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If 100. J of heat energy is applied to a 25 g sample of mercury, by how many degrees with the temperature of the sample of mercury increase? (Specific heat of mercury is 0.14 J/goC)
1.2 mol of helium is mixed with 2.3mol of argon in a volume of 1.0L and a temperature of 25.0 degree C. Assuming that helium and argon are perfect gases, what is the pressure of the mixture
which of the solutions included in this experiment could be used to distinguish between the pairs of solutions. In each case, describe the observations you would make and write a net ionic equation for any reaction that would occur.
What is the relative concentration of the food dye that gives rise to the green color in Monday's dessert compared to Tuesday's dessert.
a polypeptide is subject to the following degradative techniques resulting in polypeptide fragments with the indicated
A cylinder with a moveable piston contains 0.533 of gas and has a volume of 268. What will its volume be if an additional 0.256 of gas is added to the cylinder
The osmotic pressure of blood is 7.7atm at 37 C. A 0.15 m solution of NaCl is isotonic with blood at that tempreture. Explain what molality of MgCl2 would be isotanic with blood at the same temperature?
Draw a molecular orbital diagram for C2 and use it to predict the bond order and magnetic properties for this gas phase diatomic allotrope of carbon.
If the sign for delta G is negative (spontaneous process) and the sign for delta S is positive (more disorder) for both dissolving processes, how could one be endothermic (positive delta H) and one be exothermic
Use the graph from the Introduction that plots the density of ethanol solutions from 20 to 60 mass percent to answer the following questions:
determine the molarity of the naohsodium hydroxide solution. in an acid-base titration 22.13 ml of a sodium hydroxide
Solutions of iron (III) chloride, FeCl3, are used in photoengraving and to make ink. This compound can be made by the following reaction: 2Fe + 3Cl2 --> 2FeCl3
Prepare a table that reports expected values of enzyme velocity (v) at the following substrate concentrations ([s]): 1, 2, 6, 10, 20, 40, 60, 100, 500, 1000, 2400, 5000 (all values are in µM).
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