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Why does air exert pressure? because air has mass because the atmosphere is thick due to wind moving air due to increased temperature
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7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '
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What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers
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What happens to the atomic radius when an elctron is lost
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Why does air exert pressure? because air has mass because the atmosphere is thick due to wind movin...
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