Chemistry (Chemistry)

GCSE CHEMISTRY HIGHER TIER QUESTION PAPER 2 2021 AQA Style GCSE CHEMISTRY Higher Tier Chemistry Paper 2 Time allowed: 1 hour 45 minutes Materials • A pen and pencil • A calculator • Periodic Table of Elements Instructions and Information • Answer all the questions using a black pen. • Answer the questions in the space available and cross out any work you do not want to be marked. • In any calculations make sure you show your working out. • The marks for each question...

CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2020A-level CHEMISTRY 7405/1 Paper 1 Inorganic and Physical Chemistry Mark scheme June 2020 Version: 1.0 Final *206A74051/MS

Mark Scheme for November 2020 Mark Scheme for November 2020 Mark Scheme for November 2020 H032/01: Breadth in chemistry

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? 2. Suppose you held two magnets a short distance apart, then let go. What would happen? 3. Think ab...

Stoichiometry Answer Key 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 is in a two-l...

Name: Date: 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 ...