Why is it important to have a control group in an experimental investigation?
to show what h...
Why is it important to have a control group in an experimental investigation?
to show what happens when the dependent variable is not changed
to see how the dependent variable changes the independent variable
to compare the results when the independent variable is not involved
to allow the researchers
to change the dependent variable as they wish
Answers: 3
Chemistry, 22.06.2019 00:30
Jessica is traveling from miami, florida, to chicago, illinois. using the map, tell one way the land will change during the second half of her trip.
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Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10-3 m and k for the dissociation is 1.86x10-5. ch3cooh(aq)+h2o(l)+> h3o+(aq)+ch3coo-(aq) show me how to get the answer.
Answers: 3
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When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
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