Chemistry, 10.12.2021 18:50 Flamingmaster99
1. Using https://phet. colorado. edu/sims/hmtl/reactants-products-an d-leftovers/latest/reactants-produc ts-and-leftovers_en. html go to Molecules and select Make Ammonia. Simulate and describe how many molecules of ammonia (NH3) can be created when two molecules of nitrogen (N2) are combined With 4 molecules of hydrogen (H2)? Include a screenshot of the result of the investigation with your answer.
2. How many total hydrogen molecules are needed for reaction in #2, so that there are no N2 or H2 left overs- show a screenshot. What is the smallest ratio of nitrogen to hydrogen molecules would result in no left over reactants? Explain your answer.
3. If 165.0g of nitrogen is reacted with 210.0g of hydrogen, what is the theoretical yield of the reaction? What is the excess reactant? What is the limiting reactant? Show your work.
Answers: 3
Chemistry, 22.06.2019 00:40
1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /
Answers: 3
Chemistry, 22.06.2019 10:30
Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
Answers: 1
1. Using https://phet. colorado. edu/sims/hmtl/reactants-products-an d-leftovers/latest/reactants-pr...
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