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Utilize the atomic radius (70 pm) and density of neon at 25 C and 1 atm (.90 g/mL) to Compute the average density of a neon atom
if the reaction between iron iii ion and thiocyanate ion yielded an equilibrium concentration of .15m for each of these
The reaction is first order, and the rate constant is 6.70x10^-4 s^-1. If the initial concentration of cyclopropane is .0577 M, what is the molarity of it after 37.2 minutes?
Vein material consisting of quartz (G=4.48 g/cc) and Barite (g=4.48 g/cc) has a density of 3.60 g/cc. What is the wt % of barite in the vein. What is the wt % of Ba
if 1g of pyrrole and 1g of benzaldehyde are reacted with acid catalyst to form tetraphenylporphyrin what is the
Given mass of a gas 0.26g, pressure is 763mmHg and volume of 147mL.by using an ideal gas law calculate the molar mass of the gas
The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..
Acetic Acid is a weak acid with a Ka value of 1.8x10^-5. What concentrationof acetic acid is needed to produce a [H+] of 3.5x10^-4?
Determine the binding energy of an O-16 nucleus. The O-16 nucleus has a mass of 15.9905 amu, A proton has a mass of 1.00728 amu, a neutron has a mass of 1.008665amu, and 1amu is equivalent to 931 MeV of energy.
Cadaverine, a fould smelling substance produced by the action of bacteria on meat, contains 58.55% C, 13.81% H and 27.40% N. Its molar mass is 102.2 g/mol.
what is the final volume of a 400.0 ml gas sample that is subjected to a temperature change from 22.0 degrees C to 30.0 degrees C and a pressure change from 760 mm Hg to 360 mm Hg
The standard enthalpy of atomization of an element is the energy required to convert one mole of an element in its most stable form at 25 Celsius to one mole of monoatomic gas.
To 500 mL of 0.015M NaOH is added 500 mL of 0.013M HCl. What is the resulting pH of the solution. 1) 8 2) 11 3) 3 4)12 5) 9 The answer: 11 4. When delta G is less than zero for a reaction, the value of K is : Greater than one Why is it so
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