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Part 1: Air is a mixture of 78.1% Nitrogen (N2), 20.95% Oxygen (O2), and 0.9% Argon (Ar), and 0.05% carbon dioxide (CO2). What is the mole fraction of nitrogen in air?
Part 2: On a given day, the atmospheric pressure of the air in Utah was 0.802 atm. What was the partial pressure of nitrogen in this air?
Part 3: In Death Valley, temperatures can reach up to 52.1 oC, with air pressures as high as 762.4 mmHg. How many grams of oxygen gas are in 1.89 L of this air, assuming the composition given in part 1?
Using the six criteria, offer your opinion regarding the strength of the relationship between exposure to secondhand tobacco smoke and lung cancer.
What is the heat absorbtion for 100 g liquid water that is frozen to ice at 0 degrees C and 1 atm
copper and nickel can be mixed to form a corrosion-resistant alloy. if a particular alloy is prepared by mixing 11.2
Calculate the freezing point and boiling point of an antifreeze solution that is 50% by mass of ethylene glycol in water. Ethylene glycol is a non electrolyte.
Describe pH in Lewis terms. Review how to calculate pH if the concentration of an acid -pick one - is known.
How much magnesium chloride would you have to purchase to make up 10.0 L of bath water saturated with magnesium chloride
n evacuated 1.00L gas bulb was filled at STP with 1.34g of an unknown hydrocarbon, which was then burned in excess oxygen, completely converting it to Carbon dioxide and 2.41 g of water. What is the molecular formula of the hydrocarbon
I need help writing the balanced formula equation and the net ionic equation for the reaction of sodium hydroxide with hydrocholoric acid.
C2H4+3O2= 2CO+2H2O if 2.70 mol C2H4 is reacted with 6.30 mol O2 a. identify the limiting reagent
compound a is an optically active alcohol. treatment with chromic acid converts a into a ketone b. in a separate
A total of555tickets were sold for the school play. They were either adult tickets or student tickets. There were55more student tickets sold than adult tickets. How many adult tickets were sold?
A first order reaction has a half life of 26.4 sec. How long will it take for the concentration of the reactant to fall to 1/8 of its original value
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