Chemistry, 06.10.2019 04:01 golderhadashaowtatz
Asolid, a liquid, and a gas are each in separate covered jars. the substances are the same type but different states of matter. describe what will happen if the cover of each jar is removed. explain how the difference in kinetic energy of the substances explains this result.
Answers: 2
Chemistry, 22.06.2019 01:30
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
Answers: 2
Chemistry, 23.06.2019 04:40
Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?
Answers: 1
Chemistry, 23.06.2019 06:30
1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.
Answers: 1
Chemistry, 23.06.2019 15:30
Floor 19 is an isotope of fluorine it has different number a. electrons b. protons c. neutrons d.electron shells
Answers: 1
Asolid, a liquid, and a gas are each in separate covered jars. the substances are the same type but...
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