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Choose all of the processes from below which describe changes which are independent of the path by which the change occurs the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado the energy released by the combustion of a gallon of gasoline the latitude increase experienced by a traveller travelling from Baton Rouge, LA to Anchorage, Alaska the odometer mileage increase observed by a traveller travelling from Louisiana to Canada the heat generated by a chemical reaction carried out at constant temperature and pressure the heat generated by a car engine as it burns a gallon of gasoline the heat generated by a homogeneous gaseous chemical reaction carried out inside of a bomb calorimeter
Hydrogen gas produced in the laboratory by the reaction of zinc and hydrochloric acid was collected over water at 25°C. The barometric pressure at the time was 742.5 mm Hg.
An unknown compound contains only carbon, hydrogen, and oxygen(CxHyOz). Combustion of 5.50g of this compound produced 8.07g of carbon dioxide and 3.30g of water.
The volume of a mass of gas is 950 ml at 700 torr pressure. What volumw will it occupy at 350 torr,the temperature
When 50 mL of 2M HCl(aq) is added to 50 mL of 2M NH3(aq), how much NH4Cl is formed?
There is a mixture that is soluble only in methylene chloride. I wanna run the column in 10% Ethyl acetate/hexanes. Which method of column loading should I use in this case and why?
What is the volume in centimeters cubed of a marble with the diameter of 1.5 cm? Use the formula Volume = 4/3 pi x (radius)3.
calculate the parts per thousand deviation in ml. for the three titrations. b) Would an additional titration be advisable? give a reason?
What fraction of the original reactant concentration will remain after 2.0 hours?
How many moles of N2 are produced by the decomposition of 1.40 of NaN3 ?
What are the concentrations of H2SO4 and H2SO3 in a 25ml solution titrated with .1M NaOH. The first endpoint is reached after 37.89ml of NaOH are added (pH=7) and the second endpoint is reached after 43.57ml of NaOH are added (pH=9.8).
a mixture of methane and ethane is stored in a container at 294 mmHg. The gases are burned in air to form co2 and h2o. if the pressure of co2 is 357 mmhg measured at the same temperature and volume as the original mixture, calculate the mole fract..
find the mass of barium metal(in grams) that must react with O_2 to produce enough barium oxide to prepare 1.0L of a 0.10M solution of OH^-
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