A 1.00 L flask is filled with 1.15 g of argon at 25 ∘C . A sample of ethane vapor is added to the same flask until the total pressure is 1.150 atm . What is the partial pressure of argon, PAr, in the flask?
Express your answer to three significant figures and include the appropriate units.
What is the partial pressure of ethane, Pethane, in the flask?
Express your answer to three significant figures and include the appropriate units.

Asolution of sodium hydroxide was titrated against a solution of sulfuric acid. how many moles of sodium hydroxide would react with 1 mole of sulfuric acid?

What’s the percent by mass of carbon in c10h14n2

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?