The goal for Experiment 1: Ideal Gas Law - Finding Percent H2O2 with Yeast is to find the percentage of hydrogen peroxide in the solution. To determine percentage, you need to first determine how many moles of hydrogen peroxide are present. Rearrange PV=nRT to solve for n, then plug in your known values for P, V, R, and T. Show all your calculations from Experiment 1 for converting your temperature (T) to Kelvin.
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Chemistry, 21.06.2019 20:30
After cloud droplets form, what must happen to them for precipitation to occur?
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Chemistry, 21.06.2019 21:00
The earth's moon is unusually large. two popular theories of the moon's origin include the "sister world" hypothesis, which states that the moon formed from the same materials as the earth, near enough to the earth that they fell into orbit around each other. a second theory is the "capture" hypothesis, in which the moon formed elsewhere in the solar system, and the earth's gravity pulled it into its orbit. studies of what the moon is made of indicate that some of its materials had to come from the earth or from the same area of the solar system where the earth had formed. at the same time, the moon does not contain much of the material that makes up the earth's core, so the moon could not have formed from the same materials as the earth. how do the two facts above affect the described theories of the moon's origin? a. they show that scientists will never agree on where the moon came from. b. they show that more experiments on moon formation need to be done. c. they show that no theory accounts for the existence of the moon. d. they show that neither theory is complete and entirely correct.
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Chemistry, 22.06.2019 09:10
Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons
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The goal for Experiment 1: Ideal Gas Law - Finding Percent H2O2 with Yeast is to find the percentage...
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