Chemistry, 21.02.2021 22:40 auzriannamarie
Which of the following best explains why the strings of a harp make sounds when it is played?
Answers: 3
Chemistry, 21.06.2019 18:00, mommatann
In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible? a. attractive forces between gas particles are negligible because the particles of an ideal gas are moving so quickly. b. collisions between gas particles are elastic; there is no net gain or loss of kinetic energy. c. gases consist of a large number of small particles, with a lot of space between the particles. d. gas particles are in constant, random motion, and higher kinetic energy means faster movement.
Answers: 1
Chemistry, 22.06.2019 03:00, ian2006huang
Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
Answers: 3
Chemistry, 22.06.2019 16:00, anferneebcoleman
How many moles of oxygen react with 12 moles of aluminum
Answers: 1
Which of the following best explains why the strings of a harp make sounds when it is played?...
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