SAT Subject Test in Chemistry

Practice Questions

SAT Subject Test in Chemistry › SAT Subject Test in Chemistry

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How many nitrate ions are in one mole of $Ca(NO_{3})_{2}$ ?

How many hydrogen atoms are in one mole of $(NH_{4})_{2}S$ ?

When the equation for the reaction shown below is balanced with the lowest whole-number coefficients, what is the sum of the coefficients of the reactants?

___ $C_{4}H_{10} +$ ___ $O_{2}$ $\rightarrow$ ___ $H_{2}O +$ ___ $CO_{2}$

When the equation for the reaction shown below is balanced with the lowest whole-number coefficients, what is the sum of the coefficients of the reactants?

___ $C_{4}H_{10} +$ ___ $O_{2}$ $\rightarrow$ ___ $H_{2}O +$ ___ $CO_{2}$

When the equation for the reaction shown below is balanced with the lowest whole-number coefficients, what is the sum of the coefficients of the reactants?

___ $C_{4}H_{10} +$ ___ $O_{2}$ $\rightarrow$ ___ $H_{2}O +$ ___ $CO_{2}$

Octane, $C_{8}H_{18}$ , is an important of component of gasoline, which can be burned as fuel in cars. The following is an unbalanced equation for the combustion of octane.

If 114 g of octane are burned in the complete combustion reaction shown below, how many grams of water will be produced?

___ $C_{8}H_{18} +$ ___ $O_{2} \rightarrow$ ___ $CO_{2}$ ___ $H_{2}O$

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