Chemistry, 31.08.2019 23:50 ryansterling200
How many atoms of copper are in a pure copper penny that weighs 2.15 g? (1 amu = 1.6605 10-24 g)?
Answers: 1
Chemistry, 22.06.2019 01:30, kayleg907436
Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy
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Chemistry, 23.06.2019 09:00, blossie94681
The vapor pressure of water at 25.0°c is 23.8 torr. determine the mass of glucose (molar mass = 180 g/mol) needed to add to 500.0 g of water to change the vapor pressure to 22.8 torr.
Answers: 1
Chemistry, 23.06.2019 11:30, baptistatm51976
If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over
Answers: 1
How many atoms of copper are in a pure copper penny that weighs 2.15 g? (1 amu = 1.6605 10-24 g)?...
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