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1. If the [H3O+] of a solution is0.000005 M, its pH is?
2. Calculate the pH and pOH of a solution that has an OH- concentration of 3.1 x 10-2M
3. Calculate the pH and pOH of a solution that has H3O+ concentration of 1.3 x10-6M
Give the formula of the compound formed from the following elements. (Type your answer using the format CO2 for CO2.) (a) sulfur and cesium (b) sulfur and barium (c) rubidium and bromine
Calculate the energy of a mole of photon with wavelength of (a) 200nm (ultraviolet), (b) 150pm(X ray), and (c)1.00cm (microwave).
A student heated a 25.0g piece of a metal to a temp of 100.0C and placed it in 100.0g of water, initially at a temperature of 10.0C. Determine the final temperature of the system(aluminum and water)
The delta H for the neutralization of NaOH with H2SO4 is -144kj/mol H2SO4. What is the maximum measured temperature in the styrofoam cup
Calculate the wavelength of light required to remove an electron from a ground state hydrogen atom.
Intravenous medications are oftend administered in 5.0% glucose by mass. what is the osmotic pressure of such solutions at 37 C? assume that the density of the soloution is 1.0 g/mL.
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.06 nm. It then gives off a photon having a wavelength of 1.0 × 103 nm.
a solution of silver nitrate can be used to prepare photograpic film. if 50.00 g silver nitrate is used to make 500 ml
A 2.50 liter container is filled with 175g of Argon. If the pressure is 10.0 atm, what is the temperature.part B: If the temperature is 225 K, what is the pressure
The diameter of a molecule is approximately 1x10^(-18) mets. If 1 nm is equal to 10^(-9)m and 10 Ångstroms, what is the diameter of the nucleus in Ångstroms
Calculate the pH of each of the following solutions. a. 2.1x10^-4 M Ba(oH02 b. 7.9x10^-4 M HNO3
A section of membrane with an aquaporin (AQP) has a water transport rate of about 3 billion water molecules per second (3 × 109 molecules·s-1).
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