- Study guides, Revision notes & Summaries

stoichiometry - the calculations of quantities in a chemical reaction mole ratio - a conversion factor derived from the coefficients of a balanced chemical equation interpreted in terms of moles mass-mass calculations - a stoichiometric computation in which the mass of products is determined from the given mass of reactants mole - quantity of matter that contains 6.02 x 10^23 particles of that substance reactant - A chemical substance that is present at the start of a chemical reaction ...

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1 pages

Written in 2023/2024

Grade A+

Brainarium

stoichiometry - The study of quantitative relationships between the amounts of reactants used and products formed by chemical reaction; is based on the law of conservation of mass. mole ratio - Ratio between the numbers of moles of any two of the substances in a balanced chemical equation. unknown - a variable whose values are solutions of an equation coefficient - a whole number that appears in front of a formula in a chemical equation balanced equation - a chemical equation in which mass...

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2 pages

Written in 2023/2024

Grade A+

Brainarium

Write the ionic equation for HF(aq) + NaOH(aq) ---> NaF(aq) + H2O(l) ANSWER HF(aq) + Na+(aq) + OH¯(aq) ---> Na+(aq) + F¯(aq) + H2O(l) Write the net ionic equation for HF(aq) + NaOH(aq) ---> NaF(aq) + H2O(l) ANSWER HF(aq) + OH¯(aq) ---> F¯(aq) + H2O(l) 11.2 grams of sugar (C12 H22 O11) is dissolved in 250ml of water what is the concentration? ANSWER 0.131 mol/l Predict the products Al(s) + NaOH(aq) + H2O(l) ANSWER NaAlO2(aq) + H2(g) 123 mL of a 1.00 M s...

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1 pages

Written in 2024/2025

Grade A+

Ivuti

Exam Bank for Stoichiometry- Questions and Answers Latest Update 2025 (Already Passed) If 1 egg and 1/3 cup of oil are needed for each bag of brownie mix, how many bags of brownie mix do you need if you want to use up all 3 eggs and 1 cup of oil? - Answers 3 What is conserved in the reaction shown below? H2(g)+Cl2(g)-> 2HCl(2) - Answers mass, moles, molecules, and volume In a chemical reaction, the mass of the products - Answers is equal to the mass of the reactants In any chemical reacti...

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3 pages

Written in 2024/2025

Grade A+

TutorJosh

Stoichiometry Packaged Exams Latest Questions and Answers with complete solution

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9 items

Brainarium

Subscript - A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound Law of conservation of mass - mass is neither created nor destroyed during ordinary chemical reactions or physical changes Mole ratio - fraction formed from the coefficients in a balanced chemical equation. Avogadro's Number - number of representative particles in a mole, 6.02 X 10^23 Products - The elements or compounds produced by a chemical reaction. On the rig...

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2 pages

Written in 2023/2024

Grade A+

Brainarium

1. A student tried to solve the following problem by selecting the tile as shown. What, if anything, did the student do wrong? - B. The student chose the correct tile, but needs to flip the tile to make the units cancel 2. Based on the tiles, shown, how many moles of oxygen gas (O2) are needed to produce 36.04 grams of water (H2O) when reacting with access ethane in the equation: 2C2H6 + 7O2 —> 5CO2 + 6H2O? - C. 2.3 moles of oxygen (O2) 3. Which tile should be used to solve the ...

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1 pages

Written in 2023/2024

Grade A+

TeeGrades

Gizmo Bundled Exams Questions and Answers Multiple Versions (2023/2024) (Complete, Accurate, and Verified)

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54 items

StellarScores

Stoichiometry (Gizmo) Questions and Answers Already Passed 1. A student tried to solve the following problem by selecting the tile as shown. What, if anything, did the student do wrong? B. The student chose the correct tile, but needs to flip the tile to make the units cancel 2. Based on the tiles, shown, how many moles of oxygen gas (O2) are needed to produce 36.04 grams of water (H2O) when reacting with access ethane in the equation: 2C2H6 + 7O2 —> 5CO2 + 6H2O? C. 2.3 moles of oxygen (O...

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2 pages

Written in 2023/2024

Grade A+

StellarScores

given the balanced equation... C3H8+5O2→3CO2+4H2O which ratio of oxygen to propane is correct 5 moles of O2/1 mole C3H8 given the balanced equation CaCo3(s)+2HCl(aq)...... what is the total number of moles of CO2 formed when 20 moles of Hal is completely consumed? 10 mol given the balanced equation 4Al(s)+3O2(g)..... How many moles of Al(s) react completely with 4.5 moles of O2(g) to produce 3.00 moles of Al2O3(s)? 6.00 mol given the reaction 2PbO→ 2Pb+O2 what is the total volu...

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3 pages

Written in 2022/2023

Allan100

Stoichiometry Answer Key chem Vocabulary: Avogadro’s number, balanced equation, cancel, coefficient, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] 1. A 250 mL glass of orange juice contains 22 grams of sugar. How much sugar...

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7 pages

Written in 2022/2023

Grade A+

Madefamiliar

Stoichiometry Gizmo Questions And Answers

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6 pages

Written in 2020/2021

Grade A+

Kingamor