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Chemistry, 21.06.2019 17:40
Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z
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Chemistry, 21.06.2019 22:00
The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100
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Chemistry, 21.06.2019 22:30
Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l
Answers: 3
Chemistry, 22.06.2019 03:10
Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
Answers: 1
For the reaction 2CO(g) + 2NO(g) → 2C02(g) + N2(g), what is the rate of disappearance of the reactan...
Mathematics, 04.04.2020 13:03
Mathematics, 04.04.2020 13:03
Mathematics, 04.04.2020 13:04