Answered Essay: ooo Verizon LTE 6:59 PM 숱session.masteringchemistry.com C Learning Goal: To understand

ooo Verizon LTE 6:59 PM 숱session.masteringchemistry.com C Learning Goal: To understand how to use stoichiometry to convert between quantities of reactants and products in chemical equations Stoichlometry descrbes the quantitative relationships among the reactants and products of a balanced reaction by directly comparing mole ratios.Stoichiometry can be used to convert mass, number of moles, or number of particles between products and reactants, as shown in the flowchart displayed in the figure. To convert from a given quantity of one reactant or product to the quantity of another reactant or product First, convert the given quantity to moles. Use molar masses to convert masses to moles, and use Avogadros number (6.02 × 10 particles per mole) to convert number of particles to Next, convert moles of the given reactant or product to moles of the desired reactant or product using the coefficients of the balanced chemical equation. For example, in the chemical equation the coefficients tell us that 2 mol of H2 reacts with 1 mol of O2 to produce 2 mol of H20 molar masses to convert from moles to masses, and use Avogadros number to convert from moles to number of particles 2H2 O2+2H20 . Finally, convert moles of the desired reactant or product back to the desired units. Again, use Reaction of hydrogen and nitrogen to form ammonia Hydrogen gas, H2, reacts with nitrogen gas, N2, to form ammonia gas, NHs, according to the equation NOTE: Throughout this tutorial use molar masses expressed to five significant figures Part A 3H2(g) +N2(g)+2NHs(g) How many moles of NHj can be produced from 12.0 mol of H2 and excess N2? Express your answer numerically in moles. Hints mol NH Submit My Answers Give Up Part B How many grams of NHj can be produced from 4.52 mol of N2 and excess H Express your answer numerically in grams
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ooo Verizon LTE 6:59 PM 숱session.masteringchemistry.com C Learning Goal: To understand how to use stoichiometry to convert between quantities of reactants and products in chemical equations Stoichlometry descrbes the quantitative relationships among the reactants and products of a balanced reaction by directly comparing mole ratios.Stoichiometry can be used to convert mass, number of moles, or number of particles between products and reactants, as shown in the flowchart displayed in the figure. To convert from a given quantity of one reactant or product to the quantity of another reactant or product First, convert the given quantity to moles. Use molar masses to convert masses to moles, and use Avogadro’s number (6.02 × 10 particles per mole) to convert number of particles to Next, convert moles of the given reactant or product to moles of the desired reactant or product using the coefficients of the balanced chemical equation. For example, in the chemical equation the coefficients tell us that 2 mol of H2 reacts with 1 mol of O2 to produce 2 mol of H20 molar masses to convert from moles to masses, and use Avogadro’s number to convert from moles to number of particles 2H2 O2+2H20 . Finally, convert moles of the desired reactant or product back to the desired units. Again, use Reaction of hydrogen and nitrogen to form ammonia Hydrogen gas, H2, reacts with nitrogen gas, N2, to form ammonia gas, NHs, according to the equation NOTE: Throughout this tutorial use molar masses expressed to five significant figures Part A 3H2(g) +N2(g)+2NHs(g) How many moles of NHj can be produced from 12.0 mol of H2 and excess N2? Express your answer numerically in moles. Hints mol NH Submit My Answers Give Up Part B How many grams of NHj can be produced from 4.52 mol of N2 and excess H Express your answer numerically in grams

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