The weight of an object never changes.
true
false...
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Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle
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What is the temperature of one mole of helium gas at stp?
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How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work
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