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Substance x has a molar

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. asked by Mark
3. 1,510 views
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. asked by carla
3. 746 views
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. asked by carla
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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. asked by bb
3. 656 views
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. asked by ady
3. 545 views
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. asked by Jem
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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. asked by anonymous
3. 612 views
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. asked by Analise
3. 655 views
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. asked by Izzie
3. 6,684 views
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. asked by Tylor
3. 546 views