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A sample has a specific heat of 0.155 cal/g·°C. How much energy will be required to raise the temperature of the sample from 20.0°C to 35.0°C if the sample has a mass of 8.0 g?
what is the freezing point of an aqueous solution of a nonvolatile solute that has a boiling point of 102.45 0C?
What are the types of forces, in addition to london forces, that are overcome in these changes. using structural formulas, make a sketch representing the major type of force in each case.
What would the product be if I react crotyl chloride with NaI in acetone?
at 884 k the equilibrium conditions for the reactionpcl5s h2ol 2 hclg pocl3g are pcl5 0.714 m h2o 2.66 m hcl
1) 2.34g of sodium chloride was dissolved in 250cm3 of water. What is the concentration of the sodium chloride solution in mol/dm3 ?
A solution of 5.00g of an organic compound in 25.00g carbon tetrachloride boils at 84.8 c at 760torr. What is the molecular weight of the compound. (bpt ccl4 = 76.5 C, Kb = 5.03 C/m)
a solution of ethanol c2h5oh in water is prepared by dissolving 57.0 ml of ethanol density 0.79 gcm3 in enough water
for each of the following three questions 25.0 ml of 0.100 m pyridine kb 1.70 x 10-9 is titrated with 0.100 m hcl. for
consider the following reaction So2Cl2 + Cl2. A reaction mixture is being made containing an initial So2Cl2 of 2.3 x 10 -2. At equilibrium Cl2 = 1.0 x 10 -2. Calculate the value of the equilibrium constant
Discuss the phase changes that occur in the liquid solid and liquid vapor boundary. Describe how the locations of phase boundaries are obtained. Discuss any assumptions used in the Clasius Clapeyron equation.
A person accidentally swallows a drop of liquid oxygen, O2(l), which has a density of 1.149 g/mL. Assuming the drop has a volume of 0.035 mL, what volume of gas will be produced in the person's stomach at body temperature (37°C) and a pressure of ..
Question- At 28.0 °C, the vapor pressure of n-propyl mercaptan, C3H7SH, is 2.33 x 10^4 Pa, while that of acetonitrile, CH3CN, is 1.36 x10^4 Pa. What is the vapor pressure, at 28.0 °C, of a solution made by mixing 100.0 g of C3H7SH and 100.0 g CH..
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