2ch4(g)→c2h6(g)+h2(g) express your answer using three significant figures.

What are the four parts of a swot analysis

Wats iqpow pls write 20 words for an answer

Need will give 100 ! in no less than one hundred fifty words, explain why it is important for engineers to sketch designs and use them to clarify their designs to other people, giving at least three reasons.