Chemistry, 14.02.2020 12:25 nestergurl101
(PLEASE ANSWER ASAP) What is defined as the energy required to start a chemical reaction?
A:precipitate energy
B:heat
C:reactant energy
D:activation energy
Answers: 1
Chemistry, 21.06.2019 21:10
How is 0.00235 expressed in proper scientific notation? a. 2.35 Γ 10-3 b. 0.235 Γ 10-2 c. 2.35 d. 2.35 Γ 103
Answers: 1
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 3
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ΒΊc and rises to an altitude where its volume is twenty times the original volume and its temperature is β 50.0ΒΊc ?
Answers: 2
(PLEASE ANSWER ASAP) What is defined as the energy required to start a chemical reaction?
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