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What is the PH of 5ml 0.10 M HC2H3O2 + 5ml H2O. Can you also explain how to approximate when finding [H+].
what is the temperature of the air inside of the tire when the pressure increases to 29 psi? Assume tire volume is constant.
Estimate the approximate concentration of a typical enzyme and the number of the enzyme molecules inside each cell? Make any reasonable assumption that will help you calculate the numbers
Gas cylinder A has a volume of 48.2 L and contains N2(g) at 8.35 atm at 25 ºC. Gas cylinder B, of unknown volume, contains He(g) at 9.50 atm at 25 ºC
The following statements describe some physical and chemical properties of sucrose (table sugar). Which response includes all that describe chemical properties, and none that describe physical properties?
Calculate the oxygen content of the plasma in mM! 1 ml plasma dissolves 24 uL oxygen at 38 degrees C if the partial pressure is 103 kPa.
A mixture of NaCl and NaBr has a mass of 2.00 and is found to contain 0.78 of Na. What is the Mass of NaBr in the mixture.
A reaction that occurs with large decrease in enthalpy and small decrease in entropy. D. A reaction that occurs with any size increase in enthalpy and any size decrease in entropy.
The equation for the reaction is 2 NH3 + 3 O2 + 2 CH4 ----> 2 HCN + 6 H2O, What is the percent yield of HCN?
effectively prevents hemoglobin from transporting oxygen to cells. How is the carbon monoxide acting in this process?
In a coffee-cup calorimeter, 1.40 g of NH4NO3 is mixed with 79.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.23°C.
What mass of copper would you expect to be deposited from a copper (II) sulphate solution using a current
A sealed balloon is filled with 2.20 L helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 190. torr and the temperature is -35°C
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