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Using the following equation for the combustion of octane, calculate the heat associated with the combustion of100.0 g of octane assuming complete combustion. The molar mass of octane is 114.33 g/mole. The molar massof oxygen is 31.9988 g/mole.
The second-order reaction, 2 Mn(CO)5 Mn2(CO)10 has a rate constant equal to 3.0 x 109 M-1s-1 at 25°C. If the initial concentration of Mn(CO)5 is 1.0 x 10-5 M.
What volume in liters of 0.94 M KOH solution should be added to a 0.090 L solution containing 9.1 g of glutamic acid hydrochloride
One of the strongest "weak" acids is chloric acid. Its Ka is 1.0. What is the pH of a 0.75M solution of HClO3
How would you find the Ksp of a salt using only molecular weight and solubility?
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell?
List a balanced chemical equation for each of these chemical reaction types and explain how it is used
Explain why is the preparation of allyl napthyl ether under phase transfer conditions not possible starting with allyl alcohol as well as 2-bromonaphthalene
How do soaps work, chemically speaking? Describe their chemical properties and give an example (including chemical formula) of a particular soap.
Calculate the wavelenght of the light emitted when an electron in a one dimensional box of lenght 3.0 nm makes a transition from the n=5 state to the n=4 state.
Consider the reaction between a magnesium atom and a sulfur atom to form magnesium sulfide. Would you expect this reaction to be exothermic or endothermic. Explain
The fat content in milk can be measured by the extration with hexane. a 50.0g sample of whole milk was mixed with hexane and gently stirred.
Question- The mass of a sample of a compound is 7.44g. Of that mass 2.88g is potassium,1.03g is nitrogen and the remainder is oxygen. What is the percent composition of the elements K,N,and O respectively
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