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An unknown metal is found to be arranged in an fcc structure. The density of the metal is 8.91g/cm3 and the edge cell length is 352.4pm find out the molar mass of the metal. Define what is the metal?
Consider what happens when a sample of the explosive TNT is detonated. (a) Is the detonation a spontaneous process (b) What is the sign of q for this process
A solution containing copper(I), nickel, and zinc cyanide complexes was electrolyzed, and a deposit of .175 grams was obtained. The deposit contained 72.8 % Cu,4.30%Ni, and 22.9 % Zn. No other element or compund was released.
predict the products of a reaction of the following acids and bases. will the equilibrium favor the reactants of
The product in the 3rd step of this multi-step synthesis, p-aminobenzoic acid (PABA), was a common ingredient in sunscreen lotions. PABA is such an effective sunscreen due to the many resonance structures that can be drawn for this molecule.
Compute the osmotic pressure in torr of a solution containing 18.75 mg of hemoglobin in 15.0 mL of solution at 25.0oC. Explain the molar mass of hemoglobin is 6.5 x 104 g/mol.
AgCI are insoluble in water. what can we conclude, if anything, regarding the energy required for separating and energy released for solvating the ions. Explain
61.5 mL of 0.11 M sodium hydroxide were needed to completely neutralize 23.7mL of sulfuric acid. Compute the concentration of the sulfuric acid solution
Ammonia and oxygen react to form nitrogen and water. How many grams of N2 can be produced when 6.30g O2 reacts?
Write a balanced equation for the acid-base reaction that occurs when each of the following substances is dissolved in water. Explain why you chose the reaction that you did. Write the expression for K for each reaction. Explain whether K is a Ka ..
used as a fixer in the field of photography. Calculate the percentage composition, by mass, of each element in sodium thiosulphate.
Mixture of low molecular weight alkanes, less than 15 carbons in the molecule;
What will be the final temperature of a 3.5 kg block of aluminium (initial temperature = 22oC) after the addition of 2.9 kJ of energy. Specific heat of aluminium
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