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If the Ka of a monoprotic weak acid is 2.0x10-6, explain what is the ph of a 0.16 M solution of this acid?
Carbohydrates, lipids, and proteins! Take a look around your home. Describe an example of a carbohydrate, lipid, and/or protein found in your home.
Explain what type of electromagnetic radiation would an electron in a hydrogen atom emit as it returns from an infinity excited state to the ground state
orbits around a definite point in space made of neutrinos and electrons D) is not a definite point in space, but rather it is a cloud of smaller particles called quarks that deflect alpha particles
describe the use of light absorbing reagents in amino acid chromatography.what are these reagents used for?name two
What is the solubility of M(OH)2 in pure water. B. What is the solubility of M(OH)2 in a .202 M solution of M(NO3)2? Ksp=5.45E-18
An excess of zinc metal reacts with 500. mL of 12M hydrochloric acid and produces 48.8 L of hydrogen gas at 20 degrees C and 750 torr. a)Determine the mass of zinc metal reacted b)Determine the percent yield for the reaction
a 2.00 g peanut is burned in a bomb calorimeter containing 1400 g of water. the temperature of the water increases from
Calculate the wavelength (nm) of the photon absorbed when the electron goes from a n= 2.00 energy level to a n= 5 energy level.
If you trap 16 grams of Oxygen gas over water at a temperature of 66OC in a container that is 2.69 liter, what is the partial pressure of the oxygen and what is the volume for just the oxygen without the water
Carbon-dating evaluates the ratio of radioactive carbon-14 to stable carbon-12. Given the amount of carbon-12 contained a measured sample cut from the document, there would have been about 1.3 × 10-12 grams of carbon-14 in the sample when the parc..
A solution is made by mixing exactly 500 mL of 0.180 M NaOH with exactly 500 mL of 0.100 M CH3COOH. Calculate the equilibrium concentration of the species
the compound L-erythrose 4-phosphate was dissolved in 20 mL of chloroform and the solution was placed in a cell with a 20.0 cm path length, an observed rotation of 100? was found. Calculate the specific rotation, [?]D for L-erythrose 4-phosphate? ..
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