Which is a complete sentence? A. From someone I didn't know and from a country I had never visited. B. Mark rolling out the doug
h and the student greasing the pan. C. Following directions being essential for proper assembly. D. For once, the whole family, including all the aunts, uncles, and cousins, was together.
A is the complete sentence because it has verbs and in the right spot too. <span>B is missing the verb "is" before "rolling". C is missing the verb "are" before "being". D has the wrong tense of the verb "was" in the end. It should be "were" because it refers to more than one person.
A vessel of volume 22.4l contains 2.0 mol hydrogen and 1.0 mol nitrogen at 273.15k. calculate (a) the mole fractions of each component, (b) their partial pressures.
