Chemistry, 03.02.2021 23:50 Uniquestudies
The Law of Conservation of Mass states that in a chemical reaction, atoms are not created or destroyed. True or false question btw
Answers: 2
Chemistry, 21.06.2019 13:00
Dwayne filled a small balloon with air at 298.5 k. he put the balloon into a bucket of water, and the water level in the bucket increased by 0.54 liter. if dwayne puts the balloon into a bucket of ice water at 273.15 k and waits for the air inside the balloon come to the same temperature, what will the volume of the balloon be? assume the pressure inside the balloon doesn’t change. type the correct answer in the box. express your answer to the correct number of significant figures. the volume of the balloon at 273.15 k is liters.
Answers: 2
Chemistry, 21.06.2019 18:30
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Chemistry, 22.06.2019 12:30
Place the elements below in order of decreasing ionization energy. aluminum(al) chlorine(cl) magnesium (mg) sulfur(s)
Answers: 1
Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
The Law of Conservation of Mass states that in a chemical reaction, atoms are not created or destroy...
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