If you can answer all of these you get 50 pts
#1 which is usually associated with a faster rea...
If you can answer all of these you get 50 pts
#1 which is usually associated with a faster reaction rate?
a. adding a catalyst to the reactants
b. blowing a whistle near the reactants
c. removing heat energy from the reactants
d. decreasing the concentration of a solution of the reactants
#2 which is usually associated with a faster reaction rate?
a. adding heat energy to the reactants
b. putting a glass cover over the reactants
c. using a solid with a low surface area in the reactants
d. decreasing the concentration of a solution of the reactants
#3 which is usually associated with a slower reaction rate?
a. adding a catalyst to the reactants
b. using a crushed solid in the reactants
c. using a strong solution of the reactants
d. removing heat energy from the reactants
#4 which is usually associated with a slower reaction rate?
a. ringing a bell near the reactants
b. adding heat energy to the reactants
c. using a weak solution of the reactants
d. using a solid with a high surface area in the reactants
#5 which concentration of hydrochloric acid would most likely react with a zinc metal strip at the fastest rate?
a. 10%
b. 20%
c. 30%
d. 40%
#6 which is usually associated with a faster reaction rate?
a. shaking pepper into the reactants
b. removing heat energy from the reactants
c. using a highly concentrated solution in the reactants
d. using a solid with a low surface area in the reactants
#7 which is usually associated with a slower reaction rate?
a. shaking pepper into the reactants
b. adding heat energy to the reactants
c. using a solid with a low surface area in the reactants
d. using a highly concentrated solution of the reactants
Answers: 2
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Me puede ayudar con estas preguntas 1. diga que estudia la química orgánica explica el nacimiento bioquímicas 2. cual es la importancia de la química orgánica. 3. determine las principales características del hidrógeno, oxigeno, nitrógeno y azufre como elementos que constituyen los compuestos orgánicas. 4. elabore una tabla comparativa entre compuestas orgánicas e incaicos.
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Mathematics, 01.12.2020 22:40
Mathematics, 01.12.2020 22:40
Mathematics, 01.12.2020 22:40