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The atomic weight of hydrogen is 1 and the atomic weight of oxygen is 16. To produce 72 grams of water how many grams of hydrogen and how many grams of oxygen do you use?
cs2l 3cl2 g --gt ccl4 ls2cl2l is the given equation in which carbon tetrachloride is a common commerical solvent . can
what will the concentration of all the reactants and products be when the reaction reaches equilibrium at 527 degrees C?
How many grams of CaCl2 are needed to make 968.1 g of a solution that is 35.5% (m/m) calcium chloride in water? (Note that m/m has the same meaning as w/w.)
What is the pH of a 0.430 M ammonia solution. What is the percent ionization of ammonia at this concentration
To determine the organic material in a dried lake bed, you have determined the percent carbon by mass at two different locations. In order to compare the means of the two different locations, you need to determine whether the standard deviations o..
Compute the solubility of silver sulfite, Ag 2 SO 3 in units of grams per liter and complete and balance these given redox equations by the half reactions method (the oxidation reaction and the reduction reaction)
How does this affect the reported solubility product of borax at that temperature? Explain. Temperatures can range from 4.4 degrees C, 17.1 degrees C, 34.6 degrees C, 41.6 degrees C, and 50.6 degrees C.
A 1.678 g sample of a component of the light petroleum distillate called naphtha is found to yield 5.143 g CO2 (g) and 2.456 g H2O (l) on complete combustion. This particular compound is also found to be an alkane with one methyl group attached to..
Calculate the pH of a buffer solution made by mixing 44 ml of a 0.06 M ammonia solution with 60 ml of a 0.10 M ammonium nitrate solution. Give the pH to two decimal places.
An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.06 , and the density of the crystal is 7.01. Calculate the molar mass (in g/mol) of the element
Use Kirchoff's law to calculate ?vapH , the molar enthalpy of vaporization, of a substance at 218.15 K, given that its standard enthalpy of vaporization is ?vapH=32.45 kJ mol at 25.0ºC.
A gas absorbs 2.5 J of heat and then performs 13.1 J of work. The change in internal energy of the gas is
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