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A voltaic cell is based on a Co2+(aq)|Co(s) half-cell and an AgCl(s)|Ag(s) half-cell. Calculate the standard cell potential.
Consider the following reaction at equilibrium. What effect will increasing the volume of the reaction mixture have on the system
Patients with a high body temperature are often given "alcohol baths." The heat of vaporization of isopropyl alcohol (rubbing alcohol) is 159 cal/g. How much heat is removed from the skin by the evaporation of 190g about 1/2 cup) of isopropyl alco..
Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures, including hydrogen atoms, for the formula.
A system absorbs 295 kJ of heat and the surroundings do 177 kJ of work on the system. What is the change in internal energy of the system?
Naturally occurring gallium consists of two isotopes. One of those isotopes is 71Ga with an isotopic mass of 70.9247050 amu and an abundance of 39.892%. What is the mass number of the other isotope
Does the type of fat used to make soap result in soap with different properties. What is the best choice of fat to use and why
Given stock solutions of 0.02 M tris pH 7.4 and 4 M NaCl, how would you prepare 10.0 ml of a 0.5 M NaCl, 0.01 M tris pH 7.4 (how many ml of tris, how many ml of NaCl, how many ml of water)
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2).
Assume the eccentric professor has a daily special request for her coffee. She likes to have the 250.0 mL of coffee frozen at -15.0°C overnight and then want it heated to 95°C when she gets there in the morning.
A hypothetical salt AxBy crystallizes in the cubic syatem. The unit cell mass has atoms of A at each corner plus on at (1/2,1/2,/1/2) and atoms of B at positions (0,1/2,1/2).
Calculate the total amount of caffeine that can be extracted into three portions of methylene chloride. Caffeine has a distribution coefficient of 4.6, between methylene chloride and water.
if 6.73 g of NaCo3 is dissolved in enough water to make 250. mL of solution what is the molarity of the sodium carbonate ?
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