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Which compound of each set has the highest and lowest boiling point? Decribe the factors that mitigate these values. A) CH4, CH3CH3, CH3CH2CH3, CH3CH2CH2CH3 B) CH3Cl, CH2Cl2, CHCl3, CCl4
A balloon vendor at a street fair is using a tank of helium to fill her balloons. The tank has a volume of 102 L and a pressure of 131 atm at 23 celsius
What is the density of a block of marble that occupies 251cm^3 and has a mass of 623g?" answer in units g/cm^3
Calculate the formula of a compound, given that 55.85 g of iron combines with 32.06g of sulfur.
If a mixture containing 27.76 g each of NH4Cl and Ca(OH)2 is heated, how many grams of NH3 will be produced. Which reactant remains in excess, and in what mass
Cobalt-60 is a beta emitter with a half life of 5.3 years. Approximately what fraction of cobalt-60 atoms will remain in a particular sample after 12.0 years?
A student added calcium ion, ca2+ to an aqueous solution and observed formation of a precipitate. Addition of HNO3 had no effect on the precipitate. What anion wa present in the original solution? Explain your answer
A student dissolves 1.50g of copper(II) nitrate in water. After adding aqueous sodium carbonate solution which contains 1.80g of sodium carbonate, the student obtains 0.875g of CuCO3 precipitate.
Calculate the relative proportions of two conformers A and B in a compound, assuming that an energy of 15.5 kj/mol is required to go from
Benzene is a organic solvent with the formula, The volume occupied by 1 micromole of liquid benzene and the volume occupied by 1 megamole of benzene as a vapor at STP (assume an ideal gas)
Calculate the resulting pH if 150 mL of 1.50 M HClO4 is mixed with 500 mL of 0.125 M Ba(OH)2.
Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.
You are asked to prepare 150 mL of a 0.059 M solution of silver nitrate. How many grams of silver nitrate do you need to weigh out.
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