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Determine the final temperature of a gold nugget (mass=376g)that starts at 398 K and losses 4.85 kj of heat to a snowbank whenit is lost. The specific heat capacity of gold is 0.128 J/gC.
Evaluate the electronic configuration for ionization energies of Magnesium, the orbital number in which the electrons are added in phosphorus ion, and the one will lose in the ionization of Alluminium.
A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of Na_3PO_4 will be needed to produce 350 mL of a solution that has a concentration of Na^+ ions of 1.20M
Which of the experimental results for the photoelectric effects suggest that light can display particle-like behavior
The following reaction is second-order with respect to NO(g) and first-order with respect to O2(g). At a given temperature, the rate constant, k, equals 7.4 Å~ 102 M-2s-1.
90-g sample of a large biomolecule was dissolved in 23.0 g of carbon tetrachloride. the boiling point of this solution
solution is needed to just neutralize excess acid after 20 mL of 0.500 M HCL was added to 1.00 g of the antacid, how many moles of acid can the antacid counteract per gram?
Calculate the freezing point of a solution that contains 8.5g of benzoic acid (C6H5COOH, MW=122) in 75g of benzene, C6H6.
1 calculate the heat of combustion for c2h6 from the following informationc2h43o2-gt
Later in the day, 30% of the glycogen is released and runs through glycolysis and the TCA cycle and 40% of gthe glycogen is released to be used in the hexosemonophosphate shunt pathway to create five carbon sugars
It takes 47 mL of 0.124 M KOH to neutralize 47.8 mL of H2SO4 solution. What is the concentration of the H2SO4 solution? Answer in units of moles/liter
acetylene (C2H2) torches are used in welding. How much heat in kJ evolves when 5.0g of C2H2 (d=1.0967kg/m^3) is mixed with a stoichiometric amount of oxygen gas?
You have two gas tanks, one is 7.00 L and the other is 3.50L, and one of the tanks has oxygen in it and the other has acetylene. If the tank wth the oxygen has a pressure of 145 atm, what is the pressure of the other tank?
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