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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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How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 → cu(no3)2 + 2 ag
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Chemistry, 23.06.2019 21:30
Which particles make up the nucleus of an atom? a. protons and electrons b. neutrons and electrons c. protons only d. protons and neutrons e. neutrons only
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Which atomic models in task 1 are not supported by Thomson's experimental evidence? For each of thes...
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