GuideFoot - Learn Together, Grow Smarter. Logo

In Chemistry / High School | 2014-04-14

What volume does 8.5 g of NH₃ occupy at STP?

A. 2.81 L
B. 5.61 L
C. 11.21 L
D. 22.41 L
E. 44.81 L

Asked by Creola997

Answer (1)

First, convert grams to moles by dividing 8.5 by the molar mass of NH₃ (N=14,H=1) 14+1+1+1=17 8.5/17=.5 moles NH₃ Multiply .5 by the conversion factor of moles to L (22.4) .5*22.4=11.2 L NH₃ 11.2 is just 11.21 rounded down, so your answer is C) 11.21 L

Answered by KDR | 2024-06-10

Related Questions in Chemistry

📝 Answered - An organic chemist measures the temperature [tex]$T$[/tex] of a solution in a reaction flask. Here is the result: [tex]$T=32.394^{\circ} C$[/tex] Convert [tex]$T$[/tex] to SI units. Round your answer to 6 significant figures.

📝 Answered - Fill in the gaps to balance the equation. Use the smallest set of whole numbers to balance the equation and include coefficients of "1" when appropriate. [tex]$\square$ $C _6 H _{12} O _6+$ $\square$ $O _2 \rightarrow$ $\square$ $CO _2+$ $\square$ $H _2 O$[/tex] Complete the table to determine how many atoms of each element are present in the reactants and products. | Element | Reactant | Products | | :------ | :------- | :------- | | C | | | | H | | | | O | | |

📝 Answered - Which of these changes is an example of a chemical change? A. sodium making an explosion when added to water B. solid CO₂ turning into gaseous CO₂ C. water droplets forming outside a glass on a hot day D. evaporation of water from a pan

📝 Answered - Fill in the gaps to balance the equation. Use the smallest set of whole numbers to balance the equation and include coefficients of "1" when appropriate. [tex]$\square$ LiOH + $\square$ ZnCl _2 \rightarrow $\square$ LiCl + $\square$ Zn ( OH )_2[/tex] Complete the table to determine how many atoms of each element are present in the reactants and products. | Element | Reactant | Products | |---|---|---| | Li | $\square$ | $\square$ | | O | $\square$ | $\square$ | | H | $\square$ | $\square$ | | Zn | $\square$ | $\square$ | | Cl | $\square$ | $\square$ |

📝 Answered - Why study chemistry? a) to be better informed about the world b) to be better able to make informed decisions c) to learn a technique for identifying and solving problems d) all of the above