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A 47.5 g sample of metal was heated to 100 degrees C and then poured into 100 g of water at 24.0 degrees C. The temperature of the resulting mixture was 28.0 degrees C.
a.) Calculate Delta t for the water and for the metal _________degrees C Delta t water _______ degrees C delta t metal
b.) How many joules of heat did the water absorb?
The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
If 10g of na2s2o3 are reacted with 10g of agbr, what would be the maximum yield of nabr and which is the limiting reagent, if any?
An alcohol is 12.61 percent Hydrogen, 37.47 percent Carbon, and 49.92 percent Oxygen by mass. Determine the empirical formula of the alcohol.
what is the actual yeid of bromobutane with the area of 750 and a theriotical of 100%
A tank containing carbon dioxide at 400K and 50 bar is vented until the temperature in the tank falls to 300K. Assuming there is no heat transfer between the gas and the tank
What is the theoretical yield and percent yield for this reaction under the given conditions?
Molarity is only one of many ways to express concentration. Another is percent mass per volume or %(m/v). For example, vinegar usually contains about 5 %(m/v) acetic acid(5g acetic acid/100 mL vinegar)
What is the structure for the indole that would be obtained from the phenylhydrazone
Indicate what precipitates, if any, form when solutions of each of the following are added to a solution containing the Group I cations.
Determine the boiling point of a solution of 22.5 g of fructose, C6H12O6 , in 294 g of phenol.
What term describes a solution in which the solute concentration exceeds its equilibrium concentration under the prevailing conditions?
How many moles of PbI2 are formed? What is the concentration of KNO3? What is the remaining concentration of the reactant that was in excess?
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