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The vapor pressure at 300 K is 856 torr. If 12.0 g of CCl3F is enclosed in a 1.0 L container, will any liquid be present? How much?
A 12 m 11 m 3.0 m basement had a high radon content. On the day the basement was sealed off from its surroundings so that no exchange of air could take place.
Formic acid, CH2O2, can be decomposed to produce hydrogen. The Lewis structure for formic acid, CH2O2, is show below. The atoms are labeled A, B, C, D, E.
Assume the radius of a neutron to be approximately 1.0; times ;10^{ - 13} {rm cm}, and calculate the density of a neutron.
As gas expands from 1.00 L to 2.50 L against constant pressure of 820 torr. Calculate the change in internal energy for the gas, if 120 J of heat is transferred to the gas during the expansion.
A 0.0560 g quantity of acetic acid is dissolved in enough water to make 50.0 mL of solution. Calculate the concentration of H+, CH3COO-, and CH3COOH at equilibrium. Ka for acetic acid= 1.8x10^-5.
What is the molarity of a solution prepared by dissolving 10.5 grams of NaF in enough water to produce 750 mL of solution
Determine the mass of propylene glycol neded to substitute one gallon of ethylene glycol and also find out the volume of propylene glycol, required to get the same antifreeze protection as one gallon of ethylene glycol.
The mixture is ignited with a spark and it reacts to form H2O (l)liquid water. determine the temperature of water?
Write a structural formula for two different isomers of [Co(H2O)2(en)2]Cl2. Indicate the oxidation state of the Co in each case.
Suppose that you developed your own new temperature scale, denoted oN. You chose 30.0oN as the temperature of freezing water and 280oN as the temperature of boiling water at 1.0 atm pressure.
Consider a linear string of five hydrogen atoms, H^5. Determine the net overlap for each molecular orbital and classify it as bonding, nonbonding, or anti-bonding.
calculate the molality of each of the following solutions: a)14.3g of sucrose in 676g ofwater b)7.20 moles of ethylene glycol in 3546g of water.
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