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Sodium metal reacts violently with water to form NaOH and release hydrogen gas. Suppose that 10.0g of Na react completely with 1.00L of water and the final solution volume is 1.00L.
a. What is the molar mass of NaOHb. Write a balanced equation for the reaction.c. What is the molarity of the NaOH solution formed by the reaction.
determine the specific heat of anbsp metal object of 19 grams that is heated to 96 degrees celsiusnbsp and added to a
When radiation of a wavelength 2.45 x 10^-7 m falls on metal surface, the maximum kinetic energy of the emitted electrons is found to be 6.73 x 10^-19. What is the value in J of the work fuction of the metal
Oxygen has three naturally occurring isotopes (o-16,o -17, and o-18). The mass and natural abundance of o -16 are 15.9949amu and 99.76% , respectively. The mass and natural abundance of o-17 are 16.9991amu and 0.038% , respectively.
Caffeine is made up of 49.5% C, 5.2% H, 16.5%O, and 28.9% N. A solution made up of 8.25g of caffeine and 100.0 of benzene (d=0.887g/ml) freezes at 3.03C.
How can their efficiency be less than 100% and the Law of Conservation of Energy still be valid? An incandescent light bulb functions because of the flow of electric current. Does the incandescent light bulb convert all of the electrical energy to..
Calculate the change in the standard molar entopy for the formation of gaseous nitrogen dioxide from gaseous nitrogen and gaseous oxygen.
emitted into the atmosphere. The half-life of krypton-85 is 10.76 years. What fraction remains after 25 years?
1.00 x 10-2 M Mg(NO3)2 and 250 ml of 1.00 x 10-1 M NaF.Calculate the concentrations of Mg2+ and F- at equilibrium with solid MgF2 (Ksp of MgF2 = 6.4 x 10-9).
The pH of a solution containing equal concentrations of a weak acid and its salt is found to be 5.1. What is the Ka for this acid
What is the de Broglie wavelength (in nm) associated with a 2.50-g Ping Pong ball traveling 35mph?
maleic anhydride gives a compound A that undergoes acid-catalyzed dehydration to give 3,6-dimethylphthalic anhydride.
Helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through
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