Science > Chemistry > Chemical Reactions

Use the chemical equation to complete the activity. 2Cu+S→Cu2S Copper (Cu) reacts with sulf... Balance the following the chemical equation: _ Mg + _ F2 → _ MgF2 a 1:1:1 b 2:1:1 c 1:... The following equation represents the atomic masses of the reactants and products in a chemical rea... Which of the following describes what it means for a chemical equation to be balanced? A. it has th... Suppose 20 atoms of hydrogen (H) react with chlorine (Cl) to produce 20 molecules of hydrochloric ac... Use the chemical reaction to answer the question. 2H2O2 -- 2H2O +O2 Which statement about the reac... Is this statement true or false? Different elements can combine to form compounds. Responses... Which term describes the conversion of substances into different substances?(1 point) Responses... A chemical change and chemical reaction are the same thing Burn in propane in water is physical or chemical change