine exerts a force of 9N.
Explanation:
Plato
define diffusion
pls answer ASAP
Answers
Answer:
Diffusion is the movement of particles from an area of high concentration to an area of low concentration.
Explanation:
what is the highest oxidation state for nb?
Answers
The highest oxidation state for Nb (niobium) is +5.
Oxidation is the loss of electrons in a chemical reaction. For the element niobium (Nb), the highest oxidation state is +5. This is because niobium has five valence electrons in its outermost shell, which it can lose to form a +5 oxidation state.
This is commonly seen in compounds such as Nb₂O₅ (niobium pentoxide) and NbF₅ (niobium pentafluoride). That being said, it is important to note that niobium can also form lower oxidation states, such as oxidation state +3 and +4. However, the +5 state is the highest possible for niobium.
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The Arrhenius equation shows how the rate constant (k) for a reaction is related to various factors, as follows. k = Ae−(Ea/RT) In this equation, k is the rate constant, A is the frequency factor, Ea is the activation energy, R is the gas constant, and T is the temperature in kelvin. (The frequency factor is associated with the frequency and orientation of molecular collisions.)
Calculate the activation energy for a reaction that has a rate constant of 0.265 s−1 and a frequency factor of 1.34 ✕ 1011 s−1 at 48.0°C. The gas constant, R, is 8.314472 J/K·mol.
Answers
The activation energy for the reaction is 223.9 kJ/mol.
To calculate the activation energy (Ea) for the given reaction, we can rearrange the Arrhenius equation to solve for Ea.
First, let's convert the temperature from Celsius to Kelvin:
T = 48.0°C + 273.15 = 321.15 K
Now, we can plug in the given values for k, A, R, and T into the Arrhenius equation:
0.265 s−1 = (1.34 ✕ 1011 s−1) e−(Ea/8.314472 J/K·mol) / (8.314472 J/K·mol) (321.15 K)
Let's simplify this equation by dividing both sides by A and multiplying both sides by R:
(Ea/8.314472 J/K·mol) = ln(1.98 ✕ 10−12) + ln(8.314472 J/K·mol) + ln(321.15 K)
(Ea/8.314472 J/K·mol) = −26.919
Ea = (−26.919) (8.314472 J/K·mol)
Ea = 223.9 kJ/mol
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Four nuclei of Hydrogen-1 combine to form Helium-4 and 2 electrons.Which is the proper isotopic notation for Hydrogen-1. O:H OH O1H O!H
Answers
The proper isotopic notation for Hydrogen-1 is O¹H.
Hydrogen-1 has one proton and no neutron, therefore it is also known as protium. The isotopic notation of an element consists of its symbol, mass number, and atomic number. The atomic number of Hydrogen is 1, and as it has one proton in its nucleus, the mass number is also 1. The isotopic notation for hydrogen-1 can be written as O¹H.
The fusion reaction involving Hydrogen-1 combines four Hydrogen-1 nuclei to form Helium-4. This reaction occurs inside the core of the sun, where the temperature is high enough to enable nuclear fusion to occur. The reaction also releases a significant amount of energy in the form of gamma rays.
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if a nitrogen atom and a slightly heavier oxygen atom have equal average speeds, which has the greater kinetic energy? group of answer choices more information is needed. both have the same. nitrogen. oxygen.
Answers
If nitrogen atom and a slightly heavier oxygen atom have equal average speeds, then the greater kinetic energy is greater for : oxygen.
How is average speed of atoms related to kinetic energy?Kinetic energy is directly proportional to the speed of the molecules such that as speed of the colliding molecules increases, so does the total kinetic energy of all the gas molecules.
With the increase in temperature, particles obtain kinetic energy and move faster. The average speed of the particles depends on the mass and the temperature. Heavier particles move slowly as compared to lighter ones at the same temperature.
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Suppose that it rains when the temperature of the ground, and the air just above the ground, is below the freezing point of water (0 C). The rain freezes. Will the freezing lower or raise the temperature near the ground? Explain.
Answers
Rain freezing is a condition of "exothermic" process. The freezing rain emits thermal energy, which is then transmitted to the earth. The earth will receive thermal energy if the rain loses thermal energy. As a result, the ground's temperature rises.
Due to the salt in saltwater, it freezes at a lower temperature than fresh water, approximately 28.4 degrees Fahrenheit (ca. -2 °C). However, because only the water portion of saltwater freezes, very little salt is present in the ice when it is formed. Water may be made from it by melting it down.
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In the instruction MOV AX, 100[BP][SI], which segment register
can be used to form the source operand address?
What is the relationship between three unsigned numbers
X=1001001B, Y=120Q, Z=5EH?
Answers
The segment register that can be used to form the source operand address in the instruction MOV AX, 100[BP][SI] is DS (Data Segment).
Without knowing the base for Y, it is not possible to establish a direct relationship between the three unsigned numbers X=1001001B, Y=120Q, and Z=5EH.
In the instruction MOV AX, 100[BP][SI], the segment register that can be used to form the source operand address is DS (Data Segment). The DS register holds the segment base address, which is added to the effective address to calculate the physical address of the source or destination data.
Regarding the relationship between the three unsigned numbers X=1001001B, Y=120Q, Z=5EH:
X=1001001B: This is a binary number represented in base 2. It has a value of 73 in decimal notation (base 10). The subscript "B" indicates that the number is in binary format.
Y=120Q: This number is represented using an unknown base, denoted by the subscript "Q." Without knowing the base, it's not possible to determine the exact value of Y or establish a relationship with the other numbers.
Z=5EH: This number is represented in hexadecimal notation (base 16). It has a value of 94 in decimal notation (base 10). The subscript "E" indicates that the number is in hexadecimal format.
Without knowing the base for Y, it is not possible to establish a direct relationship between X, Y, and Z.
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1. How a car looks like it is moving slow as it passes you in another moving car is an example of _____.
2.The reading you see on your cars speedometer is an example of _____.
3. An object _____ is the distance and direction of the object change in position. It is not the same as distance.
4. If you are not showing down or spending up you are going at ____.
Answers
1.distance
Explanation:
I hope it will help you
please mark me has brainlist
Rutherford's model of atom could not explain:
Select one:
a.
Intensive properties
b.
Physical properties
c.
Chemical properties
d.
Extensive properties
Answers
Rutherford's model of atom could not explain chemical properties as it did not make any mention as to how chemical changes take place.
What are chemical properties?These properties are defined as those properties which become evident during or after a chemical reaction after the identity of the substance is changed during chemical reaction.
These properties cannot be determined externally just by viewing the substance ,these change immensely after a substance undergoes a chemical change.These are used for identification of unknown substances and for building up chemical classifications.
The major chemical properties are flammability,toxicity,reactivity,acidity and heat of combustion.For a chemical property to be apparent , it is necessary that the structure of the substance is altered.
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When purified cytochrome oxidase is exposed to cyanide, the cyanide binds reversibly and with high affinity to the enzyme’s active site. What will be the likely outcome if mitochondria are exposed to high levels of cyanide?.
Answers
The likely outcome if mitochondria are exposed to high levels of cyanide will be that the cyanide will prevent movement of electrons along the electron transport chain.
The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles (mitochondrion, singular). Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP).
More than 90% of the energy in your body's cells is produced by mitochondria, which act as batteries in the cells. In high-energy-demanding organs including your heart, liver, muscles, and brain, mitochondria play a critical role. Mitochondria make about 25% of liver cells and 40% of heart muscle cells, respectively.
The unique compartments (organelles) in human cells called mitochondria are well recognised for acting as energy producers by disassembling food molecules and producing ATP, a fuel for the remainder of the cell
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The complete question is ''When purified cytochrome oxidase is exposed to cyanide, the cyanide binds reversibly and with high affinity to the enzyme's active site. What will be the likely outcome if mitochondria are exposed to high levels of cyanide?
A. The cyanide will prevent movement of electrons along the electron transport chain.
B. The cyanide will block movement of protons across the inner mitochondrial membrane.
C. The cyanide will inhibit transfer of electrons from NADH to initiate electron transport.
D. The cyanide will prevent oxygen from reaching the mitochondrial matrix.
1. Why are things considered nonliving and why do organisms need them?
2. Why do you think snakes do not live in the Arctic Tundra?
Answers
Answer:
I don't really understand the first question but the second question answer is they do not live in the Artic Tundra because they are cold blooded and need hot habitats to survive.
Explanation:
The Arctic Tundra is cold and snakes need warm temps to survive because they are cold blooded.
The Coriolis effect greatly affects the paths of air circulation on earth. What causes the coriolis effect?
Answers
Answer:
The Coriolis effect is caused by the rotation of the Earth on its axis. As the Earth rotates, anything that travels through the air, such as airplanes, missiles, or weather systems, appears to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. This deflection is due to the fact that different points on the Earth's surface are rotating at different speeds depending on their latitude. As a result, objects moving through the air appear to be deflected due to the difference in rotational speed between the starting point and the destination point. The Coriolis effect plays a significant role in the movement of air masses, ocean currents, and weather patterns on Earth.
Explanation:
Which of the following compounds has more atoms of sulfur (S)? Explain your reasoning.
Sodium Sulfate (4Na2SO4)
Nitrogen Sulfate (N2(SO4)3)
Answers
Answer:
Nitrogen sulfate
Explanation:
In Sodium sulfate there is 1 sulfur ion since the poly atomic ion SO4 has only one sulfur. In nitrogen sulfate there are 3 sulfur ions since it is (SO4)3 so there are three SO4 poly atomic ions meaning there are 3 sulfur ions.
Is the dissolution of sodium acetate in water endothermic or exothermic?
Answers
The dissolution of sodium acetate in water is exothermic. The dissolution of sodium acetate in water is a chemical reaction that releases heat.
This reaction is exothermic, meaning that it releases energy in the form of heat into the surroundings. This occurs because the bonds between the sodium acetate molecules are broken during the dissolution process, and the energy required to break these bonds is released into the water. The amount of heat released during the reaction can be measured using a calorimeter, and can be used to calculate the enthalpy change for the reaction.
The exothermic nature of the dissolution of sodium acetate in water is due to the fact that the energy released by breaking the bonds between the sodium acetate molecules is greater than the energy required to separate the ions in the solution. This results in a net release of energy, which makes the reaction exothermic.
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Answer: The dissolution of sodium acetate in water is exothermic. The dissolution of sodium acetate in water is a chemical reaction that releases heat. This reaction is exothermic, meaning that it releases energy in the form of heat into the surroundings. This occurs because the bonds between the sodium acetate molecules are broken during the dissolution process, and the energy required to break these bonds is released into the water. The amount of heat released during the reaction can be measured using a calorimeter, and can be used to calculate the enthalpy change for the reaction. The exothermic nature of the dissolution of sodium acetate in water is due to the fact that the energy released by breaking the bonds between the sodium acetate molecules is greater than the energy required to separate the ions in the solution. This results in a net release of energy, which makes the reaction exothermic.
Explanation:
A Cell is B.00 un in diameter' and has a cell width of 60.0 nm thrck. If densty x (mass druided by volome) of the wall is the Same as thent of pure water (1000kym
−3
). What ts the mass (in my) of the cell wall cossuming cell is splowicul and the wall is thin sphericul slell?
Answers
The mass of the cell wall, assuming the cell is spherical and the wall is a thin spherical shell, is approximately 0.91 milligrams.
To calculate the mass of the cell wall, we first need to determine the volume of the wall.
The given diameter of the cell is 0.00 μm, which means the radius (r) of the cell is half of that, so r = 0.00/2 = 0.00 μm = 0.00 nm.Now, we need to find the volume of the cell wall, which can be approximated as a thin spherical shell. The volume of a thin spherical shell can be calculated using the formula:
V = 4/3 * π * (r_outer^3 - r_inner^3)
Since the cell is spherical, the inner radius of the shell is the same as the radius of the cell (r), and the outer radius of the shell is the sum of the radius of the cell (r) and the thickness of the wall (60.0 nm). Thus, the outer radius (r_outer) of the shell is:
r_outer = r + thickness = 0.00 + 60.0 = 60.0 nm
Substituting the values into the formula, we have:
V = 4/3 * π * (60.0^3 - 0.00^3)
= 4/3 * π * (216,000 nm^3)
= 288,000 π nm^3
Next, we need to calculate the mass of the cell wall using the density of pure water. The density (ρ) is given as 1000 kg/m^3, which is equivalent to 1000 kg/1,000,000,000 nm^3 since 1 m = 1,000,000,000 nm. Thus, the mass (m) of the cell wall is:
m = ρ * V
= 1000 kg/1,000,000,000 nm^3 * 288,000 π nm^3
= 0.000288 π kg
Now, we can calculate the mass of the cell wall by substituting the value of π (pi) as 3.14159:
m = 0.000288 * 3.14159 kg
= 0.000905 kg
≈ 0.91 mg
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Oxalic acid (98%) is a polyprotic acid. It has a density of 1.65 g/cm^3 and a melting point of 189.5°C. Oxalic acid has a molecular mass of 90.03 g/mol and with a pka1 of 5.62 x10^-2. What volume of oxalic acid must be added to sufficient water to give a 1.500 liter solution that is 0.300 F (in formal concentration)?
Answers
Approximately 24.55 cm^3 of oxalic acid must be added to sufficient water to give a 1.500 liter solution with a formal concentration of 0.300 F.
To find the volume of oxalic acid needed to make a 1.500 liter solution with a formal concentration of 0.300 F, we need to use the equation:
Formal concentration (F) = (moles of solute) / (volume of solution in liters)
First, we need to calculate the moles of oxalic acid required. The formal concentration (F) is given as 0.300, so:
0.300 = (moles of oxalic acid) / 1.500
Rearranging the equation, we find:
moles of oxalic acid = 0.300 * 1.500
moles of oxalic acid = 0.450
Next, we can calculate the mass of oxalic acid needed using its molecular mass:
mass of oxalic acid = moles of oxalic acid * molecular mass
mass of oxalic acid = 0.450 * 90.03
mass of oxalic acid = 40.5145 g
Finally, we can calculate the volume of oxalic acid needed using its density:
volume of oxalic acid = mass of oxalic acid / density
volume of oxalic acid = 40.5145 g / 1.65 g/cm^3
volume of oxalic acid = 24.55 cm^3
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What are 5 characteristics of ionic compounds?.
Answers
Characteristics of ionic compounds are
1. They develop crystals.
2. Both their melting and boiling points are very high.
3. They are fragile and hard.
4. Compared to molecular molecules, they have higher fusion and vapourization enthalpies. When dissolved in water, they act as an electrical conductor.
5. Ionic solids are excellent insulators because they do not conduct electricity.
What are ionic compounds ?An ionic compound in chemistry is a chemical complex made up of ions kept together by electrostatic forces known as ionic bonding. Although the molecule is mostly neutral, it contains positively charged ions known as cations and negatively charged ions known as anions.
The entire valence electron transfer between atoms is known as ionic bonding. Two ions with opposing charges are produced as a result of this kind of chemical connection. Ionic bonding result in a metal losing electrons to become a positively charged cation and a nonmetal accepting those electrons to become a negatively charged anion.Learn more about Ionic compounds here:
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How many moles in 67.8 g of F2 ( Fluorine compound)?
Answers
Answer:
1.78 moles
Explanation:
to find moles, use the formula moles=mass/rfm
the rfm is the mass number (the bigger number) on the element's square thingy on the periodic table
the mass number of fluorine is 19
19*2 (because it's diatomic you multiply it by 2) =38
so 67.8/38=1.78421052632
round it to 2 sf= 1.78 moles
What is the oxidation number of Gallium?
Answers
Answer: +3
Explanation: Gallium liquefies just above room temperature. Gallium is a soft solid, however it quickly becomes liquid when heated.
True or False: The greater the motion of the molecules in a substance, the higher the temperature, and the less energy it will have to change states.
True
False
Answers
Answer: True
Explanation:
the no. of atoms in 8g of potassium sulfate
Answers
Considering the definition of molar mass and Avogadro's Number, there are 2.77048×10²² atoms in 8 g of potassium sulfate.
Definition of molar massThe molar mass of substance is a property defined as its mass per unit quantity of substance.
In other words, molar mass is the amount of mass that a substance contains in one mole.
Definition of Avogadro's NumberAvogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.
Number of atoms in 8 g of potassium sulfateIn first place, the molar mass of potassium sulfate K₂SO₄ is 174.2 g/mole. So, you can apply the following rule of three: If by definition of molar mass 174.2 grams are contained in 1 mole, 8 grams of the compound are contained in how many moles?
\(number of moles=\frac{8 grams x1 mole}{174.2 grams}\)
number of moles=0.046 moles
Now you can apply another rule of three as follow: If by definition of Avogadro's number 1 mole of the compound contains 6.023×10²³ atoms, 0.046 moles of the compound contains how many atoms?
amount of moles of potassium sulfate= (6.023×10²³atoms × 0.046 moles)÷ 1 mole
amount of moles of potassium sulfate= 2.77048×10²² atoms
Finally, there are 2.77048×10²² atoms in 8 g of potassium sulfate.
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The normal boiling point of ethanol is 78.4 oC. Its enthalpy of vaporization is 38.6 kJ/mol. Estimate the vapor pressure of ethanol at 26.3 oC.
Answers
Answer: The vapor pressure of ethanol at \(26.3^{o}C\) is 238.3 torr.
Explanation:
Given: \(\Delta H_{vap}\) = 38.6 kJ/mol
\(T_{1} = 26.3^{o}C = (26.3 + 273) K = 299.3 K\)
\(T_{2} = 78.4^{o}C = (78.4 + 273) K = 351.4 K\)
Formula used to calculate the vapor pressure of ethanol is as follows.
\(ln\frac{P_{2}}{P_{1}} = \frac{\Delta H_{vap}}{R} [\frac{1}{T_{1}} - \frac{1}{T_{2}}]\\\)
Substitute the values into above formula as follows.
\(ln\frac{P_{2}}{P_{1}} = \frac{\Delta H_{vap}}{R} [\frac{1}{T_{1}} - \frac{1}{T_{2}}]\\ \\ln \frac{760 torr}{P_{1}} = \frac{38600 J}{8.314 J/mol K}[\frac{1}{299.3} - \frac{1}{351.4}]\\\frac{760}{P_{1}} = 3.18\\P_{1} = 238.3 torr\)
Thus, we can conclude that the vapor pressure of ethanol at \(26.3^{o}C\) is 238.3 torr.
The sample of oxygen which represents the greatest mass is
A.) mole
B.) gram
C.) molecule
D.) liter
Answers
Answer:
A
Explanation:
A sorry if not correct
What are the redox reactions that take place?
Answers
Answer:
mitochondria
Explanation:
is that correct please answer
Gallium is a metallic element in Group III. It has similar properties to aluminium.
(a) (i) Describe the structure and bonding in a metallic element.
Answers
Metallic elements exist in a solid-state and they are opaque, have a shiny surface, good conductors of electricity and heat, malleable and ductile, and are dense. The structure of metals is formed by atoms that are held together by metallic bonds. These atoms have loosely bound valence electrons that can be shared between the neighboring atoms.
Therefore, the outermost shells of these atoms are incomplete due to the sharing of valence electrons, forming a lattice structure known as a metallic bond.Metallic elements have a unique crystal structure that occurs in two forms. The most common type of metal crystal structure is the body-centered cubic structure where the atoms are arranged in a cube with one atom located at the center of the cube. The other type of metal crystal structure is the face-centered cubic structure, where each corner of the cube is an atom and there is an additional atom at the center of each face of the cube .Metallic bonding occurs due to the delocalized electrons that exist in the metal structure. The valence electrons from each atom are free to move throughout the entire metal lattice. Therefore, these electrons form a "sea of electrons" that is shared by all the atoms in the lattice. This results in the metal structure having high thermal and electrical conductivity.Metals are known for their ductility and malleability properties. These properties are due to the metallic bonding that exists in the metal structure. Since the valence electrons are shared, they can easily move past one another, allowing the metal to be hammered into different shapes without breaking.The properties of metals vary depending on their structure and bonding. Gallium, being a metallic element in Group III, has similar properties to aluminum. Therefore, it has a similar metallic bond structure with delocalized electrons that provide the metal with its unique properties.For such more question on valence electrons
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Which element would form a Covalent (Molecular) bond with Carbon (C) ?
a. 5 Tellurium (Te) b. 9 Nitrogen (N) c. Neither
Name of this molecule: ________________________________________
3. Which element would form a Covalent (Molecular) bond with Chlorine (Cl) ?
a. 3 Calcium (Ca) b. 7 Sulfur (S) c. Neither
Name of this molecule: ________________________________________
4. Which element would form a Covalent (Molecular) bond with Xenon (Xe)?
a. 8 Francium (Fr) b. 1 Hydrogen (H) c. Neither
Name of this molecule: ________________________________________
5. Which element would form a Covalent (Molecular) bond with Hydrogen (H)?
a. 7 Fluorine (F) b. 8 Argon (Ar) c. Neither
Name of this molecule: ________________________________________
Answers
first one: nitrogen
ammonia (NH3)
//
3. sulfur
sulfur dichloride (SCl2)
//
4. neither (xenon is a noble gas)
//
5. fluorine
hydrogen monoflouride (HF)
//
I'm not too confident with my naming skills but the chemical formula should be right.
estimate+the+age+of+the+skull+if+the+half-life+of+carbon-14+is+about+5580+years+and+3%+of+the+original+amount+of+carbon-14+remains+in+the+burnt+wood+of+the+campfire.
Answers
The estimated age of the skull based on 3% remaining carbon-14 and a half-life of 5580 years is approximately 19620 years.
To estimate the age of the skull based on the remaining amount of carbon-14 in the burnt wood, we can use the formula for radioactive decay:
Remaining amount = Initial amount * (1/2)^(n/t)
Where:
Remaining amount is the fraction of carbon-14 that remains (3% or 0.03)
Initial amount is the original amount of carbon-14
n is the number of half-lives that have passed
t is the half-life of carbon-14 (5580 years)
We can rearrange the equation to solve for the number of half-lives (n):
n = (log(Remaining amount) / log(1/2)) * (t)
Substituting the values (Remaining amount = 0.03, t = 5580 years) into the equation, we can estimate the age of the skull:
n = (log(0.03) / log(1/2)) * (5580 years)
Calculating the value of n will give us the estimated number of half-lives that have passed. To convert it to the age of the skull, we multiply n by the half-life:
Age of the skull = n * t
Please note that the accuracy of this estimation relies on several assumptions, including the initial amount of carbon-14 in the sample being known and constant. Additionally, it is important to consider any potential factors that might affect the reliability of carbon-14 dating, such as contamination or environmental factors.
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How is energy and matter in forests connected by the carbon cycle?
Answers
Answer:
Because trees give off carbon dioxide witch can cycle threw numerous energy sources.
Type the correct answer in the box. use numerals instead of words. a certain radioactive atom has 90 protons and 142 neutrons. if this atom undergoes alpha decay, what is the mass number of the daughter atom? the mass number of the daughter atom is .
Answers
The mass number of the daughter atom formed from the alpha decay of a certain radioactive atom that has 90 protons and 142 neutrons is 228.
What is alpha decay?Alpha decay of a radioactive material is the release of an alpha particle that posseses mass number of 4 and atomic number of 2.
According to this question, a certain radioactive atom that has 90 protons and 142 neutron undergoes alpha decay. This means that the mass number of the daughter atom will be as follows:
Mass number of radioactive atom = 142 + 90 = 232
Mass number of daughter atom = 232 - 4 = 228
Therefore, the mass number of the daughter atom formed from the alpha decay of a certain radioactive atom that has 90 protons and 142 neutrons is 228.
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