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1.) How many km^2 are in 9.55 x 10^31 fm^2?
2.) A sample of dichlorormethane has a voloume of 8.043 in.^3. What is the mass of the sample(in lb)? The density of dichloromethane 1.33 g/cm^3.
3.) How many nm^2 are in 7.30 x 10^3 ft^2?
4.) What is the weight in ounces (oz) of a copper cylinder with a volume of 143.2 in.^3 if the density of copper is 8.96 g/cm^3?
Devise tests which allow you to distinguish between the ions in each case.
What mass of sucrose should be combined with 514 g of water to make a solution with an osmotic pressure of 8.85 atm at 295 K? (Assume the density of the solution to be equal to the density of the solvent.)
Compression and Cooling of Nitrogen Gas. A volume of 65.0 ft^3 of N2 gas at 90°F and 29.0 psig is compressed to 75 psig and cooled to 65°F.
Draw the structure of the product that is formed when diphenylmethanone undergoes a reaction with PhMgBr
0.10 gram sample of a gas occupies 47 ml of vol at 25 deg C and 755 mm Hg. What's the FW of the compound?
How many molecules of HCCH react with 143 molecules of oxygen to produce carbon dioxide and water?
How many moles of Allyl Sulfide (C3H5)2S in 23.2g? How many H atoms are in 0.85 mole of allyl sulfide?How many atoms of Carbon are in 4.20 X 10^23 molecules of allyl sulfide.
The three main components of dry air and the percentage of each are Nitrogen(78.08%), oxygen (20.95%), and argon (0.93) A) calculate the partial pressure of each gas in a sample of dry air at 760mmHg
What is the Kc for the following equilibrium CO2+H2=CO+H2O if CO=0.24M, H2O=0.38m, CO2=0.30M and H2O=3.3*10-2M
In the Balmer-Rydberg equation, what value of is used to determine the wavelengths of the Balmer series?
The precipitate formed was washed and dried .Its mass was 0.287g.Find the mass of NaCl in the initial sample.
why does a salt containing a cation from a weak base and an anion from a strong acid form an acidic solution
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