Physics, 06.10.2021 05:20 eddiewoods56881
Identify the necessary parts to build a calorimeter.
Answers: 2
Physics, 22.06.2019 07:50
Calculate the ratio of h+ ions to ohâ ions at a ph = 6. find the concentration of h+ ions to ohâ ions listed in table b of your student guide. then divide the h+ concentration by the ohâ concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to ohâ ions at a ph = 6. are they the same? why or why not? record your explanation in table a. what is the concentration of h+ ions at a ph = 6? mol/l what is the concentration of ohâ ions at a ph = 6? mol/l what is the ratio of h+ ions to ohâ ions at a ph = 6? : 1
Answers: 1
Physics, 22.06.2019 12:10
Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free â body force diagram showing the forces acting on the block. (b) write down all relevant newtonâs equations for a given situation.
Answers: 1
Physics, 23.06.2019 00:40
Researchers conducted an experiment to identify the effects of three different hand sanitizers on the growth of bacteria. the researchers grew one type of bacteria in twenty-four identical covered petri dishes. then, they opened eighteen petri dishes and applied the three hand sanitizers to six petri dishes each. they left the remaining six petri dishes closed as a control group. when the researchers measured the growth of bacteria two days later, the six dishes that had no hand sanitizer showed the least amount of bacterial growth. the researchers concluded that not using any hand sanitizer would lead to the least bacterial growth. which statement best explains why the researchersâ conclusion was not justified? the experiment tested too many variables. the control group was not treated the same as the experimental group. the sample size of twenty-four petri dishes is not large enough. the single type of bacteria is not adequate to make any conclusions.
Answers: 1
Identify the necessary parts to build a calorimeter....
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