Benzaldehyde, c6h5cho, has a normal boiling point of 179.0 ∘c and a critical point at 422 ∘c and 45.9 atm.

estimate its vapor pressure at 139.0 ∘c.

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false