Chemistry, 28.05.2021 23:00 paralaw61772
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How many moles of helium are needed to fill a balloon to a volume of 6.9 Lat 24 °C and
595 mmHg?
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Classify each statement about effective nuclear charge, zeff, as true or false.
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Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating
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If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?
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Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
2
How many moles of helium are needed to fill a balloon to a volume of 6.9 Lat 24 °C and
595...
595...
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