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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 B
2A ---> 3B How many molecules
1 answer
asked by
Mark
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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asked by
carla
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
1 answer
asked by
carla
703 views
In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B.
How many molecules of
1 answer
asked by
bb
657 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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asked by
ady
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
2 answers
asked by
Jem
561 views
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
1 answer
asked by
anonymous
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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asked by
Analise
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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asked by
Izzie
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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asked by
Tylor
546 views