Glycylserine and serylglycine
What is the structure os glycylserine and serylglycine?
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What is the molarity of ions in a solution formed by dissolving 7.40 of the mixture in enough water to form 600.0 of solution? A mixture contains 76.5% NaCl , 6.5% MgCl2 by mass.
Briefly discuss interpretations of your observations and results. Discuss how your observations illustrated LeChatelier's principle.
What is the enthalpy of vaporization of acetone (CH3COCH3) at its normal boiling point of 56.2?C? The entropy of vaporization
An experiment requires 43.0 of ethylene glycol, a liquid whose density is 1.114 . Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
When sodium reacts with chlorine, 411 kj/mol is released. Calculate the amount of heat released if 1.37 mol of sodium form.
A 0.1946 g piece of magnesium metal is burned in a constant volume calorimeter that has a heat capacity of 1349 J/°C. The calorimeter contains 500 g of water and the temperature rise is 1.40°C. Calculate the heat of combustion of magnesium
Assume you dissolve .297 g of the weak acid benzoic acid in enough water to make 105 mL of solution and then titrate the solution with .141 M NaOH. What are the concentrations of Na+ at the equivalence point?
When 79.272 g of nitrogen gas is reacted with 79.272 g of hydrogen gas, how many grams of ammonia are formed?
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