Chemistry, 01.12.2020 16:40 svarner2001
Will GIVE BRAINLIST IF YOU ANSWER CORRECTLY Identity the type of reaction and balance the equation, including the states of matter, for the following reactions
(5 Points) aqueous aluminum nitrate is added to solid calcium
Type of Reaction: Double Displacement, Solid
Al(NO3)3 (aq) + Ca (s) → Al2Ca3 (s) + NO3 (aq)
(5 Points) aqueous barium chloride is added to aqueous potassium sulfate
Type of Reaction:
BaCl2(aq) + K2SO4(aq) → KCl (aq) + BaSO4 (s)
(5 Points) solid magnesium oxide is heated
Type of Reaction:
MgO (s) →
(5 Points) solid zinc is added to oxygen gas
Type of Reaction:
Zn (s) + O2(g) →
(5 Points) aqueous cobalt (II) chloride is added to solid magnesium filings
Type of Reaction:
CoCl2(aq) + Mg (s) →
(10 Points) Write a double replacement reaction where one of the products is copper (II) hydroxide. Include the states of matter for each of the reactants and products.
(10 Points) Write a decomposition reaction where the reactant is ammonium nitrate.
Include the states of matter for each of the reactants and products.
(10 Points) Write a synthesis reaction where one of the reactants is aluminum.
Include the states of matter for each of the reactants and products.
(5 Points) Give three indications that a chemical reaction has occurred.
Answers: 3
Chemistry, 22.06.2019 09:00, tbiles99
What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.
Answers: 1
Chemistry, 22.06.2019 20:00, 20calzoy
There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
Answers: 3
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