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If 50.0 mL of 10 degrees Celcius water is added to 40.0 mL of 65.0 degree Celcius, calculate the final temperature of the mixture assuming no heat is lost to the surroundings including the container.
When ammonia is added to nickel ions in aqueous solution, the water molecules bound to the Ni2+ are replaced by ammonia molecules.
a flask contains 30mL of 0.16 M phosphate buffer that has a pH of 7.1. what volume of 0.06M NaOH should be added to increase
A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH).
Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2
saturated steam at 300degc is used to heat a counter-currently flowing stream of methanol vapor from 65deg c to 260degc
A bicycle tire is filled with air to a pressure of 610kPa, at a temperature of 60.5oF. Riding on asphalt on a hot day increases the temperature of the tire to 58.0oC. The volume of the tire increases by 4.0%. What is the new pressure in the tire
If during the course of the reaction, the vessel is found to contain 7.00 mol of C, 14.1 mol of H2O, 3.00 mol of CO, and 8.60 mol of H2, what is the reaction quotient Q?
A very crude model of the buckminsterfullerene molecule (C60) is to treat it as a collection of electrons in a cube with sides of length equal to the mean diameter of the molecule (0.7nm)
at 350 degrees celcius and 200 atm the % yield is 50%. Calculate how many grams of N gas are required to produce 25.000g Ammonia
What is the mechanism of addition of chlorine to ethene. Sustitution of chlorine in benzene
A+2B 2C Kc=2.93 2C D Kc=0.288 calculate the value of the equilibrium constant for the reaction. D A+2B
A quantity of 7.48g of a compound is dissolved in water to make 300 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27 Celsius. Calculate the molecular weight of the compound.
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