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Suppose a cubic piece of uranium metal (s=0.117 J/(gdeg Celsius) at 200 degrees Celsius is dropped into 1.00-L of deuterium oside (heavy water, s=4.211J/(g deg Celsius) at 25.00 degree Celsius. The final temperature of the uranium as well as deuterium mixture is 28.5 degrees Celsius. Specified the desities of the uranium (19.05) g/cm3) and heavy water (1.11 g/mL). Compute the edge length of the piece of cubic uranium.
Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 8.00 g of sodium carbonate is mixed with one containing 4.75 g of silver nitrate.
question explain and show hownbspyou would sythesise the following compounds starting with benzene or toluene and any
how would you change the experimental procedure of the synthesis amp purification of acetylferrocene to synthesize amp
The native conformation of a protein represents the lowest energy state of the polypeptide. Would you expect it to be always true
A soft drink contains 44 mg of sodium in 325 g of {rm H_2O}. What is the concentration of sodium in the soft drink in mass percent?
calculate the delta pH/ delta deg. Celcius for the pH 8.0 tris solution. How accurate was the use of the "pH strip" in determining the pH
Obviously, B has to be part of the reaction. Explain how the rate expression can be zero order in [B] (i.e. changing the [B] does not change the overall rate of the reaction) even though B has to be part of the reaction to make C.
In aqueous solution, classify these compounds as strong acids, weak acids, strong bases, weak bases other. H3PO4, HF, LiOH,
A buffer contains equal amounts of a weak acid and its conjugate base and has a pH of 5.25. Which of the following values would be reasonable to expect for the pH after addition of a small amount of HCl
Describe and explain four ways in which and industrial chemist could increase the yield of nitrous oxide.
estimate the enthalpy of vaporization of water 100 degree celcius from its value at 25 degree celcius (+44.01 kJ mol^-1) given the constant pressure heat capacities of 75.29 kJ^-1mol-1 and 33.55 kJ-1mol-1 for liquid and gas, respectively.
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (80°F)
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