Gizmo moles Study guides, Class notes & Summaries

Student Exploration: Moles Vocabulary: atomic mass, Avogadro constant, conversion factor, dimensional analysis, mole, molar mass, molecular mass, scientific notation, significant figures, unified atomic mass unit Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. In the image to the right, note a dozen eggs, a dozen donuts and a dozen roses. How many of each item do you have? 12 2. Would a dozen of each object have the same mass? no 3. Suppose you have a dozen carbon atoms, a...

MOLES (GIZMO) WITH COMPLETE SOLUTIONS 100%2023/2024

Gizmos Student Exploration Stoichiometry Answers Key. Avogadro’s number, balanced equation, cancel, coefficient, conversion factor, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Activity A: Moles Get the Gizmo ready: ● Check that the equation is still: Fe2O3 + 3CO 2Fe + 3CO2 ● If not, click New equation until it reappears. Question: How do scientists find the molecular mass and molar mass of a substance? 1. Calculate: The molecular mass of a molecule is the...

Gizmos Student Exploration Stoichiometry Answers Key. Avogadro’s number, balanced equation, cancel, coefficient, conversion factor, dimensional analysis, molar mass, mole, molecular mass, stoichiometry Activity A: Moles Get the Gizmo ready: ● Check that the equation is still: Fe2O3 + 3CO 2Fe + 3CO2 ● If not, click New equation until it reappears. Question: How do scientists find the molecular mass and molar mass of a substance? 1. Calculate: The molecular mass of a molecule is the...

Student Exploration: Moles Vocabulary: atomic mass, Avogadro constant, conversion factor, dimensional analysis, mole, molar mass, molecular mass, scientific notation, significant figures, unified atomic mass unit Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. In the image to the right, note a dozen eggs, a dozen donuts and a dozen roses. How many of each item do you have? 2. Would a dozen of each object have the same mass? 3. Suppose you have a dozen carbon atoms, a dozen gold a...

Exam (elaborations) GIZMO Reaction Energy Answers Lab 22: Student Exploration: Reaction Energy Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: calorimeter, chemical bond, endothermic, enthalpy, exothermic, Hess’s law Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Two magnets are stuck together. What might you have to do to get them to separate? Pull them apart 2. Suppose you held t...

Stoichiometry (Gizmo) questions and answers 100% correct 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 oxy...

Stoichiometry (Gizmo) Full Exam 2023.1. A student tried to solve the following problem by selecting the tile as shown. What, if anything, did the student do wrong? - ANSWER 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? - ANSWER C. 2.3 moles of oxygen (O2) ...

Ideal Gas Law (Gizmo) questions and answers 100% correct If the volume occupied by the gas molecules shown below were doubled, what would happen to the pressure they exert? (Assume constant temperature) A. It would be cut in half If the temperature of the gas molecules shown below were reduced to 200 K, what pressure would they exert? (Assume constant volume) B. 0.50 atm Which of the following actions would cause the volume of the chamber below to increase to 36.0 L? C. Triple ...

Exam (elaborations) GIZMOS Equilibrium Concentration Student Lab Sheet Student Exploration: Equilibrium and Concentration Vocabulary: chemical equilibrium, concentration, equilibrium, equilibrium constant, reaction quotient, reversible reaction Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Gary has $5,000 in his bank account and earns a modest salary. Every month he pays for rent, food, utilities, and entertainment. A. How will Gary’s account change if he saves more than...