Chemistry, 18.12.2019 20:31 levicorey846
The elephant toothpaste demonstration was a great example of the use of potassium iodide as "catalyst". why did dr. hartings use potassium iodide in this demonstration?
to slow down the reaction
to speed up the reaction
to preserve the oxygen in the soap bubbles
to give color to the foam
ammonia is one of the most produced chemical compounds in the world today. which of the following is the main real-world use for ammonia? *
2 points
to maintain the level of of nitrogen in the air (78%)
to produce household cleaners
to produce nitric acid
to produce fertilizer for crops
Answers: 1
Chemistry, 22.06.2019 08:30
If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?
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Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
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How is the shape of the poem “peer” connected to its meaning?
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Chemistry, 22.06.2019 20:00
Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin
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The elephant toothpaste demonstration was a great example of the use of potassium iodide as "catalys...
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