How much energy is released when 59.7 grams of methane (ch4) reacts with oxygen?

How have the greenhouse gasses increased from the year 2000 to 2018

Draw the structure for 5-isopropyl-2-methyl-3-nonene

Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.