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murzikaleks [220]
4 years ago
11

What is the mass of a 2.00 cm3 piece of balsa wood having a density of 0.160 g/cm3???

Chemistry
1 answer:
bazaltina [42]4 years ago
8 0

mass = Density x Volume

2.00 x 0.160 = 0.32 grams

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What are the elements so i can help?????
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Measuring levels of pollutants, such as nitrogen oxide in the atmosphere, is an example of chemistry research that ____.
Paraphin [41]

Answer:

aims to benefit the environment is the correct answer.

Explanation:

The goal of Aims to the benefits environment is to provide everyone information, values, and skills which are required to preserve and protect the environment.

Aims to benefit the environment includes

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What material could be used for a cup to keep coffee hot
nata0808 [166]

Answer:

Your answer could be: ceramic or stainless steel.

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Glass, ceramic, and stainless steel are all good insulating materials for keeping coffee hot. Although, if you don't want to possibly burn yourself, don't use glass.

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4 0
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13 points for this, you have to show how you did it because i need to figuer out how you did it.
andrey2020 [161]
CO + 2 H2 → CH3OH 
<span> find # of mols in each reactants, </span>

<span>152500 g CO x 1 mol CO / 28.01g CO = 5444 mol CO </span>

<span>24500 g H2 x 1 mol H2 / 2.02 g H2 = 12129 mol H2 </span>

<span>mol ratio between CO and H2 is 1:2, which means each mol of production of CH3OH need 1 mol of CO and 2 mol of H. </span>

<span>H2 is enough to produce 6064 mols of CH3OH but there are only 5444mol of CO. </span>

<span>5444 mol CH3OH x molar mass of CH3OH / 1 mol CH3OH </span>

<span>= 174371 g = 174.4 kg</span>
4 0
3 years ago
In a chemical reaction, it is determined that the equilibrium constant is 0.213. Which of the following is a correct statement r
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Answer: <span>There are more reactants than products at equilibrium.

Explanation:

</span>1) The equilibrium constant is defined as the ratio of the constant of reaction for the forward reaction divided by the constant of reaction for the reverse reaction.

2) If the constant of reacton for the forward reaction is greater than the constant of reaction for the reverse reaction, then the equilbrium constant is greater than 1 and the equilibrium is reached at a point where there are more products than reactants.

This is not the case given that the equilibrium constant is less than 1.

3) If the constant of reaction for the forward reaction is less than the constant of reaction for the reverse reaction, then the equilibrium constant is less than 1 and at equilibrium there will be more reactants than products.


This is the case given, since the equilibrium constant is 0.123.

Therefore, the answer is: there are more reactants than products at equilibrium.

6 0
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