Substance x has a molar

  1. In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B2A ---> 3B How many molecules
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    2. Mark asked by Mark
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  2. substance X has a molar mass of 107.6 g/mol. When 2.50 g of substance x burns in an iron calorimeter, the temp. of the
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    2. carla asked by carla
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  3. Substance x has a molar mass of 107.6 g/mol. when 2.50 g of substance x burns in an iron calorimeter the temp. of calorimeter
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    2. carla asked by carla
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  4. In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B.How many molecules of
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    2. bb asked by bb
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  5. find the molar enthalpy of vaporization for a substance, given that 3.21 mol of the substance absolve 28.4 kj of energy as heat
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    2. ady asked by ady
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  6. 1.Is molar mass always done for one mol of substance?Let me make up an example: 2H2(g)+O2(g)--> 2H2O When finding molar mas of
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    2. Jem asked by Jem
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  7. A certain substance has a molar heat of vaporization of 54.2 kJ/mol. How much of the substance is in a sample that requires 80.0
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    2. anonymous asked by anonymous
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  8. Find the molar enthalpy of vaporization for a substance, given that 3.21 mol of the subtance absorbs 28.4 kJ of energy as heat
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    2. Analise asked by Analise
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  9. If 0.274 moles of a substance weighs 62.5g, what is the molar mass of the substance?62.5/0.274 = 228.1 Am I on the right track?
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    2. Izzie asked by Izzie
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  10. If 395.3 g of a substance is dissolved in 872.6 g of cyclohexane solvent, the boiling point of the solution is 87.38 oC.
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    2. Tylor asked by Tylor
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