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Coronene is a hydrocarbon that fluoresces. When subjected to combustion analysis, coronene produces 6.25 g of carbon dioxide and .639 g of water. The molar mass of coronene was separately measured to be 300.3 g/mol. From this information, determine the molecular formula of coronene.
Calculate the mass and volume of 150.0 mmol of isopentyl alcohol and the theoretical yield of isopentyl acetate
For each of the following unbalanced equations, indicate how many moles of the second reactant would be required to react exactly with 0.275 mol of the first reactant. Show all work below.
Imagine your small styrofoam cup calorimeter as a model for heat generation and loss in the world. Explain how good is the analogy and why. Explain why can't you use water to put out burning magnesium
determine How many formula units(formula un) of sodium iodide(NaI) are present in 9.54 grams of this compound and also calculate how many gms of sodium iodide are present in 6.07E+21 formula units of this compound.
One enzyme under study in a is peptidylglycine alpha-amidating monooxygenase (PAM). The molecular weight of monomeric PAM is 75,000 g/mol and the enzyme contains 2 copper atoms/enzyme molecule.
Calculate the binding energy per nucleon for 21H and 31H. The atomic masses are 21H, 2.01410 amu, and 31H, 3.01605 amu.
what is the solubilty of O2 at an elevation of 12, 000 ft where the atmospheric pressure is 0.657 atm? Assume the temperature is 25 degrees celsius, and that the mole fraction of O2 in air is 0.209 at both 12, 000 ft and at sea level.
Substance A has a greater molar mass then substance B. Both are nonelectrolytes. If 50 g of substance A are dissolved in 250 g of water in one beaker
The mass ratio of sodium to fluorine in sodium fluoride is 1.21:1. A sample of sodium fluoride produced 36.5 {rm g} of sodium upon decomposition. How much fluorine (in grams) was formed?
a solution is initially 0.050m in acetate ch3coo- kb 5.6 x 10-10. 10.0ml of 0.10 m hcl is added.a write the chemical
The Aerosol containers can be dangerous if they are heated because they can explode. Assume a container of hair spray with a pressure of 2040mm Hg at a T= 38*C id thrown into fire. Suppose T of the gas inside the aerosol can reach 520*C what will ..
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
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