General Topics

Practice Questions

College Chemistry › General Topics

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1

What is the mass in of a gas with a volume of and a density of $0.76: \frac{g}{mL}$ ?

2

What is the mass in of a gas with a volume of and a density of $0.76: \frac{g}{mL}$ ?

3

What type of reaction is shown?

$Ca(s) + F_2(g)\rightarrow CaF_2 (s)$

4

Consider the unbalanced equation for the combustion of pentane:

$\text{C}_5\text{H}_{12}(g)+\text{O}_2(g)\rightarrow \text{CO}_2(g)+\text{H}_2\text{O}(g)$

How many grams of $\text{O}_2$ is required to react with exactly of $\text{C}_5\text{H}_{12}$ .

5

Consider the following unbalanced reaction:

$\text{K}_2\text{SO}_4(aq)+\text{BaCl}_2(aq)\rightarrow \text{KCl}(aq)+\text{BaSO}_4(s)$

How many grams of $\text{BaSO}_4$ can be produced if $15.0\text{mL}$ of $1.20\text{M}\text{ K}_2\text{SO}_4$ is mixed with $25.0\text{mL}$ of $0.75\text{M BaCl}_2$ ?

6

Which type of reaction is shown?

$AgNO_{3} (aq) + NaCl (aq) \rightarrow AgCl (s) + NaNO_{3}(aq)$

7

What type of reaction is shown?

$Ca(s) + F_2(g)\rightarrow CaF_2 (s)$

8

Which type of reaction is shown?

$AgNO_{3} (aq) + NaCl (aq) \rightarrow AgCl (s) + NaNO_{3}(aq)$

9

Consider the following unbalanced reaction:

$\text{K}_2\text{SO}_4(aq)+\text{BaCl}_2(aq)\rightarrow \text{KCl}(aq)+\text{BaSO}_4(s)$

How many grams of $\text{BaSO}_4$ can be produced if $15.0\text{mL}$ of $1.20\text{M}\text{ K}_2\text{SO}_4$ is mixed with $25.0\text{mL}$ of $0.75\text{M BaCl}_2$ ?

10

Consider the unbalanced equation for the combustion of pentane:

$\text{C}_5\text{H}_{12}(g)+\text{O}_2(g)\rightarrow \text{CO}_2(g)+\text{H}_2\text{O}(g)$

How many grams of $\text{O}_2$ is required to react with exactly of $\text{C}_5\text{H}_{12}$ .

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