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Question: The heat of vaporization of CCl2F2 is 289 j/g.What mass of this substance must evaporate in order to freeze 160g of water initially at 16c? (The heat of fusion of water is 334 j/g the specific heat of water is 4.18j/g*k .)
Dichloromethane is produced from two successive chlorination reactions: the chlorination of methane to methyl chloride followed by the chlorination of methyl chloride to dichloromethane
What are the required steps in the synthesis reaction of tert-butanol only using Ethanol (CH3CH2OH) and Methane (CH4)
What will the units of the following rate constant if the rate constant is expressed in mol/L * min. Rate = k [A][B]
write ground-state electron configurations for these ions, which play important roles in biochemical processes in our bodies. (Use a noble gas core abbreviation) Na^+, Mg^2+ Cl^- K^+
What is the molarity of an NaCl solution prepared by dissolving 9.3g NaCl in sufficient water to give 350mL of solution.
A voltaic cell is constructed with an Ag/Ag+ half-cell and a Pb/Pb2+ half-cell. Measurement shows that the silver electrode is positive. Write balanced half-reactions and the overall spontaneous reaction.
Indicate whether each of the following equilibrium mixtures contains mostly products or mostly reactants. a. CO(g) +Cl2(g) COCl2(g) Kc=5.0x10 to the negative 9 b.2HF(g) H2(g) + F2(g) Kc= 1.0x 10 to the negative 95 c. 2NO(g) +O2(g) 2NO2(g) Kc=6.0x1..
If the heated copper is then placed into the water in the insulated container, given that the specific heat of copper is 0.385J/(gC), calculate the maximum temperature of the water after the copper metal is added.
Uranium hexafluoride is a solid at room temperature, but it boils at 56°C. Determine the density of uranium hexafluoride at 62°C at 755 torr.
A voltaic cell consist of a pb/pb2+ half cell and a cu/cu2+ half cell at 25 c the initial concentrations of pb2+ and cu2+ are 5.3*10^-2 M and 1.6M respectively. what is the initial cell potentials
a 670 ml gas sample at stp is compressed to a volume of 284 ml and the temperature is increased to 20 c. what is the
Determine the amount of heat required to raise the temperature of a 153 g bar of gold by 50.0C. (specific heat of gold = 0.128 J/g.C)
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