what is the percent yield if 18 grams of water are produced when 4 grams of hydrogen with excess oxygen

A. 17 hope this dudet

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

Matter- occupies space and possesses rest massno matter is the opposite