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1. 100g of liquid water is heated from 0 C to 100 C at 1 atm. The water is the system.
Find heat (in joules)
2. Calculate the indicated quantities for a system consisting of 1 mol of N2 gas. Assume ideal gas behavior.
a) The gas initially at 10 atm pressure is expaneded tenfold in volume against a constant external pressure of 1 atm, all at 298 k. Calculate q, w, change in energy, and enthaply.
3. Calculate the work (in joules) done on the system.
The volume of an ideal gas changes from 1.00 L to 3 .00 L at an initial temperature of 25 C and a constant pressure 1 atm.
Does the carbocation intermediate in the hydrolysis of 2-bromo-3-methylbutane rearrange by way of a hydride shift, methyl shift, or neither
The increase in the rate of reaction with temperature is due to A. increase in the number of effective collisions. B. decrease in activation energy.
The ionization constant for the weak acid HA is 4.0 x 10^-8. Calculate the equilibrium concentration of H+, A- and HA in a 0.050 M solution of the acid.
The free energy change of the conversion of tasmainium to bulgarium was - 60 kcal and the enthalpy of the reaction was determined to be - 9.2kcal.
How do the enthalpy of dissolution, the crystal lattice energy, and the solvation energy of the two salts relate to these experimental observations?
A 6.11 g sample of Cu---Zn alloy reacts with excess aqueous HCl producing 1.26 L of H2(g) at 22.0 degrees C and 728 torr. Since only the Zn portion of the alloy reacts, calculate the percent Cu in the alloy.
according to the ideal gas law a 10.0 mol sample of methane gas in a 0.815 l container at 503 k should exert a pressure
a Oxygen is a common oxidizing agent in nature. What changes in the oxidation number of oxygen must occur if it is to be an oxidizing agent? explain
the solubility of oxygen in lakes high in the rocky mountains is affected by the altitude. if the solubility of o2
What is the boiling point of a solution made by adding 6.79 g of magnesium chloride to 242.0 g of water?
How much heat is absorbed when 28 grams of H2O is converted into steam at 100 degrees C?
A miniature volanco can be made in the laboratory with ammonium dichromate. When ignited, it decomposes in a fiery display. (NH4)2Cr2O7(s) ? N2(g) + 4 H2O(g) + Cr2O3(s) If 0.95 g of ammonium dichromate
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