Presentation on theme: "Chapter 9 – Review Stoichiometry"— Presentation transcript:
1Chapter 9 – Review Stoichiometry Milbank High School
2Chapter 9 - ReviewThe calculation of quantities in chemical equations is called ____.What is conserved in the following reaction: H2(g) + Cl2(g) 2HCl(g)In every chemical reaction, what item(s) is/are conserved?
3Chapter 9 - ReviewWhat is true about the total number of reactants and the total number of products in the given equation: C5H12(l) + 8O2(g) 5CO2(g) + 6H2O(g)In a chemical equation, the mass of the products is equal to _____.
4Chapter 9 - ReviewHow many moles of Al are needed to react completely with 1.2 mol FeO?
5Chapter 9 - ReviewWhat are some reasons why actual yield is less than theoretical yield?The reagent present in the smallest amount is ___ the limiting reagent.For a given chemical reaction, the theoretical yield is ____ greater than the actual yield.
6Chapter 9 - ReviewWhen an equation is used to calculate the amount of product that will form, then the value obtained is called the _____.
7Chapter 9 - ReviewWhen two substances react to form products, the reactant which is used up is called the _____.What mass of CaO (lime) is produced from 1.5 x 103 kg of CaCO3? CaCO3(s) CaO(s) + CO2(g)
8Chapter 9 - ReviewIdentify the limiting reagent, and volume of CO2 formed when 11.0 L CS2 reacts with 18.0 L O2 by: CS2(g) + 3 O2(g) CO2(g) + 2SO2(g)
9Chapter 9 - ReviewHow many liters of NH3 are needed to react completely with 30.0 L of NO (at STP)? 4 NH3(g) + 6NO(g) 5N2(g) + 6H2O(g)The first step in most stoichiometry problems is to _____.