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Determine what would be its temperature after absorption of 9.4 * 10-2 kWh of heat If 1.45 L of water is initially at 25.0 °C,?
hexane has a density =0.6603 g/cm 3 at 20 degree Celsius temperature. If hexane is mixed with H2O, there is a separation of the 2 solvents into 2 layers. Determine why did this separation occur and which solvent would be on top?
Ultra-high-vacuum experiments are routinely performed at a total pressure of 1.0 x 10-10 torr. Calculate the mean free path of N2 molecules and the binary number of collisions, Z11, of N2 molecules (per liter per second) at 350 K under these condi..
neutral compound show traces of an acid as an impurity wheras the acid might not show any traces of a neutral compound?
if 8.6L of H2 reacted with 4.3L of O2 at STP, what is the volume of the gaseous water collected (assuming that none of it condenses)?2H2(g)+ O2(g)--> 2H2O(g
Describe what is meant by an amphoteric species. Write the equation for the self ionization of water and know the ion product constant expression for water and its value at 25 degrees.
Calculate the total concentration of lead dissolved ([Pb]total) in a solution saturated with PbI2(s) and containing dissolved I- with a concentration of [I-] = 0.294 M. The solubility of lead is governed by the reactions shown below.
What is the mass change (in grams) accompanying the formation of CO and H2 in the water gas reaction?
The formula of a complex formed by a reaction such as M + nX = MXn can be determined by the method of continuous variations. The absorbances of a series of solutions of varying composition are measured at the wavelength at which the complex shows ..
emitted into the atmosphere. The half-life of krypton-85 is 10.76 years. What fraction remains after 25 years?
in a patient with insulin-dpendent diabetes mellitus who forgot to administer insulin, you would expect to see all of the following after a high sugar meal except
A 15.0-g sample of a hydrocarbon is placed in a balloon at 1.00 atm and 25°C, and the volume of the balloon is 12.2 L. The hydrocarbon is 79.89% carbon and 20.11% hydrogen by mass.
Write a suitable mechanism for the cleavage of butyl isopropyl ether with HI at 100 degrees C to form exclusively isopropyl alcohol and 1-iodobutane. Explain why butyl alcohol and 2-iodo-isopropane are not formed in this reaction.
what are the various parameters that can be changed performing MASCOT. how could them affects probability score, any one know about this
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