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Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Chemistry, 22.06.2019 17:00
Complete each row of the table below by filling in the missing prefix or missing exponent.
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Chemistry, 23.06.2019 00:00
How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?
Answers: 3
1. Express the wave speed of each wave described below in meters per second.
A wave travels through...
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