A graduated cylinder is filled 10.10 mL with water and a piece of granite is placed in the cylinder, displacing the level to 19.45 mL. What is the volume of the granite piece in mL?

Three common naturally radioactive elements are uranium, thorium, and radium.

These elements undergo radioactive decay, emitting radiation in the form of alpha, beta, or gamma particles. Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. Three of the most common types of decay are alpha decay, beta decay, and gamma decay, all of which involve emitting one or more particles.

To know more about radioactivity, click here:-

https://brainly.com/question/1770619

#SPJ11

Three common naturally radioactive elements are uranium, potassium, and carbon-14.

Radioactivity is a phenomenon in which certain unstable atoms undergo spontaneous nuclear decay and emit radiation in the form of particles or waves. Many elements found in nature are naturally radioactive, meaning they contain unstable isotopes that undergo radioactive decay.

Three common naturally occurring radioactive elements are:

Learn more about radioactive elements

https://brainly.com/question/17551878

#SPJ4

Full Question: "Some elements are naturally radioactive. Can you list 3 common ones?"

Answer:

Element are substances made up of the same kind of atoms

The atoms (or groups of atoms) that can have expanded octets are option c. N and option e. O.

An octet is a set of 8 electrons in an atom's outer shell. The octet rule is a chemical rule that explains how atoms combine and behave chemically by requiring them to have complete outer electron shells consisting of eight electrons. When considering covalent bonding in a compound, the octet rule states that atoms will donate, accept, or share electrons to achieve a full valence shell of eight electrons.

Expanded octets occur when an atom in a compound has more than eight electrons in its outer shell. Expanded octets are only observed for elements in period three and above because of the d orbitals in the valence shell, which allows for more electrons to be held.

Expanded octets can exist due to the existence of d-orbitals in elements. The most popular expanded octets are found in phosphorus, sulfur, and chlorine.

To learn more about atoms visit;

https://brainly.com/question/1566330

#SPJ11

The actual protein concentration of the given milk sample is 1.176 mg/mL

The actual protein concentration of a milk sample can be determined using the Bradford protein assay test results.

This assay utilizes the Coomassie blue dye, which binds to proteins under acidic conditions, causing a shift in the absorption maximum from 465 nm to 595 nm.

The amount of dye bound to the protein is quantified by measuring the absorbance at 595 nm.

To calculate the protein concentration, a standard curve is generated using known protein concentrations.

Absorbance values of protein standards are plotted against their concentrations, and a linear regression line is drawn.

The equation of the line, Absorbance = m x [protein] + b, is used to calculate the protein concentration of an unknown sample.

Creating a new standard curve, a series of bovine serum albumin (BSA) standards with concentrations ranging from 0.1 mg/mL to 0.5 mg/mL are prepared.

The absorbance of each standard is measured at 595 nm.

Plotting the absorbance values against their concentrations and drawing a linear regression line, the equation of the line is determined.

Using the absorbance value obtained from the Bradford assay for the milk sample (0.825 mg/mL), we can substitute it into the equation of the line to calculate the protein concentration.

Assuming the equation is Absorbance = 0.69 x [protein] + 0.02, the protein concentration of the milk sample is determined as follows:

\(0.825 = 0.69 \times [protein] + 0.02\)

\([protein] = \frac{{0.825 - 0.02}}{{0.69}}\)

\([protein] = 1.176 \, \text{mg/mL}\)

Hence, the actual protein concentration of the given milk sample is 1.176 mg/mL.

This calculation demonstrates how the Bradford assay and standard curve can be utilized to determine the protein concentration in a sample.

To know more about Protein concentration here: https://brainly.com/question/13720293

#SPJ11

Answer:

6

Explanation:

2+2+2=6 :)

Answer:

6

Explanation:

vvvffhjh DC hcf vhcnbfhbc

Answer:

is B

Explanation:

it isnt C or D so let's look at A and B so the answer is more likely going to be B because A your muscles cant change shape and C your muscles are protien and D humans and animals do not have cell walls that only have cell membrane

Answer:

No B. is incorrect, the REAL answer is actually C.

Explanation:

The main function of muscles is to move body parts by contracting, which requires a lot of energy. so C. is the only answer that concludes with this. The cell structure that produces energy is the mitochondrion.

Therefore, the best prediction is that muscle cells contain a large number of mitochondria in order to provide more energy.

So that means B. would be an assumable answer.

I hope this helps!

Cardiovascular diseases (CVDs) are the most common cause of death worldwide, claiming the lives of an estimated 17.9 million persons each year. CVDs are a group of heart and blood disorders.

The bone marrow produces stem cells, the building blocks that the body uses to make the different blood cells – red cells, white cells and platelets. The erythropoietin sends a message to the stem cells telling more of them to develop into red blood cells, rather than white cells or platelets.

Whole blood is made up of red blood cells, white blood cells and platelets, all of which are suspended in a liquid called plasma. Whole blood and each of it's four components are all valuable tools in modern medicine.

To know more about blood visit:

https://brainly.com/question/30089368

#SPJ4

In the context of atomic orbital (AO) wavefunctions, the terms "radial node" and "nodal plane" refer to different aspects of the wavefunction's behavior.

A radial node is a region in the AO wavefunction where the probability of finding an electron is zero along the radial direction. In other words, it represents a spherical shell where the electron is unlikely to be found. The number of radial nodes is determined by the principal quantum number (n) of the orbital. For example, the 2s orbital has one radial node, while the 2p orbital has no radial nodes.

On the other hand, a nodal plane is a flat plane within the AO wavefunction where the probability of finding an electron is zero along a particular direction. It represents a surface that divides the orbital into two regions of opposite phases. The number of nodal planes is determined by the angular quantum numbers (l and m) of the orbital. For example, the 2s orbital has no nodal planes, while the 2p orbital has one nodal plane (the xz or yz plane).

Radial nodes arise from the radial part of the wavefunction because they depend on the distance from the nucleus. The radial part determines the distribution of the electron density as a function of distance, and the nodes correspond to regions where the density drops to zero.

On the other hand, nodal planes arise from the angular part of the wavefunction because they depend on the orientation and shape of the orbital. The angular part describes the angular distribution of the electron density around the nucleus, and the nodal planes correspond to regions where the phase of the wavefunction changes sign.

In summary, radial nodes are related to the distance from the nucleus and arise from the radial part of the wavefunction, while nodal planes are related to the orientation and shape of the orbital and arise from the angular part of the wavefunction. The 2s orbital has one radial node and no nodal planes, while the 2p orbital has no radial nodes and one nodal plane.

learn more about radial node here

https://brainly.com/question/31829965

#SPJ11

The regression output indicates that the time it takes for the epoxy to fully harden is significantly influenced by the amount of glue used.

The regression output indicates that the time it takes for the epoxy to fully harden is significantly influenced by the amount of glue used. This is because the coefficient for the predictor variable "amounts" is significant (assuming a reasonable level of statistical significance), suggesting that there is a strong relationship between the amount of glue used and the hardening time. The regression equation can be used to estimate the hardening time for different amounts of glue used. Additionally, it's important to note that the answer to your question cannot be given in a specific number of minutes since it depends on the specific amounts of glue used. However, it can be said that more glue will generally lead to a longer hardening time, and vice versa. To get a more accurate answer, you would need to refer to the regression equation and input the specific amount of glue used.

To know more about epoxy visit: https://brainly.com/question/31597386

#SPJ11

Answer:

no. of neutron=51

2. Cr: no. of protons= 24

no. of neutron=28

3. S: number of protons=16

number of neutrons =16

4. BR : number of proton=35

number of neutron =46

Explanation:

In the given questions;

the numerator is atomic mass and in denominator there is atomic number.

Answer: According to the law of conservation of mass, matter can be neither created nor destroyed, but it can be transformed from one form to another.

Explanation: The law of conservation of mass is one of the fundamental principles of physics, which states that the total mass of a closed system remains constant over time. In other words, matter can be neither created nor destroyed, but it can be transformed from one form to another, such as through chemical reactions or nuclear reactions. This principle is based on the work of Antoine Lavoisier, who first proposed it in the 18th century.

Answer:

hcl:-is as strong acid than water.naoh:-is as strong base than Nh3

Explanation:

hence naoh is base and HCl is acid

355.25 grams of sodium sulfate will be formed if you start with 200.0 g of sodium hydroxide and you have an excess of sulphuric acid

The given response is displayed below.

2NaOH+\(H_{2}SO_{4}\)→\(2H_{2} O\)+\(Na_{2}SO_{4}\)

Two moles of sodium hydroxide react with one mole of sulfuric acid to produce two moles of water and one mole of sodium sulfate.

To compute the mass of sodium sulfate, you must first calculate the moles of sodium hydroxide, whose mass value is given.

NaOH has a molecular weight of 40 g/mol.

The formula is shown below.

n=\(\frac{m}{M}\)

Where n is the number of moles.

m equals mass

M denotes the molecule's mass.

To get the number of moles, put the appropriate numbers into the equation above.

⇒n=\(\frac{200}{40}\) =

n=5

According to the equation, 2 moles of sodium hydroxide yields 1 mole of sodium sulfate.

Therefore, divide the predicted moles of NaOH by 2 to obtain the actual mole of sodium sulfate. \(\frac{5}{2}\)=

 2.5mol

Therefore, 2.5 mol of sodium sulfate is produced from 5 mol of sodium hydroxide.

142.1 g/mol is the molecular weight of sodium sulfate.

Replace the numbers in the formula to get the mass of sodium sulfate.

m=2.5×142.1\s⇒m=355.25

To know more about moles click on the below link:

https://brainly.com/question/24191825

#SPJ4

Answer:

B,C,D

Explanation:

Hope this helps.

\(\huge\bold\red{Aɴswᴇʀ}\)

Ethanol is a polar solvent, a flammable liquid made of gasoline and alcohol that fully and immediately combines with water instead of separating, which is the opposite of what a firefighter attempting to knock down a car fire might expect.

Answer:

Ethanol has a high vapor pressure. Therefore, even though you may not be able to see the particles of ethanol in the air, they are there and will readily fuel a combustion reaction if an open flame is nearby

Answer:

The SI base unit for amount of substance is the mole. 1 mole is equal to 1 moles N2, or 28.0134 grams.

Explanation:

:)

76.664 grams of mass presented in the 0.370 moles of Pb (1 mol of Pb has a mass of 207.2g.)

To determine the mass of 0.370 moles of Pb, you can use the given information that 1 mole of Pb has a mass of 207.2 grams. To find the mass of 0.370 moles of Pb, simply multiply the number of moles (0.370) by the mass of 1 mole of Pb (207.2 grams):

Using the rule of three, it is possible to solve proportionality issues between three known values and a fourth that is unknown.

The direct rule of three must be used if there is a direct relationship between the magnitudes, meaning that when one increases, the other does as well (or vice versa when one lowers).

The following formula, where a, b, and c are known values and x is the unknown value to calculate, must be used to solve a direct rule of three:
Mass = (Number of moles) × (Mass of 1 mole)
Mass = 0.370 moles × 207.2 g/mol
Mass ≈ 76.664 grams
Therefore, the mass of 0.370 moles of Pb is approximately 76.664 grams.

Learn more about mass here

https://brainly.com/question/15859030

#SPJ11

The change described in the process of reconstituting frozen orange juice is a physical change. A physical change refers to a transformation that affects one or more physical properties of a substance, such as its size, shape, or state, without altering its chemical composition.

Adding water to frozen orange juice to reconstitute it causes a change in its volume, but it does not create new substances or cause a chemical reaction. Therefore, it is considered a physical change. Other examples of physical changes include cutting an apple, melting ice, and boiling water.

Find out more about physical change

brainly.com/question/13056570

#SPJ4

Answer:

cu2 is 5he correct answer

Answer:

the one with the lower ionization energy is more likely to be positive as it is easier to remove the valence electron that causes the positive charge

element a is likely in the s block as that is a low ionization energy and they get larger as you move up and to the R in the table

and element b is likely in the p block for the same reason

Explanation:

The volume of a balloon containing 0.24 mole of hydrogen gas at a temperature of 35°C and a pressure of 1.05 atmospheres is 6.0327 L.

To determine the volume of the balloon, we can use the ideal gas law formula, PV = nRT, where P is the pressure, V is the volume, n is the amount of substance in moles, R is the ideal gas constant, and T is the temperature in Kelvin.

First, we need to convert the temperature from Celsius to Kelvin by adding 273.15. So, 35°C + 273.15 = 308.15 K.

Next, we can substitute the given values into the formula and solve for V:

PV = nRT

1.05V = (0.24 mol)(0.08206 L atm/mol K)(308.15 K)

Simplifying the equation:

1.05V = 6.33512 L atm

Dividing both sides of the equation by 1.05:

V = 6.0327 L

Therefore, the volume of the balloon containing 0.24 mole of hydrogen gas at a temperature of 35°C and a pressure of 1.05 atmospheres is 6.0327 L.

By applying the ideal gas law formula, we find that the volume of the balloon is 6.0327 L. This calculation takes into account the pressure, temperature, and the amount of substance of hydrogen gas present in the balloon.

To know more about hydrogen gas click here:

https://brainly.com/question/29079724

#SPJ11

Combine the stoichiometry by a element's subscript to find number of atom.  In 2AI\(_2\)(CO\(_3\))\(_3\), 4 aluminium atom, 3 carbon atom and 9 oxygen atom are there.

Aluminium carbonate is an aluminum carbonate. It is not well defined; according to one reference, simple carbonates of aluminum are unknown.

Yet, similar compounds such as the basic sodium aluminum carbonate solid dawsonite and the hydrated basic aluminum carbonate minerals scarbroite as well as hydroscarbroite are known. To find the number of atoms in an element, combine the stoichiometry by a element's subscript. In  2AI\(_2\)(CO\(_3\))\(_3\), 4 aluminium atom, 3 carbon atom and 9 oxygen atom are there.

Therefore, in  2AI\(_2\)(CO\(_3\))\(_3\), 4 aluminium atom, 3 carbon atom and 9 oxygen atom are there.

To know more about aluminium carbonate, here:

https://brainly.com/question/16881692

#SPJ1

Answer:

In this excerpt, Emerson is in favor of, and stresses the importance of, individual intellect and moral development. He urges readers to look within—into their inner selves to seek inspiration and attain self-reliance rather than imitating others or adopting age-old ideas, which society has practiced over time. He uses examples of great thinkers such as Moses, Milton, and Plato, who thought for themselves and didn’t let society and established ideas influence them. Emerson further stresses that people should not dismiss their own ideas, only to discover them in others’ works, but learn to nurture and accept their potential. When people are able to accept and trust their own thoughts, they will be able to come up with ideas as brilliant and original as those of any wise man.

Explanation:

Hope this helps.

Based in the excerpt, it is the idea of the writer that listening to the inner thoughts could help unlock greatness in people.

Inner thought refers to the personal ideas and thoughts which comes into the heart of individuals.

This inner thought us also described as the voice of the mind.

In the excerpt, Emerson encourages the reader to listen more and follow the voice of the inner thought as this has helped made men such as Moses, Plato and Milton great men.

Therefore, it is the idea of the writer that listening to the inner thoughts could help unlock greatness in people.

Learn more about inner thought at: https://brainly.com/question/1999125

#SPJ2

Using the military as a tool was what the radical republicans used to achieve their aim of reconstruction.

This was an event which occurred after the American Civil War in which all the chaos were taken care of and normalcy restored to the country.

The radical republicans ensured rights of the people such as voting were protected through the use of the military force and makes option C the correct choice.

Read more about Reconstruction here https://brainly.com/question/24761999

#SPJ4

One of the strategy radical republicans used to achieve their goals for reconstruction using the military to protect african american voting rights. That is option C.

The radical republican plan was the plan set out by the republicans to re-empowers the Freedman's Bureau and set reform efforts in motion that will lead to the 14th and 15th Amendments.

The strategy used by radical republicans include:

Therefore, one of the strategy radical republicans used to achieve their goals for reconstruction using the military to protect african american voting rights.

Learn more about the republicans here:

https://brainly.com/question/888140

A biology student examining an imperfect flower would typically find  reproductive structures, incomplete floral parts, or observe the plant to be monoecious or dioecious.

A biology student would notice any or all of the following traits in an imperfect flower:
Reproductive organs: Imperfect flowers are ones that lack neither stamens or carpels (male and female reproductive components). They only have one sort of reproductive structure. Incomplete floral components: Imperfect flowers could have floral parts that are missing. They may be devoid of petals or sepals, or they may have reduced or changed versions of these features.Plants that are monoecious or dioecious: Imperfect blooms are prevalent in plants that are monoecious or dioecious.Corn (which has separate male nad female flowers on the tassel nad female blossoms on the ear), squash (which has separate male & female flowers on the same plant), as willows (which have separate male nad female catkins) are examples of plants with imperfect blooms.

To learn more about structures

https://brainly.com/question/29750391

#SPJ11

#4

c is right above the earth's crest so it absorbs most earth .so highest temperature

#5

a is at top hence least heat absorbs so least temperature

#6

Answer:

surface area of a solid reactant.

concentration or pressure of a reactant.

temperature.

nature of the reactants.

presence/absence of a catalyst.

Answer:

A. Florine has a stronger pull than Magnesium

Explanation:

Electronegativity refers to the tendency in which an tom would attract electrons to itself.

Below each element in the periodic table is their electronegativity value. Florine has the highest electronegativity value of 4.0.

Going through options;

A. Florine has a stronger pull than Magnesium

Florine = 4.0

Magnesium = 1.2

This correct

B. Hydrogen has a stronger pull than Phosphorus

Hydrogen = 2.1

Phosphorus = 2.1

This is wrong

C. Potassium has a stronger pull than Sodium

Potassium = 0.8

Sodium = 0.9

This is wrong

D. Iron has a stronger pull than Bromine

Iron = 1.8

Bromine = 2.8

This is wrong

Answer:

O2 + 4e- --> O2 4-

Cu --> 2e- + Cu2+

Explanation:

Oxygen is reduced and copper is oxidized.

We can thus write the half reactions:

O2 + 4e- --> O2 4-

Cu --> 2e- + Cu2+