Chemistry, 30.10.2019 02:31 emmacox069
Which of the following has the best buffering capacity. (buffering capacity can be thought of as the amount of strong acid or base that must be added to a buffered solution to change its ph by 1)? select one: a. 0.4 m ch3coona/ 0.2 m ch3cooh b. none of these are appropriate concentrations for buffers c. they all have the same buffering capacity d. 0.4 m ch3coona/ 0.6 m ch3cooh correct e. 0.3 m ch3coona/ 0.6 m ch3cooh
Answers: 3
Chemistry, 21.06.2019 17:10
A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?
Answers: 1
Chemistry, 22.06.2019 05:30
Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean
Answers: 3
Chemistry, 22.06.2019 10:00
A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
Answers: 1
Which of the following has the best buffering capacity. (buffering capacity can be thought of as the...
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