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1. Aluminum has a specific heat of 0.897, while silver has a specific heat of 0.235. If 10 grams of both metals were left in the sun for an hour, which would be hotter? Why?
2. In a phase diagram what does "normal" refer to?
3. At 50 degrees Celsius and atmospheric pressure, water is in the liquid phase. What two things could be done to liquid water to change it to a vapor?
The pKa values of a compound with two ionizable groups are pKa1 = 4.10 and pKa2 between 7 and 10. A biochemist has 10 mL of a 1.0 M solution of this compoud at a pH of 8.00. She adds 10.0 mL of 1.00 M HCl,
What is the value of Î"Go in kJ at 25 oC for the reaction between the pair: I2(s) and Br-(aq) Use the reduction potentials for I2(s)
The freezing point of an aqueous solution containing 15 g of a nonelectrolyte in 150 mL water is -5.4°C. What is the molecular weight of the compound? Kf = 1.86°C/m for water.
What is formed when benzene is reacted with Br2 then FeBr3? Then that molecule is reacted with Mg then CO2 then H
A closed vessel contains moist air at 20 degree celcius, the relative humidity being 30 %. What would be the relative humidity become if the vessel were cooled to 10 degree celcius?
The following data were obtained when a Ca2+ ion-selective electrode was immersed standard solutions whose ionic strength was constant at 2.0 M.
What is the molarity of a solution that is 7.00% by mass magnesium sulfate and has a density of 1.071.
The first point should be at -56.8 degrees Celsius and the last point at 150.0 degrees Celsius. Do not connect the points with a line.
The mass of a 150 ml beaker was determined to be 82.123 g. A sand- salt mixture was placed in the beaker and the mass of the beaker plus the mixture was determined to he 86.246 g.
Why is it possible to separate the product (6-ethoxycarbonyl-3,5-diphenyl-2-cyclohexenone) from sodium hydroxide using acetone?
Determine the amount of work that must be supplied to the compressor and the temperature of the gas leaving the compressor b) Determine the heat load on the heat exchanger
Identify the most important types of interparticle forces present in the solids of each of the following substances: A) BaSO4 B) H2S C) Xe D) C2H6 E) CsI F) P4 G) NHs
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