Chemistry, 28.09.2020 19:01, dragonmaster837
As a scuba diver descends toward the bottom of the ocean, she experiences the sensation of her ears "popping." Based on your observations from the Can Crush Lab, why would this happen? (2 points)
Decreased pressure inside the diver's oxygen tank causes pressure on the diver's ears.
Increased pressure inside the diver's oxygen tank causes pressure on the diver's ears.
Pressure increases on the diver as the diver descends deeper underwater.
Pressure decreases on the diver as the diver descends deeper underwater
Answers: 1
Chemistry, 22.06.2019 08:00, mariamakonteh31
Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.
Answers: 1
Chemistry, 22.06.2019 09:20, pandaman632
What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?
Answers: 1
Chemistry, 22.06.2019 11:40, Wemaybewrong
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
As a scuba diver descends toward the bottom of the ocean, she experiences the sensation of her ears...
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