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Calculate the heat that must be supplied to 10.8 g of Ne at .15 atm to raise its temperature from 28C to 51C at constant pressure. Assume that neon behaves as an ideal gas.
From the heats of reaction as given 3O2(g) ---> 2O3(g) DH = +284.6 kJ, 2H2(g) + O2(g) ---> 2H2O(g) DH = -483.6 kJ
Is 1-propanol soluble in hexane? Why or why not? What is the sketched formula for ethyl methyl ester and is it an isomer of butanoic acid? If not, what is the isomer of butanoic acid?
Which of the following statements is true regarding chiral carbons with R configuration? a. plane polarized light is rotated clockwise b. plane polarized light is rotated counterclockwise
A 60.00 mL sample of 0.075 M benzoic acid was titrated using 0.050 M KOH. What will be the pH at the equivalence point in the titration.
A 4.20 g nugget of pure gold absorbed 299 J of heat. The initial temperature was 22.0°C. What was the final temperature.
The decay constant for strontium- 90 is 0.0247 y^-1. how many grams of strontium-90 remain if 10.0g decay for exactly 60 years.
What mass of this substance must evaporate in order to freeze 150g of water initially at 15C? (The heat of fusion of water is 334J/g the specific heat of water is 4.18J/g*K.)
how many grams of HNO3 must be dissolved to make 25L of a solution that has a pH of 1.5
Calculate the pH of a solution formed by mixing 65-mL of 0.22M NaHCO3 with 75-mL of 0.15M Na2CO3.
Calculate the boiling point of a solution of 500.0 g of ethylene glycol (C2H6O2) dissolved in 500.0 g of water. Kf = 1.86°C/m and Kb = 0.512°C/m. Use 100°C as the boiling point of water.
Using the given reduction potential determine what is the voltage for these given electrochemical cell
What do you expect will happen to the position of this equilibrium when the total pressure of the gases in the reaction mixture is doubled by injecting some argon (Ar) while maintaining the temperature constant.
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