if all of this coal is burned how much co2 will be emitted into the atmosphere? how much will this increase the co2 content of the atmoshphere in ppm?

The table has been attached below, describing if the given compounds sublime at STP.

Sublimation is a physical process in which a substance transitions directly from a solid to a gas without passing through the liquid phase. This occurs when the vapor pressure of the solid exceeds the atmospheric pressure. The opposite process, when a gas transitions directly to a solid, is called deposition. Sublimation is important in many areas of science and technology, including the purification of substances, the production of freeze-dried foods, and the creation of computer chips. It is also responsible for some unusual natural phenomena, such as the formation of snowflakes and the slow erosion of ice in cold, dry environments.

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Here are some general steps you can follow to write a lab report:

Understand the purpose of the lab report: Before you begin writing, make sure you understand the purpose of the lab report. What are the objectives of the experiment? What are the research questions being investigated? What hypothesis is being tested?

Gather your data: Make sure you have all the data you need to write your report. This includes raw data, observations, and any notes you took during the experiment. Organize your data in a clear and logical manner so that you can easily refer to it when writing your report.

Write an outline: Create an outline for your report that includes the main sections you need to cover. These typically include an introduction, methods, results, discussion, and conclusion.

Write the introduction: The introduction should provide an overview of the experiment and explain its significance. You should also provide some background information to help the reader understand the context of the experiment.

Write the methods: In the methods section, describe the experimental design, materials used, and procedures followed. Be sure to include enough detail so that someone else could repeat the experiment.

Write the results: In the results section, present your data in a clear and organized manner. Use tables, graphs, and figures to help illustrate your findings. Make sure to include any statistical analyses you performed.

Write the discussion: In the discussion section, interpret your results and explain what they mean. Discuss any patterns or trends you observed and explain how they relate to the research question. Compare your results to previous research in the field, and discuss any limitations or potential sources of error.

Write the conclusion: The conclusion should summarize the main findings of the experiment and explain their significance. You should also discuss any future directions for research in the field.

Proofread and revise: Once you have completed your first draft, proofread your report carefully to check for errors and inconsistencies. Revise your report as necessary to make sure it is clear, concise, and well-organized.

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Answer:

640 grams

Explanation:

look up Solubility table in wikipedia for potassium nitrate (KNO3)

32 grams of potassium nitrate (KNO3) water solubility at 20 degrees celsius (room temperature) can be dissolved in 100 milliliters (0.1 L) of water.

2 liters = 2000 milliliters

32 grams / 100 milliliters = x grams / 2000 milliliters

cross-multiply

100 * x = 32 * 2000

x = (32 * 2000) / 100

x ≈ 640 grams

chatgpt

The molecular mass of a unknown gas would be 36g/mol.

According to Graham's law of Effusion , we can find the molecular mass of a unknown gas. Rate of effusion of gas 1 / rate of effusion of gas 2 = square root of molecular weight of helium gas / molecular weight of unknown gas.

                                  (1/3) / 1 = (square root of 4g/mol)/ MW of x

                                          =   36 gm/mol

Graham's Law states that the rate of effusion of a gas is inversely proportional to square root of the density of the gas. Since equal volumes of gas at the same temperature and pressure contain equal number of gas molecules, the rate of effusion is also inversely propotional to the square root of molecular weight of the gas. The gas with the lowest molecular weight effuses the fastest and vice versa.

Law deals with the rate at which a gas will escape from a pinhole into a vaccum, which is different from Graham's law of diffusion.

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The duck is experiencing a net force of 5 newtons in the forward direction (20N forward force - 15N resistive force). This net force causes the duck to accelerate in the forward direction, increasing its velocity. However, the magnitude of this acceleration depends on the mass of the duck and the resulting acceleration can be calculated using Newton's Second Law (F=ma).

If the mass of the duck is known, the resulting acceleration can be calculated and used to predict how quickly the duck will increase its velocity.
The diagram depicts a duck swimming against the flow of a stream. The duck exerts force on the water, resulting in the water pushing the duck forward with 20 newtons of force. Simultaneously, the water's resistive force acts against the duck with 15 newtons. This scenario demonstrates the interaction of forces, specifically the forward force exerted by the duck and the resistive force exerted by the water. In this case, the net force acting on the duck is 5 newtons in the forward direction (20 newtons forward - 15 newtons resistive).

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A pressure saucepan, also known as a pressure cooker, reduces cooking time by increasing atmospheric pressure inside the cooking vessel. This is achieved by sealing the pot tightly and trapping steam generated from boiling liquids and food. The increased pressure raises the boiling point of water, allowing food to cook at higher temperatures than normal. Options 1 and 3 are correct.

Option 1: Increasing atmospheric pressure is correct because the sealed pressure cooker traps steam, which increases the pressure inside the pot. The increased pressure raises the boiling point of water, resulting in faster cooking times.

Option 2: Decreasing atmospheric pressure is incorrect because pressure cookers work by increasing pressure, not decreasing it.

Option 3: Increasing vapor pressure is correct because as the pressure inside the pressure cooker increases, the vapor pressure of water also increases. This higher vapor pressure enables the food to cook more rapidly.

Option 4: Decreasing vapor pressure is incorrect because the pressure cooker actually increases the vapor pressure by raising the overall pressure inside the pot.

Option 5: Ionizing the added salt is unrelated to the operation of a pressure cooker and does not contribute to the reduction in cooking time.

Hence, a pressure saucepan reduces cooking time by increasing the atmospheric pressure and vapor pressure inside the pot.

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Answer:

Antarctica

Explanation:

Shiny surfaces and white colours are good radiators of heat and light, hence antarctica have these features will reflect more solar radiation

A redox reaction is a chemical reaction in which one or more of the reacting species undergoes oxidation and one or more undergoes reduction. An oxidizing agent is an element or compound that oxidizes another substance, while a reducing agent is an element or compound that reduces another substance.

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Answer:

salad

Explanation:

Explanation:

The value of equilibrium constant doesn't change when a catalyst is added.

Equilibrium constant depends on Concentration of reactants , Pressure and Temperature.

A suitable catalyst can improve the reaction rate. A catalyst is a material that increases the rate of a chemical reaction, but in the end, it remains unchanged chemically. It offers a lower energy alternative reaction path.

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Answer:

Elements lose electrons.

Explanation:

Answer:

f. nanogram

b. microgram

d. milligram

a. centigram

c. kilogram

e. megagram

Explanation:

f. nanogram = 10^-9

b. microgram = 10^-6

d. milligram = 10^-3

a. centigram = 10^-2

c. kilogram = 10^3

e. megagram = 10^6

The order of the units from smallest to largest.

f. nanogram

b. microgram

d. milligram

a. centigram

c. kilogram

SI units are those units that are used to measure different measurements. The SI units mean the Internation system of measurement.

A nanogram is the smallest unit of measurement. It is used to measure a very minuter amount of an object. Its value is 10⁻⁹. After this, there is a microgram, which is sued to measure micro things. Its value is 10⁻₆

Milligram, then centigram, and then there is the kilogram. The kilogram is the largest unit of measurement in the SI unit. These units are used to measure the mass of a substance.

Thus, the correct order is

f. nanogram

b. microgram

d. milligram

a. centigram

c. kilogram

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The milligrams of the gas are formed if 10.0ml of 3.00% hydrogen peroxide solution decomposes, The density of the solution is 1.00 g/mL is 300 mg.

The equation is as follows :

2H₂O₂(l)   ---->   2H₂O(l)   +   O₂(g)

The density of the solution = 1 g/mL

The volume of the water = 100 mL

The volume of the H₂O₂ = 10 mL

The mass of the hydrogen peroxide = 3 g

2 moles of the hydrogen peroxide produces the 1 mole of the oxygen gas.

The mass of the O₂ =   (10 mL × 3 g of H₂O₂ ) / 100 mL

                                = 0.3 g = 300 mg

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Answer:

Melated quickly into a silver ball

Answer:

C. melated quickly to a silvery ball

Explanation:

For a transformation at -78°C, the best reagent choice is DIBAL-H and \(H_2O\). The other reagents (\(LiAlH_4\) diethylether, ethyl acetate, \(Li^{+}[AlH(OtBu)_3]^{-}\), and \(NaBH_4\)) are not appropriate.

The best reagents among the given options are:
1. DIBAL-H (Diisobutylaluminum hydride)
This is because DIBAL-H is a selective reducing agent that is often used at low temperatures (-78°C) to achieve partial reduction or specific functional group transformations. It allows for controlled reactions and has a wide range of applications in organic chemistry.
The other reagents listed (\(LiAlH_4, Li^{+}[AlH(OtBu)_3]^{-}, NaBH_4\)) may not be as suitable for the transformation at -78°C, as they have different reactivity and selectivity profiles. While they are all reducing agents, their specific uses and reaction conditions can vary.

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For a transformation at -78°C, the best reagent choice is DIBAL-H and \(H_2O\). The other reagents (\(LiAlH_4\) diethylether, ethyl acetate, \(Li^{+}[AlH(OtBu)_3]^{-}\), and \(NaBH_4\)) are not appropriate.

The best reagents among the given options are:
1. DIBAL-H (Diisobutylaluminum hydride)
This is because DIBAL-H is a selective reducing agent that is often used at low temperatures (-78°C) to achieve partial reduction or specific functional group transformations. It allows for controlled reactions and has a wide range of applications in organic chemistry.
The other reagents listed (\(LiAlH_4, Li^{+}[AlH(OtBu)_3]^{-}, NaBH_4\)) may not be as suitable for the transformation at -78°C, as they have different reactivity and selectivity profiles. While they are all reducing agents, their specific uses and reaction conditions can vary.

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Answer:

who's asking?

Explanation:

The final electron acceptor in aerobic respiration is oxygen (O2).The electron transport chain (ETC) in cellular respiration relies on a final electron acceptor to help oxygen get reduced into water. This is why oxygen is considered the final electron acceptor in cellular respiration.

During cellular respiration, glucose is broken down into pyruvate. Pyruvate is then transformed into acetyl CoA and enters the citric acid cycle, where it is oxidized and generates ATP, NADH, and FADH2. The final stage of aerobic respiration involves the electron transport chain, in which electrons from NADH and FADH2 are passed through a series of proteins and coenzymes in the inner mitochondrial membrane, ultimately reducing oxygen to form water.

This process is known as oxidative phosphorylation.In conclusion, the final electron acceptor in aerobic respiration is oxygen (O2), and carbon dioxide is generated in the link reaction (pyruvate oxidation) and the citric acid cycle.

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Picaridin is an organic compound that belongs to the class of carboxylic acid amides. Specifically, it is classified as an amide derivative of piperidine. Its chemical structure is 1-piperidinecarboxylic acid 2-(2-hydroxyethyl)-1-methylpropyl ester.

Organic compounds are compounds primarily composed of carbon atoms bonded with other elements such as hydrogen, oxygen, nitrogen, and more. Picaridin contains carbon, hydrogen, oxygen, and nitrogen atoms in its structure, making it an organic compound.

The presence of the carboxylic acid functional group (-COOH) and the amide functional group (-CONH-) in picaridin's structure classifies it as an amide. The piperidine moiety refers to a six-membered ring containing five carbon atoms and one nitrogen atom.

Picaridin is commonly used as an effective insect repellent, serving as an alternative to other insect repellents like DEET. It is known for its ability to repel a variety of biting insects, including mosquitoes, ticks, and flies. Its organic nature and repellent properties make picaridin a valuable compound for personal protection against insect bites in various outdoor activities and regions where insect-borne diseases are a concern

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Picaridin is an organic compound that belongs to the class of carboxylic acid amides. Specifically, it is classified as an amide derivative of piperidine. Its chemical structure is 1-piperidinecarboxylic acid 2-(2-hydroxyethyl)-1-methylpropyl ester.

Organic compounds are compounds primarily composed of carbon atoms bonded with other elements such as hydrogen, oxygen, nitrogen, and more. Picaridin contains carbon, hydrogen, oxygen, and nitrogen atoms in its structure, making it an organic compound.

The presence of the carboxylic acid functional group (-COOH) and the amide functional group (-CONH-) in picaridin's structure classifies it as an amide. The piperidine moiety refers to a six-membered ring containing five carbon atoms and one nitrogen atom.

Picaridin is commonly used as an effective insect repellent, serving as an alternative to other insect repellents like DEET. It is known for its ability to repel a variety of biting insects, including mosquitoes, ticks, and flies. Its organic nature and repellent properties make picaridin a valuable compound for personal protection against insect bites in various outdoor activities and regions where insect-borne diseases are a concern

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Answer:

As water freezes or evaporates, what happens to the salinity of the remaining ocean water? There is no change to salinity.

Explanation:

Answer:

Solution,

Reciprocal of 6/11=11/6

Now,

-1/5+11/6

=-1*6+11*5/30

=-6+55/30

=49/30

Hope it helps

Good luck on your assignment

Answer:

B. Prokaryotes do NOT have a nucleus.

Answer: the answer is the reaction in a cold pack

Explanation: since endothermic means the absorption of heat

Answer:

Contents are not capable of explaining hemodynamics to the

Explanation:

Angular

A condensation reaction is a type of chemical reaction that involves the joining together of two or more small molecules to form a larger molecule.

It is commonly referred to as a condensation reaction because it typically involves the release of a small molecule, such as water or alcohol, as a byproduct.

The term "condensation" is used to describe this process because it is analogous to the condensation of water vapor into liquid water, where smaller water molecules combine to form larger water droplets.

In a condensation reaction, two functional groups on different molecules react with each other, resulting in the formation of a covalent bond between them. This bond formation leads to the creation of a larger molecule, often referred to as a polymer.

The release of a small molecule as a byproduct is necessary for the reaction to occur, and it is commonly referred to as a "condensation product."

Condensation reactions play a crucial role in various biological processes, such as protein synthesis, DNA replication, and the formation of complex carbohydrates.

They are also widely utilized in organic synthesis to create a wide range of organic compounds, including polymers, pharmaceuticals, and natural products.

Overall, a condensation reaction is a chemical reaction that involves the combination of small molecules to form a larger one, accompanied by the release of a smaller molecule as a byproduct.

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Many compounds are soluble in methanol, but the solubility can depend on several factors such as molecular weight, polarity, and the presence of functional groups.

In general, polar compounds such as alcohols, carboxylic acids, and amines tend to dissolve in methanol due to its ability to form hydrogen bonds. Nonpolar compounds such as hydrocarbons and aromatic compounds are generally insoluble in methanol.

However, it is safe to say that if the compound in question is polar and contains functional groups that can form hydrogen bonds, then it is likely to be soluble in methanol.

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Answer:ddddddddddd

Explanation:rrrrrrrrrrrrrrrrrrrrrrrrr

Answer:

Saltiness

Explanation:

There is no step-by-step. It h us is what it is.

Answer: Li3N + 3 NH4NO3 → 3 LiNO3 + (NH4)3N

Explanation:

This is a type of double displacement reaction.

Here, on the reactant side, we have 3 Li, 1 N, 1 NH4, and 1 NO3.

On the product side, we have 1 Li, 1 N, 3 NH4, and 1 NO3.

To balance the two sides, we have to equal the number of atoms of Li and NO4. Thus, we get:

⇒ Li3N + 3 NH4NO3 → 3 LiNO3 + (NH4)3N