A stainless steel knife has a mass of 849 grams. It has a density of 7.86 g/cm³. What is the volume of the knife?

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.

The answer should be vaporization 

The formula is (nh4)2co3