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Show the bond angles which are at least slightly different that are shown by the H2CCBr2 molecule.
You want to convert 5 mL of 3-methyl-2-butanol to 3-methyl-2-butene by an acid catalyzed dehydration. In order to finalize the experimental details, you look up the physical constants in the CRC Handbook and find the following data regarding boili..
Calculate the Ka for the acid. The initial concentration of the acid is 0.010m?
What are the equilibrium pressures of N2O4 and NO2 when 0.61 mol of each gas are introduced
Suppose that 28g of each of the following substances is initially at 25.0^\circ C. What is the final temperature of each substance upon absorbing 2.30kJ of heat? Express in two significant figures a. Gold b. Silver c. Aluminium d. Water
A star is estimated to have a mass of 1x10^36 kg. Assuming it to be a sphere of average radius 7.5x10^5 km, calculate the average density of the star in units of grams per cubic centimeter.
If the concentration of fluoride in fluoridated drinking water is 1 x 10 ^-5 M and the calcium ion concentration in blood is 2.5 x 10^ -3 M, why is there no danger of CaF2 precipitating in the blood stream, after drinking the water?
the cancer drug cisplatin contains 65% platinum. if you have 1.53 g of compound, how many grams of platinum does this sample contain
Assuming that all of the carbon dioxide ends up in the balloon, what will be the volume of the balloon at a temperature of 24 C and a pressure of 758 mmHg
Compute the number of electrons in a flake of pure gold valued at $0.5. Assume that the price of gold is $1426.0/troy oz.
what mass is grams of potassium chloride is produced if 100. g of potassium chlorate decompose according to the following equation? 2KClO3>>> 2KCl+3O2
How many protons, and how many neutrons are present in the nucleus of each isotope? What is the natural abundance of each isotope, if the average atomic mass of gallium is 69.72 u?
Write the balanced nuclear equation for the formation of 241/95 Am through beta decay
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