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Describe why the noble gases belong on the far right hand side of the periodic table?
air is about 78 nitrogen and 21 oxygen molecules. severalother gases make up the remaining 1.what is the partial
Write the Kb reaction of hypochlorite, OCl-. Given that the Ka valuse for HOCl is 3.0x 10^-8 calculate Kb for OCl-
Compute the pH of a solution formed by adding 14.1 g of baking soda (sodium bicarbonate) to enough water to make a 190.0 mL solution
In combustion studies of the use of H2 as an alternative fuel, HO is sometimes formed in flames by the reaction, H(g) + 1/2 O2(g) HO(g) Use the data below to calculate the value of Kc H2(g) 2 H(g) Kc = 0.00473 1/2 H2(g) + 1/2 O2(g) OH Kc = 0..
The specific heat of fat is 0.45 cal/(g C) and the density of fat is 0.94g/cm^3 . How much energy (in calories) is needed to heat 10cm^3 of fat from room temperature (25 C) to its melting point (35 C).
Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter
Assuming the final mixture has a specific heat capacity of 4.18 J/g*degrees celsius, calculate the final temperature. The enthalpy of fusion for ice is 6.02 KJ/mol.
Benzoic acid is a weak acid that has antimicrobial properties. Its sodium salt, sodium benzoate, is a preservative found in foods, medications, and personal hygiene products. Benzoic acid dissociates in water: C6H5COOH C6H5COO- + H+
Description of Lipids 1) What are the ingredients of a cephalin? 2) Which fatty acid is always unsaturated in a cephalin? Why?
The state function to describe a particle on a sphere is given as Ψ=2sin^2(?)+cos?(θ).calculate the expectation value of its angular momentum about the z-axis, energy and the square of the total angular momentum L^2.
What was the experimentally determined specific heat of lead. You may assume that the heat absorbed by the calorimeter was negligible.
A sample of neon gas used in a neon sign occupies a volume of 1.70 L at a pressure of 580 torr. Calculate the volume of the gas if the pressure in the glass tube of the sign is 781 torr.
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