Stoichiometry Diagram

The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction; is based on the law of conservation of mass

• percent yield

• stoichiometry

• mole ratio

• limiting reactant

Tags

NGSS.HS-PS1-7

The coefficients in a chemical equation represent the

• number of atoms in each compound in a reaction

• relative numbers of moles of reactants and products

• masses, in grams, of all reactants and products

• number of valence electrons involved in the reaction

Tags

NGSS.MS-PS1-5

Mole ratios are obtained from the

• balanced chemical equation

• periodic table

• molar mass

Using the diagram, determine the limiting reactant, the product formed is water.

• oxygen

• hydrogen

• none of the reactant are limiting

• both hydrogen and oxygen

Tags

NGSS.HS-PS1-7

In a stoichiometry diagram, what does the balanced chemical equation primarily represent?

• The number of atoms in each molecule

• The relative number of moles of reactants and products

• The total mass of the reactants

• The energy change in the reaction

Tags

NGSS.HS-PS1-7

Which of the following is essential for creating a stoichiometry diagram?

• Molar mass of reactants

• Balanced chemical equation

• Volume of reactants

• Temperature of the reaction

Tags

NGSS.HS-PS1-7

In a stoichiometry diagram, what is the purpose of using mole ratios?

• To determine the limiting reactant

• To calculate the percent yield

• To balance the chemical equation

• To find the reaction rate

What information is needed to calculate the theoretical yield in a stoichiometry diagram?

• Actual yield and percent yield

• Balanced equation and limiting reactant

• Molar mass and temperature

• Volume and pressure

How does a stoichiometry diagram help in understanding chemical reactions?

• By showing the energy changes

• By illustrating the quantitative relationships between reactants and products

• By displaying the color changes

• By indicating the reaction time

Tags

NGSS.HS-PS1-7

In a stoichiometry diagram, what does the limiting reactant determine?

• The maximum amount of product formed

• The speed of the reaction

• The color of the product

• The temperature of the reaction