Chemistry, 31.10.2019 04:31 laequity7325
Which best describes a compound such as sodium chloride? a) a pure substance that can be separated into different elements by physical means b) a mixture of two common substances that can be separated by chemical means c) a mixture of two common elements that can be separated by physical means d) a pure substance that can be separated into different elements by chemical means.
Answers: 1
Chemistry, 22.06.2019 16:40, roderickhinton
The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates
Answers: 3
Which best describes a compound such as sodium chloride? a) a pure substance that can be separated...
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