Physics, 23.07.2019 01:30 prudencerufus
You wish to produce carbon dioxide for an experiment with plant growth. vinegar (acetic acid) in a solution will react with chalk (calcium carbonate) to produce carbon dioxide. your present experimental setup is not producing carbon dioxide quickly enough. what can you do to increase the rate of reaction? a. warm the solution up. b. add less acetic acid to the solution. c. add more water to the acetic acid solution. d. reduce the volume of solution by pouring some out.
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Physics, 21.06.2019 18:00
According to the law of conservation of mass, in a chemical reaction the total starting mass of all the reactants equal the total final mass of all the products. true or false?
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Physics, 22.06.2019 13:00
What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud
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Physics, 22.06.2019 15:40
Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?
Answers: 1
Physics, 22.06.2019 19:30
Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
Answers: 1
You wish to produce carbon dioxide for an experiment with plant growth. vinegar (acetic acid) in a s...
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