Multiple Choice
The balanced equation for nitrogen fixing is given below. What do the numbers in front of the molecules (the coefficients) mean? N2 + 3 H2 → 2 NH3
A) Three moles of H2 react with one mole of N2 to give two moles of NH3.
B) Three grams of H2 react with one gram of N2 to give two grams of NH3.
C) Three atoms of H react with one atom of N to give two molecules of NH3.
D) Two grams of N react with six grams of H to give eight grams of NH3.
E) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q2: An endothermic reaction absorbs heat when it
Q12: Which of the following statements describes how
Q13: Which of the following diagrams illustrates an
Q14: Which of the following statements describes reaction
Q15: Which statement best describes why we use
Q16: Which of the following statements best describe
Q18: Hydrogen fuel cells are a promising alternative
Q19: An overview of metabolism is shown in
Q21: Which of the following values is Avogadro's
Q22: According to the balanced chemical equation below,