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Given stock solutions of 0.02 M tris pH 7.4 and 4 M NaCl, how would you prepare 10.0 ml of a 0.5 M NaCl, 0.01 M tris pH 7.4 (how many ml of tris, how many ml of NaCl, how many ml of water)?
How many mL of .150M bacl2 are needed to react with 35mL of .200M na2so4? How many grams of BaSO4 will be formed?
Explain in your own words why an organic chemist would say structure determines properties.
write the chem equation for the reaction which occurs when nickel metal is added to nitric acid.
An unknown metal hypochlorite salt, M(ClO)2, is subjected to analysis by iodometric titration: the salt is dissolved in dilute sulfuric acid, treated with excess aqueous KI, and then titrated with Na2S2O2 in the same manner as in your experiment
write a electrn configuration for an octahedral complex, write the electron configuration for [RhCl6]^-3 in terms of MO labels for ground electronic state.
The pKa's of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0, respectively.
Without consulting the table of acid-dissociation constants, match the following acids to the given Kal values. Drag the appropriate items to their respective bins.
What concentration of glucose will be isotonic with 1.2% CaCl2 solution? Assume a van't Hoff factor of 2.8 for the CaCl2 solution. The molar masses of glucose and CaCl2 are 180.2 g/mol and 111.0 g/mol, respectively.
Suppose a hydrogen-oxygen fuel-cell generator was used to produce electricity for a house. Use the balanced redox reactions and the standard cell potential to predict the volume of hydrogen gas (at STP) required each month to generate the electric..
The charcoal from ashes found in a cave gave 3.34 14C counts per gram per minute. wood from the outer portion of a growing tree gives a comparable count of 16.0. The half life of 14C is 5700 years. How old are the ashes
A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature ..
What is the phosphoanhydride bond on the NADH structure? Although NADH and ATP both have phosphoanhydride bonds
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