How many protons, neutrons, and electrons does an atom of Carbon-13 contain? Carbon has an atomic number of 6.
A) 6 protons, 6 electrons, and 13 neutrons
B) 6 protons, 7 electrons, and 7 neutrons
C) 6 protons, 6 electrons, and 7 neutrons
D) 13 protons, 6 electrons, and 6 neutrons

Answer:

No

Explanation:

Answer: I don’t know ask my teacher

Explanation:

The sample made of the substance with a higher specific heat capacity would be object B.

If two objects of the same mass and same initial temperature are given the same amount of heat, but one of them (Object A) experiences a greater temperature increase than the other (Object B), then Object A must have a lower specific heat capacity than Object B.

The specific heat capacity is a measure of how much heat energy is required to raise the temperature of a substance by 1 degree Celsius. A substance with a higher specific heat capacity requires more heat energy to raise its temperature by the same amount compared to a substance with a lower specific heat capacity.

In this case, since both objects received the same amount of heat energy but Object A experienced a greater temperature increase than Object B, we can conclude that Object A must have a lower specific heat capacity than Object B.

Therefore, the sample that is made of the substance with the higher specific heat capacity must be Object B.

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There is no answer, science is about empirical knowledge, technology is the sum of techniques, skills, methods, and processes. I do not believe that you will find a answer for that.

Answer: Chemical Change

Explanation:

A chemical change is a change in which a chemical substance is transformed into one or more different types of substances. Chemical changes happen through the process of chemical reactions resulting in substances with different properties.

Chemical changes are irreversible and also known as permanent changes in which a completely new substance is formed.

Answer:

A

Explanation:

because the glass contain the ice cubes

Answer:

the ans is in the picture with the steps  

(hope it helps can i plz have brainlist :D hehe)

Explanation:

The concept Boyles law is used here to determine the final pressure of the gas. Boyle's law was put forward by the Anglo-Irish chemist Robert Boyle in the year 1662. The final pressure of the gas is  7.66 atm.

At constant temperature, the volume of a given mass of gas is inversely proportional to its pressure. It can also be explained as at constant temperature, the product of pressure and volume of a given mass of gas is constant.

A straight line graph is obtained when pressure is plotted against the inverse of the volume.

Mathematically the law can be expressed as:

V∝ 1/P

PV = k (Constant)

Here 'V' is the volume and 'P' is the pressure of the gas.

For two different gases, the equation is given as:

P₁V₁ = P₂V₂

P₂ = P₁V₁ / V₂

1 torr = 0.00131 atm

P₁ = 0.023 atm

0.023 × 50.00  / 0.1500 = 7.66 atm

Thus the final pressure is 7.66 atm.

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Answer:

1 mole of any material contains 6.023×1023 elementary particles. Hence, by ratio and proportion, 5.61mol of diatomic hydrogen gas contains 5.61×6.023×1023 hydrogen molecules =3.3789×1024 H2 molecules.

Explanation:

C/ If Fe is greater than Fg, the negatively charged oil droplet will move freely toward the negatively charged plate.

In the Millikan oil droplet experiment, the negatively charged oil droplets are subjected to an electric field created by the charged plates. The electric force (Fe) acts on the oil droplet in a direction opposite to the gravitational force (Fg). When Fe is greater than Fg, the electric force overcomes the gravitational force, causing the negatively charged oil droplet to experience an upward force. As a result, the oil droplet moves freely upward toward the negatively charged plate.

Option B is incorrect because if Fe is equal to Fg, the forces balance each other, resulting in a stationary droplet. However, the question states that Fe is increased until it is greater than Fg, implying that the droplet is no longer stationary but moves in response to the electric force.

Therefore, option C is the correct answer, as it describes the effect of an electric field on the motion of a negatively charged oil droplet in the Millikan oil droplet experiment.

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Guidelines for accidental contact is the section in which each type of information can be found on a safety data sheet.

The safety data sheet (SDS) contains details about each chemical's characteristics, potential physical, mental, and environmental health risks, counter measures, and safety instructions for handling, storing, and transporting the chemical.

Guidelines for accidental contact: First aid measures; chemical name; identification of potential hazards; compatibility; handling; PPE; and exposure controls. Hazards and suggestions for chemicals are:

Chemical hazards are various chemical chemicals that can be harmful to human health. The First-Aid Measures are a set of suggestions on how to lessen the consequences brought on by unintentional exposure to a certain chemical threat. Personal protection equipment (PPE) is a category of specially made equipment that shields an employer from workplace safety threats.

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The complete question is

Identify the section in which each type of information can be found on a Safety Data Sheet.

recommendations in case of accidental contact with the chemical Choose...

chemical name and formula Choose...

possible dangers and health effects Choose...

incompatibility or reactivity with other chemicals Choose...

recommended personal protective equipment (PPE) Choose...

To solve this problem, let's use the definition for molarity:

Replacing the values of the problem:

Now, to find the mass, we multiply by the molecular weight of NaCl. (Which is about 58.44g/mol)

The answer is approximately 22.2g of NaCl

To estimate the volume of a drop of water, you can use a piece of lab equipment called a micropipette.

A micropipette is a precision instrument that is used to measure and transfer small volumes of liquid. It works by suctioning up a known volume of liquid and then dispensing it into a test tube or other vessel. The micropipette is accurate to within 0.1-1% of the total volume, making it ideal for measuring small volumes such as drops of water.

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Answer: Larger molecules have stronger London forces.

Explanation:

Pentane therefore has a stronger force than butane.

6.6ml will be the new volume if the pressure increases to 4 atm and the temperature are lowered to 200 K.

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

Given data:

\(V_1=20 ml\)

\(T_1=3\)

\(P_1=2 atm\)

\(T_2=200 K\)

\(P_2=4 atm\)

\(V_2=?\)

Using equation:

\(V_2 =\) \(\frac{P_1 X V_1 XT_2}{P_2 X T_1}\)

\(V_2 =\)\(\frac{2 atm X 20 ml X200 K}{4 atm X 300 K}\)

\(V_2 = 6.6 ml\)

Hence, 6.6ml will be the new volume if the pressure increases to 4 atm and the temperature are lowered to 200 K.

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the groundwater system, the temperature of the water may be lower than that of the other system, but the total thermal energy (i.e., the sum of the kinetic energy of all the water molecules) can still be higher due to the larger volume of water being used

The temperature of a substance is a measure of the average kinetic energy of its molecules, and it does not depend on the number of molecules. Therefore, if two objects have the same temperature, they have the same average kinetic energy per molecule, regardless of the number of molecules.

However, the actual amount of heat transferred to the school depends on the temperature difference between the water and the building, as well as the rate of flow of the water.

It is important to note that the amount of energy needed to heat a space also depends on the thermal insulation and other factors, such as the air temperature, humidity, and solar radiation. Therefore, it is not accurate to say that the groundwater system will necessarily heat the school more than the other system, based solely on the amount of water being used.

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For each combination, we can determine whether it can be a buffer or not: Weak acid and its conjugate base, Weak base and its conjugate acid can be buffer, Strong acid and strong base, Weak acid and strong base, Weak base and strong acid can not be a buffer.

Weak acid and its conjugate base: This combination can be a buffer, as it contains a weak acid and its corresponding conjugate base. When a strong acid is added to the solution, the conjugate base will react with the acid to form the weak acid, thus minimizing the change in pH.

Weak base and its conjugate acid: This combination can also be a buffer, as it contains a weak base and its corresponding conjugate acid. When a strong base is added to the solution, the conjugate acid will react with the base to form the weak base, minimizing the change in pH.

Strong acid and strong base: This combination cannot be a buffer, as it does not contain a weak acid or a weak base. When a strong acid or strong base is added to the solution, it will completely ionize and cause a large change in pH.

Weak acid and strong base: This combination cannot be a buffer, as the weak acid will be completely consumed by the strong base, resulting in the formation of the conjugate base and a large change in pH.

Weak base and strong acid: This combination also cannot be a buffer, as the weak base will be completely consumed by the strong acid, resulting in the formation of the conjugate acid and a large change in pH.

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Answer: in order, cellular respiration, carbon dioxide, agricultural, methane, digestion, volcanic activity, eruption

Explanation:

its hard to explain why these things are thing you will have to memorize at first and then as you get later into science, you will learn about chlorophyll and mitochondria, and all sorts of fun things!

The molar solubility of mercury (II) bromide (HgBr2) is 7.00 × 10^-7 M. This is the long answer to the problem.

To perform calculations using Ksp for the given equilibrium HgBr2(s)  ↔ Hg2+(aq) + 2Br-(aq) and find the molar solubility of mercury (II) bromide (HgBr2) we have to use the solubility product expression.Ksp for HgBr2 is 6.2 × 10^-20Ksp = [Hg2+][Br-]^2 Since the initial concentration of HgBr2 is given as s, and after dissociation, the concentration of Hg2+ becomes s, while the concentration of Br- becomes 2s.[Hg2+] = s M and [Br-] = 2s MThus,Ksp = [Hg2+][Br-]^2= s(2s)^2= 4s^3= 6.2 × 10^-20Molar solubility of HgBr2 is given as s, therefore;s = (6.2 × 10^-20/4)1/3s = 7.00 × 10^-7 M

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Answer:

Unknown 4

Explanation:

This is true. The Hadean eon was the earliest eon of Earth's history, and it lasted from about 4.6 billion to 4 billion years ago. During this time, Earth was still very hot and molten, and the outermost crust was constantly being recycled.

This meant that the outermost crust was relatively young and had not had time to accumulate as much iron as it has today. Today, the outermost crust of Earth is about 40% iron. However, during the Hadean, the outermost crust may have been as much as 70% iron. This is because the iron was not yet as well-mixed with the other elements in the crust, and it was more likely to be found in the outermost layers.

As Earth cooled and the crust solidified, the iron began to mix more evenly, and the outermost crust became less iron-rich. However, the Hadean crust was still significantly more iron-rich than the crust is today. Banded iron formations (BIFs) are sedimentary rocks that are rich in iron. BIFs are thought to have formed during the Hadean eon, when the oceans were more oxygen-poor than they are today. The lack of oxygen in the oceans allowed iron to precipitate out of solution and form BIFs.

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Answer:

not sure about it .I also need an answer

Answer:

jjjjajwhejwhswjiwiwvssvwvow9qiwgdvdbslw

Answer:

As trees grow, they help stop climate change by removing carbon dioxide from the air, storing carbon in the trees and soil, and releasing oxygen into the atmosphere. Trees provide many benefits to us, every day.

Answer:

Low pressure ; stormy

Explanation:

From the stoichiometry of the reaction, 1 mole of ammonia, is produced.

A chemical reaction involves the combination of two or more substances to yield products.

The chemical reaction is; Mg3N₂(s) + 6H₂O(1)→ 2NH3(aq) + 3Mg(OH)2(s)

Number of moles of water =  54.0 g/18 g/mol = 3 moles

Now;

6 moles of water produced 2 moles of ammonia

3 moles of water will produce 3 moles * 2 moles/6 moles

= 1 mole of ammonia

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Answer:

The area is important for climate science research because they can look at the glaciers and see over the years what is happening with them, are they multiplying or are they decreasing and if so at what rate.

Answer:

Melting glaciers are causing sea levels to rise. It’s important to study natural conditions in the Northern Patagonian Ice Field because the landscape there is dynamic and the effects of climate change can easily be seen. The retreat of the Nef Glacier and the disappearance of icebergs on the lake are evidence of rising temperatures and climate change.

Explanation:

The number of different uncharged (neutral) stable hydrogen atoms which one can build is two and the similarity is that they both have a single proton while the difference is that one has a neutron while the other has zero neutron.

This is referred to as the smallest particle of an element which can exist and has subatomic particles such as proton and neutron.

The different uncharged (neutral) stable hydrogen atoms which one can build include:

From this we can infer that they both have one proton and electron and one has no neutron while the other has just one.

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The pH of a 0.150 M piperidine solution (C5H10NH) with a Kb of 1.3x10^-3 is 11.72. This indicates that the solution is basic.

To calculate the pH of a 0.150 M piperidine (C5H10NH) solution with Kb = 1.3 x 10^-3, we'll first determine the pOH and then find the pH. Piperidine is a weak base and will undergo an equilibrium reaction with water:
C5H10NH + H2O ↔ C5H10NH2+ + OH-
We can use the Kb expression:
Kb = [C5H10NH2+][OH-] / [C5H10NH]
Since the initial concentration of piperidine is 0.150 M, we'll assume x mol/L of it reacts to form C5H10NH2+ and OH- ions. The equilibrium concentrations will be:
[C5H10NH] = 0.150 - x
[C5H10NH2+] = x
[OH-] = x
Now, substitute these values into the Kb expression:
1.3 x 10^-3 = (x)(x) / (0.150 - x)
Solve for x to find the concentration of OH- ions:
x ≈ 0.0053 M
Now, calculate the pOH:
pOH = -log10[OH-] = -log10(0.0053) ≈ 2.28
Finally, find the pH using the relationship:
pH + pOH = 14
pH = 14 - 2.28 ≈ 11.72
So, the pH of the 0.150 M piperidine solution is approximately 11.72.

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Cranberry juice has more H ions in it as compared to the grape juice. Seven is the neutral pH. An increase in pH above 7 indicates an increase in alkalinity, whereas a fall in pH below 7 indicates an increase in acidity (hydrogen ions) (hydroxyl ions).

The concentration of hydrogen ions, or [H +], is represented by the pH scale, which is a logarithmic scale. In a logarithmic scale, such as the pH scale, a pH shift of 1 equates to a ten-fold change in the concentration of hydrogen ions. A solution with a pH of 5 contains 100 times more hydrogen ions than one with a pH of 7. A pH of 4 has a 1000-fold hydrogen ion concentration, while a pH of 3 has a 10,000-fold concentration.

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Answer:

density=mass/volume

Explanation:

density is defined as mass per unit volume.