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What is Structure property relationship of carboxylated nitrile butadiene latex?
The arrangement of the orbitals is the same in a multielectron atom and a single-electron atom. In the Li atom, the 3s, 3p, and 3d orbitals have different energies. The He atom has one electron each in 1s and 2s orbitals.
Given the subsequent data for the length of a side of the unit cell for compounds that crystallize in the rock salt structure, find out the cation radii: MgSe (545pm), CaSe (591 pm), SrSe(623pm), BaSe (662 pm). It is known that the Se2-ions are in..
An 18.0-g sample of magnesium is completely burned in the presence of air to form magnesium oxide. What is the mass of the magnesium oxide obtained?
The white precipitate obtained when cold HCl was added to an unknown solution was completely insoluble in both hot water and NH4OH
Which of the following substances can act as a Bronsted acid in aqueous solution? (Select all that apply.)
In a certain experiment, 2.00 g of NH3 reacts with 2.50 g of O2. a) How many grams of NO and of H2O form? b) how many grams of excess reactants remain after the limiting reactant is completely consumed
The freezing point of blood is -0.52C. (a) What is the osmotic pressure of the blood at 25C? (b) What is the vapor pressure lowering of the blood at this temperature?
Nutritional tables give the potassium content of a standard apple (3 apples/lb) as 159 mg. How many grams of potassium are in 5.46 kg of apples
A 0.01M solution of acid HAS, has a ka=1.6 x 10-10 and a concentration of NaAS of 1.29 x 10-3 molar; (a) what is the pH of this solution and (b) what is the pkb of the conjugate base of HAS
0.45 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
Aside from the hazards associated with handling bromine, what is the advantage of generating bromine in this fashion as opposed to adding bromine directly to the reaction mixture.
A scuba diver with a lung capacity of 5.2 L inhales a lungful of air at a depth of 45 m and a pressure of 5.5 atm. If the diver were to ascend to the surface (where the pressure is 1.0 atm) while holding her breath.
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