Chemistry, 13.12.2019 21:31 oksanabkrot
1. which of the following reactions are metathesis reactions?
(a) 2kcio3 - 2kci+ 302
(b) cu(no3)2 + zn -> cu + zn(no3)2
(c) baco3 + 2 hcl → bacl2 + h2o + co2
(d) na2co3 + cuso4 → na2so4 +cuco3
..1
Answers: 3
Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
Answers: 1
Chemistry, 22.06.2019 23:30
With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
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Chemistry, 23.06.2019 04:20
The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
Answers: 1
1. which of the following reactions are metathesis reactions?
(a) 2kcio3 - 2kci+ 302
(b...
(a) 2kcio3 - 2kci+ 302
(b...
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