Gizmos chemical reaction - Study guides, Class notes & Summaries

Gizmos Chemical Reaction. Questions and Answers 2023/2024 Coefficient - Answer a number that indicates how many of each atom or molecule there are Combustion - Answer a chemical reaction in which a fuel burns in a gas, usually oxygen Compund - Answer a pure substance composed of two or more chemically bonded elements Decomposition - Answer a chemical reaction in which a single substance is broken down into two or more products Double replacement - Answer a reaction in which two comp...

Limiting Reactants Gizmos Answer Key Exam Questions And Answers The limiting reactant in a chemical reaction is the reactant that A. is used up at the end of the reaction. B. is left over after the reaction. C. has the largest number of atoms. D. has the fewest number of atoms. - ANS Correct Answer: A. is used up at the end of the reaction. How many water molecules (H2O) can be produced from 6 molecules of hydrogen gas (white) reacting with 6 molecules of oxygen gas (red)? Whi...

Chemical Changes Assessment Questions Gizmos Latest 2023 Already Graded A A white powder is added to a solution. The images show observations made before the powder is added, just after the powder has been added, and a little while later. (The liquid in the small beaker is phenol red solution.) What evidence shows that a chemical change has taken place? Correct Answer: D. All of the above. A reaction produces a gas, which is collected in a glass cylinder. When a glowing splint is placed inside...

GIZMOS Lab 22 - Student Exploration: Reaction Energy Questions and 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 apa...

GIZMOS Lab 22 - Student Exploration: Reaction Energy Questions and 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 apa...

Gizmos reaction energy Questions and passes Answers 2023/2024 define: energy - Answer the ability to do work define: kinetic energy - Answer the energy of movement potential energy is due to what in chemistry? - Answer the composition of a chemical "it's in the bonds" all chemical reactions are accompanied by a change in energy define: Law of Conservation of Energy - Answer energy can not be created or destroyed; it can only change form Joule - Answer the Joule (J) is t...

Gizmos: The Digestive System Assessment Already Passed Which organs allow nutrients to be absorbed? Small intestine and large intestine Which organ stores and compacts waste before it is eliminated? Rectum Which two organs help to break food down mechanically? Mouth and stomach This organ absorbs water and vitamin K in digested food. Large intestine This organ produces enzymes that break down nutrients. Pancreas These tiny blood vessels transport absorbed nutrients. Capillaries These cells...

Student Exploration: Collision Theory Vocabulary: activated complex, catalyst, chemical reaction, concentration, enzyme, half-life, molecule, product, reactant, surface area

Limiting Reactants Gizmos Answer Key questions and answers 100% correct The limiting reactant in a chemical reaction is the reactant that A. is used up at the end of the reaction. B. is left over after the reaction. C. has the largest number of atoms. D. has the fewest number of atoms. Correct Answer: A. is used up at the end of the reaction. How many water molecules (H2O) can be produced from 6 molecules of hydrogen gas (white) reacting with 6 molecules of oxygen gas (red)? Which r...

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...