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Determine the number of bonding electrons and the number of nonbonding electrons in the structure of CS2.
An energy maximum in a reaction-energy diagram would be labeled as which of the following?
if 50.0 mL of 10.0 degrees ceclius water is added to 40.0 mL of 65.0 degrees celcius, calculate the final temperature of the mixture assuming no heat is lost to its surroundings,
The volume of a gas is 93 mL when the temperature is 91 C. if the temperature is reduced to 0 C without changing the pressure, what is the new volume of the gas
The initial temperature is 298k. The diameter of the cylinder is 0.5m. and the piston height is 1m. a. what is the mass of the weights on the cylinder
containing too little oxygen to allow complete combustion of the fuel is called a rich mixture. A high-performance heater that burns propane, C3H8(g), is adjusted so that 100.0 g of O2(g) enters the system for every 100.0 g of propane. Is this mix..
Write equations showing how each of the following weak bases ionizes water to form OH- a) HCO3- b) CH3NH2 Identify all of the phases
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.
calculate the amount in grams of calcium sulfate which is formed when 185 grams of calcium fluoride are reacted with excess sulfuric acid.
Compute the number of moles of H2O will be formed from the reaction 75.1g benzene?
Calculate the volumetric size of a water molecule in vapor, assuming 1 mole of the vapor occupies 22.4 L, as if the vapor were an ideal gas
This solution is then analyzed for nitrate ion by adding iron (II) sulfate solution and more sulfuric acid, heating the test tube and its contents. The nitrate ion reaction is positive.
You have 100 mL of a .10 M Acetate buffer pH 4.75 composed of .050 M Acetic Acid and .050 M Na Acetate. 100 ml of pure water is added and the pH is still 4.75. Use the henderson hasselbalch equation to explain what happened.
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