3) In the combustion reaction of methane gas: CH4 (8) + O2(g) CO2 (g) + 2 H2O (8)
4.0 X 10 exp 23 molecules of CH4 was used. Determine
(a) the moles of CO2 produced
(b) using your answer in (a), calculate the volume of CO2 produced at
STP
(c) the volume of oxygen used in the reaction at STP

What phase of matter has particles that are held together but can flow past each other and takes the shape of a container, filling it from the bottom up?

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)

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?