Can you please help with question 1 and 4
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Chemistry, 22.06.2019 09:30
What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.
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Chemistry, 22.06.2019 15:30
Which of the following are correct values for the ideal gas laws constant r
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