Chemistry, 13.05.2021 22:20 Ellafrederick
A student sets up the electrolysis experiment following the instructions in Experiment 20. When the student's back is turned, a gremlin raises the current to a value of 0.2 amp, which is twice the value of 0.1 amp that the student initially set. Which of the following statements are true about the rate of hydrogen gas formation?
a. The rate of gas formation will be approximately twice as a fast
b. The rate of hydrogen gas formation will be approximately four times greater
c. The rate of gas formation will be approximately 1/4 as fast
d. The rate of gas formation will be approximately one-half as fast
e. The rate of gas formation will remain the same
Answers: 2
Chemistry, 22.06.2019 08:30
The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
Answers: 1
Chemistry, 22.06.2019 13:00
In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
Answers: 3
A student sets up the electrolysis experiment following the instructions in Experiment 20. When the...
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