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A 50.0 g sample of liquid water at 25.0 degree C is mixed with 29.0 g of water at 45 degree C. The final temperature of the water is ___________ degree C. The pecific heat capacity of liquid water is 4.18 J/g-K.
A) 32.3
B) 27.6
C) 102
D) 35.0
E) 142
Draw the product obtained when trans-3-octene is treated first with Br2 in CH2Cl2, second with NaNH2 in NH3
What is the change in the internal energy of the system as the system travels down the isotherm from state A to state C? Change in internal energy down the isotherm
Which is the best acid to use in the preparation of a buffer with pH = 9.3?
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops
the gas can be treated as a) an ideal gas, b) a real gas. The critical pressure and critical temperature of propane are Pc = 42.5 bar and Tc=370 K, respectively.
For a hypothetical gas-phase reaction that is second order in A and third order in B, by what factor does the rate change if pA is decreased by 4 times and pB is doubled
An electrochemical cell is constructed with a zinc metal anode in contact with a 0.052 M solution of zinc nitrate and a silver cathode in contact with a 0.0042 M solution of silver(I) nitrate. What is the value of Q to use in the Nernst equation f..
What is the enthalpy change needed to change 1 lb of a water-steam mixture of 60% quality to one of 80% quality if the mixture is at 300 oF
Based on the values of the standard reduction potentials, predict what happens when adding and write the relevant equations. copper to a 1 M solution of nitric acid zinc to a 1 M solution copper to a 1 M solution of hydrochloric acid zinc to a 1 M..
predict the ratio of the two masses of oxygen that combine with a fixed mass of lead to form PbO and PbO2? PbO:PbO2 oxygen mass ratio= ?/?
A 15 L flask containing a sample of nitromethane is filled with O2 and the flask is heated to 100 celcius. At this temperture, and after the reaction is complete
a typical person has 200 mg of cholesterol pr 100 ml of blood. if the total blood volume of an individual is 5 liters
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