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Mama L [17]
3 years ago
5

If you are calculating the grams to mL ratio, you are trying to find the object’s…

Chemistry
1 answer:
Alex3 years ago
4 0

Answer:

Density

Explanation:

The ratio of mass to the volume of an object is called its density. Unit of mass is grams and that of volume is mL.

Density = mass/volume

\text{Density}=\dfrac{\text{grams}}{\text{mL}}\\\\=\text{grams/mL}

If you are calculating the grams to mL ratio, it means that we are trying to find the object's density.

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How many moles of Co2 are produced when 0.2 moles of sodium carbonate reacts with excess HCl
Pie
To determine the number of moles of carbon dioxide that is produced, we need to know the reaction of the process. For the reaction of HCl and sodium carbonate, the balanced chemical equation would be expressed as:

2HCl + Na2CO3 = 2NaCl + H2O + CO2

From the initial amount given of sodium carbonate and the relation of the substances from the balanced reaction, we calculate the moles of carbon dioxide as follows:

0.2 moles Na2Co3 ( 1 mol CO2 / 1 mol Na2Co3 ) = 0.2 moles CO2

Therefore, the amount in moles of carbon dioxide that is produced from 0.2 moles sodium carbonate would be 0.2 moles as well.
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3 years ago
B. It shifts the equilibrium toward the right, favoring product.
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Answer:

11) the difference in heat energies between products and reactants

12) enthalpy change

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Another name of heat of reaction is enthalpy of reaction. It is a state function since it depends on the initial and final states of the system.

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3 years ago
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Aluminum reacts with chlorine gas according to the following equation shown below. How many
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Explanation:

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Explanation:

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