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Define how bicarbonate buffers aquatic systems against drastic changes in pH. (Illustrate reaction equations)
Explain a simple two-probe measurement of device resistance below its Critical Temperature exhibits a non-zero value. Why does this happen
Explain what are the molecular weight as well as the molecular formula of the compound. The freezing point of pure benzene is 5.48 degrees Celsius as well as it's Kf is 5.12 degrees Celsius/m
What effect does adding an enzyme to a reaction have on this? On delta G? What are the roles of delta G in biochemical reactions (list two)?
what is the mass of iron in grams in the sample? a. 0.000904 g b. 0.0559 g c. 0.904 g d. 1.105 g e. 55.85 g
The heats of reaction for the following combustion reactions were determined experimentally
A set of data gave an average unpopped kernel of 0.12 grams. How many kernels are in a pound of unpopped corn?
Consider the reaction that will take place between (S) -2-bromobutane and sodium azide in DMF. A) What is the product of this reaction (give proper stereochemistry of the product formed)
What is the theoretical amount of oxygen required for the fuel mixture. What amount of air is added to the fuel mixture. How many moles of methane are present in the product gas
The reaction of nickel with concentrated nitric acid, the products are nickel III nitrate, water and nitrogen monoxide, sometimes called nitric oxide. If 250 ml of nitric oxide were collected over mercury at 42C and under a pressure of 745 mm of m..
Based on their reduction potentials, what are the most likely cathode products in the electrolysis of an aqueous solution containing 1M LiCl, 1M FeCl2 and 1M CoCl2
a 12.6 g sample of NH4NO3 is dropped into a constant-pressure calorimeter containing 175 g of water at 23.5 C. What temperature will the water reach, assuming that the calorimeter container does not gain or lose any heat?
An experiment shows that a 248mL gas sample has a mass of 0.433g at a pressure of 745 mmHg and a temperature of 28 degrees C. What is the molar mass of the gas
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