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Write nuclear equations for electron capture by the following radioisotopes. 1. 62/30 Zn 2. 110/50 Sn 3. 40/19 K
Why do aldehydes undergo nucleophilic addition faster than ketones? Explain based upon the transition state (applying Hammond's principle) and electronic and steric actors.
How many mL of a .1 N solution of NaOH must be added to a 25 mL solution of .1 N HAc to obtain a pH of 9.75? What is the concentration of HAc at this pH
A 41 kg person drinks 280. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work,
How does an increase in pressure effect the solubility of a gas in a liquid. A. As pressure increases, gas solubility increases. B. As pressure increases, gas solubility remains the same.
To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Calculate how many pounds of strawberries are needed to make a..
What is the volume occupied by 0.265 mol of helium gas at a pressure of 1.32 atm and a temperature of 302 K.
A catalyst decreases the activation energy of a given reaction by exactly 15 kJ/mol. By what factor does the reaction rate increase at 25oC when the catalyst is used. Assume that the Arrhenius pre-exponential factor, A, is the same for the catalyz..
Mass of nitrogen, Suppose 5.0 liters of Nitrogen (diatomic) is at a temperature of 40 degrees C and a pressure of 1.5 ATM
A pot is made out of iron (mass=11 kg and SH capacity of .4498 J/g degree celcius) and you have 1 liter of pure water, starting with H20 at exactly 15 celcius and wanting to get it to boik
What are the RATE LAW and k VALUE (with units) for the reaction? Assume conc. in moles per liter T or F. Feezer burn involves solid water conversion to vapor then back again.
Calculate the hydronium ion concentration and the pH after the addition of 0.25 mL of 0.10 M HCl to each one.
What would be the expected freezing point of a solution made up of 0.4237g of solute dissolved in 27.3g cyclohexane? The solute has a MW of 173.5 g/mol.
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