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.
The correct answer is number 2. It introduces the topic and hooks the audience.
<em>The main purpose of the first paragraph of the speech It introduces the topic and hooks the audience. </em>
The Gettysburg address’ first paragraph, by Abraham Lincoln, introduces the topic and hooks the audience. The phrase that uses Lincoln is a biblical reference to “three score year and ten” which supposedly was the time humanity was supposed to live. Lincoln changed to “Four score and seven years ago…” to start its speech and catch people´s attention.
Answer:
A
Explanation:
I think it will be A, but I'm not sure.
Answer:
B
Explanation:
B. a box crammed with documents
