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A student gains 1.3 lb in two weeks. How many grams did he gain?
A unit cell for a compound of copper and gold, determine the formula for the compound. Show all work / calculation in determing this formula.
A 50ml sample of a white dinner wine required 21.48 ml of .03776 M NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (150.09g/mol) per 100 ml.
Consider a reaction of the type aA--->products in which the rate law is found to be rate=k(A)3 If the first half of the reaction is found to be 40 seconds what is the time for the second half life
Write equations for the reaction of the glyceride written in question 1 above with each of the following: a. an aqueous solution of sodium hydroxide b. hydrogen in the presence of a catalyst and at elevated temperature and pressure c. a 5% solutio..
Na+ cations have been successfully trapped into such capped carbon nanotubes. Explain what the frequency for the transition is between the two lowest energy states for a Na+ cation trapped in a CNT 2.0 cm long
A sample of indium sulfate, In2(SO4)3, contains 0.0446 moles of oxygen. What mass of indium is present?
What is the formal charge of the N atom in the correct or best Lewis structure for CN-?
Calculate the equilibrium constant (Keq) for the reaction of equimolar amounts of acetophenone and sodium hydroxide to generate the enolate.
the secondary bonding of gas molecules to a solid surface is a common mechanism for measuring the surface area of
Explain what is the pH of 355.0mL of an aqueous solution containing 0.607 g of the strong acid trifluoromethane sulfuric acid (CF3SO3H)
1. Calculate and compare the KE of a 60 g tennis ball at 150 mph with the KE of a 200 g softball thrown at 60 mph (miles per hour).
A 0.1502M solution is diluted by taking 5.00 mL of it and adding enough distilled water in a Volumetric flask to make 25.00 mL of solution. Calculate the molarity of the new solution
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