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Problem- Calculate the pH of a solution made by mixing equal volumes of a solution of HCl with a pH of 1.44 and a solution of HNO3 with a pH of 2.74. (Assume the volumes are additive)
If possible just a brief explanation how you got the answer?
The work performed by a system against the atmospheric pressure to which it is kept open during an experiment in the lab is equal to.
the molality of a solution is the number of moles of the solute that is dissolved in 1000 g of solvent. using the
A spherical fat cell has a diameter of 2.47 micrometers. The fat cell contains three copies of the protein azurin. What is the molar concentration of azurin within the fat cell
Which of the following buffer systems would be the best choice to create a buffer with the pH= 9.00? For the best system , calculate the ratio of the masses of the buffer components required to make the buffer.
suppose that a sample of gas occupies 73 ml of volume at 25c and a pressure of 266 torr. what would be the volume if
175g of water was heated from 15c to 88c. how many calories were absorbed by the water
What are the steps to drawing the line-bond structure for hexane and how do you know what angle each carbon forms
Explain the octet rule and the duet rule in terms of orbitals. It will be helpful for you to draw out the electron configurations for a few of these elements and examine them.
what is the formula and electron dot structure for
Octane has a density of .692 g/ml at 20 degrees Celsius. how many grams of O2 are required to burn 1.00 gal of C8H18.
At 186 oC the equilibrium constant for the reaction: 2 HBr(g) H2(g) + Br2(g) is KP = 6.56e-11. If the initial pressure of HBr is 0.00753 atm, what are the equilibrium partial pressures of HBr, H2, and Br2? p(HBr) = . p(H2) = . p(Br2) = .
What is the enthalpy of combustion of this fuel in kJ/mol? The specific heat capacity of water is 4.184 J/g-°C.
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