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1]in a tripeptide of Asp-Asp-Asp, would you predict that the pKa of the middle Asparate to be lower, higher or unchanged? 2]In a tripeptide of Lys-Glu-Arg, would you predict that the pKa of the middle Asparate to be lower, higher, or unchanged?
The water bath conatins 2.90 kg of water at 27.6 degrees celcuis. During the reaction 110 kj of heat flows out of the flask into the bath. Calculate the new temperature of the water bath
CH3COOH (Ka=1.8x10^-5) was titrated with 0.50 M NaOH. Calculate the pH after addition of 30.0mL of NaOH
using 1.16x10^-12 for ksp, calculate how many milligrams of Ag2CrO4 will dissolve in 10mL of H2O
When 284.5 g of ethylene (C2H4) burns in oxygen to give carbon dioxide and water, how many grams of CO2 are formed?
A balloon has a volume of 1.20 at 24.0 degrees Celsius. the balloon is heated to 48.0 degrees Celsius. calculate the new volume of the balloon.
The Apparatus shown consists of three bulbs connected by stopcocks. What is the pressure inside the system when the stopcocks are opened?
What mass of helium gas is needed to pressurize a 112.0 L tank to 262 atm at 25°C?
A steel tank with a volume of 9.583 L contains N2 gas under a pressure of 4.972 atm at 31.8 °C. Calculate the number of moles of N2 in the tank.
Draw the products(if any) expected from the treatment of each of the following compounds with ozone followed by aqueous hydrogen peroxide
IF you want to prepare a solution that is .200 molal in NaNO3, how many grams of the salt would you add to 500 grams of water?
The stock solution is 500 ?g/mL and you want to obtain a final concentration of 1?M. What volume of the stock solution do you need to make 10 milliliters of the 1 ?M solution? Also: What is the molar mass of PMA?
what is the lewis structure and molecular geometry of pernitrate and carbonate ion?
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