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One mole of a gas obeys van der waals equation of state that is permissible to expand isothermally from v1 to v2. Compute ΔA for one mole of ammonia from 0.5 to 10 liters at 300k.
The temperature in the freezer compartment of a household refrigerator is kept at 0 F. On a summer day the ambient temperature is 92 F. The effective performance factor for the refrigerator (qc/w where qc is the heat removed from the frozen food c..
Estimate the pH, and the concentrations of all species in a 0.300 M phosphoric acid solution. pKa1: 2.16 pKa2: 7.21 pKa3: 12.32 Hint: Convert the pKa values to Ka values
if the gas was not pure butane but 10 mole percent propane and 90 mole percent butane then determine how would the mw
Compute the pH of a solution made by mixing 67 grams of sodium acetate, NaCH 3 COO, to 37 g of acetic acid, CH 3 COOH, and dissolving in H 2 O to form 300. mL of solution ?
The density of aluminum is 2.702 g/cm3. What is the final liquid level of water if 1.130 ounces (oz) of aluminum is dropped into a graduated cylinder containing
Sodium azide, NaN3 , is made for use in car 'air bags'. When this compound is heated to 300 degrees celsius, it rapidly decomposes into its elements.
If I mix 11.0 g of sulfuric acid in 1 L of water and add 5.00 g of lead, what would be the equilibrium concentration of hydrogen gas if the total volume in the beaker is 2 L
On top of one of the peaks in Rocky Mountain National Park the pressure of the atmosphere is 500. torr. Determine the boiling point of water at this location. The heat of vaporization of water is 40.7 kJ/mol.
What mass of Li2S is needed to prepare 300. mL of a solution having a litium ion concentration of 0.050 M
When runners or other athletes practice at high altitudes pressure is reduced. What then will be the effect on the [O2] in their blood? Why does this produce a lightheaded feeling?
The density od acetic acid is 1049.2kg.m-3. the data gathered in the experiment is recorded below. Calculate the volume percent od acetic acid in vinegar.
the basketball player liks to release his foul shots with an initial speed v023.5 ftsec. what values of the initial
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