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A mixture of 2.0 mol of H2 (g) and 1.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 25 C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.
A Newman projection is given for six conformations about the C2-C3 bond of isopentane. On the curve of potential energy versus angle of internal rotation for isopentane, label each energy maximum
A mixture of SO2, O2, and SO3 at 1000 K contains the gases at the following concentrations: [SO2] 5.0 x10-3 M [O2] 1.9 x10-3 M [SO3] 6.9 x 10-3 M Is the reaction at equilibrium
Calculate the volume of a .850 M KOH solution necessary to neutralize 25.00 mL of 1.500 M solutions
How do standard additions and calibration curves differ in quntification? What are the advantages and disadvantages of each?
Aqueous solutions of each of the following salts {sodium acetate, sodium phosphate, sodium formate, and sodium carbonate} have a pH that is > 7. The reason for this is that the anion undergoes a so-called "hydrolysis reaction".
A patient needs 2.40×10-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
Glucose is pumped into some animal cells by a symporter powered by simultaneous entry of Na+. The entry of Na+ provides a free-energy input of 10.8 kJ/mol under typical cellular conditions (external [Na+] = 143 mM, internal [Na+] =14 mM
What is the ratio of ground state energy of atomic hydrogen
Determine the pressure (in atm) inside the can if a metal can of 1.00 qt contains 0.150 grams of Helium at a temperature of 20 degrees Celsius also explain Is this pressure greater or less than standard atmospheric pressure?
if 100 ml of 3m hcl is spilled on a lab bench, what is the minimum mass od sodium bicarbonate that must be used to neutralized the acid?
A solution containing 80. G of NaNO3 in 75 g of H2O at 50°C is cooled to 20°C. How many grams of NaNO3 remain in solution at 20° C?
Calculate the equilibrium constant Kp for synthesis of HCl at 298 H2+Cl2------>2HCl
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