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Chemistry, 21.06.2019 14:20
Which of the following statements is not true? ā¢ a. covalent compounds have low melting and boiling points. ā¢ ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. ā¢ c. covalent bonds occur between nonmetals. ā¢ d. covalent compounds are often gases or liquids.
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, 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?
Answers: 1
Chemistry, 22.06.2019 20:30
Identify the correct mole ratio for each substance. sodium chloride (nacl) na: cl = 1: ammonium nitrate (nhno) h: o = 4:
Answers: 1
How did the speed of the waves change the erosion that was occurring?...
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