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When 15.0g of fluorite (CaF2) reacts with excess sulfuric acid, hydrogen fluoride gas is collected at 744 torr and 25.5 degrees celcius. Solid calcium sulfate is the other product. What gas temperature is required to store the gas in an 8.63 L container at 875 torr.
A sample of sulfur weighing 0.210g was dissolved in 17.8g carbon disulfide. (Kb= 2.340C/m ) If the boiling point elevation was 0.1070C, what is the formula of a sulfur molecule in this environment
solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer
What total volume of ozone measured at a pressure of 21.0 {\rm mmHg} and a temperature of 227 {\rm K} can be destroyed when all of the chlorine from 12.0 {\rm g} of {\rm{CF}}_3 {\rm{Cl}} goes through ten cycles of the above reactions
Working with Temperature and Gas 1. What is the final temperature if 25 mL of milk 3.0 degrees Celsius is mixed with 150 mL of coffee at 95 degrees Celsius? Start by writing the equation that shows conservation of energy. State any assumptions you..
benzopinacol and benzopinacolone have nearly identical melting points, describe how you might prove that samples of the two compounds are different
The boiling point elevation of a solution consisting of 2.59g of a nonvolvolatile solute in 98.4g of Benzeneis 0.8495 degrees Celsius. What is the molecular weight of the unknown solute
The substituent CH3 is connected to the 'CH' group (i.e. 2nd carbon from the left) instead of the methyl group on the left end
please help me answer these questions thank you inadvance1. when a 9.00 g sample of metal is heated to 100.0 c
What mass of solid sodium formate (of MW 68.01)must be added to 115 mL of 0.57 mol/L formic acid (HCOOH) to make a buffer solution having a pH of 4.16? Ka = 0.00018 for HCOOH.
Determine the molecular weight of a compound given the gas phase data: mass of 11.8 g, temperature of 39.1 C, pressure of 630 torr, volume of 1.31 L.
Comment on whether these are made of the same materials or not, and explain your response. The density is different in each, so they are made of different materials.
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