Chemistry, 09.09.2019 19:30 katelynwest1
When carbon is burned in the air, it reacts with oxygen to form carbon dioxide. when 22.8 g of carbon were burned in the presence of 79.0 of oxygen, 18.2g of oxygen remained unreacted. what mass if carbon dioxide was produced?
Answers: 2
Chemistry, 22.06.2019 10:00
Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.
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When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa
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How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?
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Chemistry, 22.06.2019 19:30
Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!
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When carbon is burned in the air, it reacts with oxygen to form carbon dioxide. when 22.8 g of carbo...
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