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What is the binding energy for a beryllium-9 nucleus? What is the binding energy, , for a beryllium-9 nucleus in ? Recall that . 1mev=1.60 x 10^-14
An aqueous solution of methylamine (CH3NH2) has a pH of 10.68. How many grams of methylamine are there in 100mL of the solution
Refrierators are usually kept at about 5 degrees Celcius, while room temperature is about 20 degrees Celcius. If you were to take an "empty" sealed 2 liter soda bottle at room temperature and place it in the fridge, would you expect it to contract..
methane the principal component of natural gas is used is used for heating and cooking. The combustion process is CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l). If 12.1 moles of CH4 react with oxygen, what is the volume of CO2 (in liters) produced at 21.5 d..
Calculate the pH at each of the following points in the titration of 50 mL of 0.2000M acetic acid using 0.222M NaOH. Ka= 1.8 x 10^-5 (show work)
Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary.
Assume you place 0.167 grams of a gaseous compound in a 0.346 Liters flask. It exerts a pressure of 0.427 atm of 30 degrees Celsius.
What is the pH of a 1L buffer containing 1.5M Acetic Acid and 1.0M Sodium Acetate? What is the pH of the buffer when 0.5 moles of NaOH is added to solution? Assume no change in volume.
A pound of coffee beans yields 40 cups of coffee (4 cups = 1 ). How many milliliters of coffee can be obtained from 1.0 of coffee beans?
an ideal gas originall at 0.85 atm and 65 degrees celcius was allowed to expand until its final volume pressure and temperature were 94 mL, 0.60 atm, and 47 degrees celcius respectivily. What was its inital volume?!
Consider 4.30 L of a gas at 365mmHG and 20 C. . If the container is compressed to 2.70L and the temperature is increased to 31 C, what is the new pressure,P2 , inside the container? Assume no change in the amount of gas inside the cylinder.
If 1.19 mL of a 1.4 x 10-5 M stock solution is pipette into a test tube, and 8.81 mL of water is added to the test tube and mixed, what is the concentration of the new solution in the test tube?
What are the experimental conditions of T and P that willbe used to calculated the mass of air in the flask? b) Calculate the density of air at the experimental conditiosnidentified in part a. c) Calculate the mass of air in the flask before the liqu..
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