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When 4.00 g of hydrogen nuclei fuse to form helium in the sun, 0.0265 g of matter is converted into energy. Use Einstein's equation, E = mc2, to calculate the energy equivalent of this change in mass.
What mass of Al2O3 in grams can be made by reaacting 4.6 g AL with excess oxygen?
A 39.0 mL solution of 0.500 M Cd(NO3)2 is prepared. What mass of NaOH is needed to precipitate the Cd2+ ions from this solution?
Consider a reaction for which DeltaS is positive and DeltaH is negative. Discuss briefly the conditions under which this reaction will NOT BE spontaneous.
Before the collision what is the complete Eigen-function of the molecule? assuming the surface is located at x=0, and V (x =0)=0 and tha tthe molecule is located at a position X>>0. which means the molecule can be treated as a free mass in the re..
if 2.3g of sodium reacted with 1.3g of water,what would be the total mass of sodium hydroxide and hydrogen produce?
The volatile liquids A and B are confined to a piston and cylinder assembly. The pure vapor pressure of A is 165 torr, and for B is 85.1 torr. Initially only the liquid phase is present
Calculate the mass of water produced when 5.41 g of butane reacts with excess oxygen
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
Write a Lewis structure for each of the following molecules.
In photosynthesis, plants from glucose (C6H12O6) and oxygen from carbon dioxide and water
why is it easier to analyze a mixture of atomic species by absorption spectroscopy than it is to analyze a mixture of molecular species?
Calculate the pH of a buffer solution made by adding 10.0g of anhydrous sodium acetate (NaC2H3O2) to 100 ml of 0.100M acetic acid.
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