What happened when solid ammonium carbonate is heated
When solid ammonium carbonate is heated it decomposes to form ammonia gas ,carbon dioxide gas and water vapor so that the solid completely disappears write a complete balanced equation for this reaction.
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A man has two choices on investing his money. Investment A gives him a 5000 dollar return with probability 0.8 or 1000 with probability 0.2 .investment B give him a 3000 dollar return with probability 0.75 or 2000 with probability 0.25. Calculate
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