A chemist mixed two substances together. Their repeating groups of atoms are shown below on the left. After they were mixed, the chemist analyzed the results and found two substances. Did a chemical reaction occur? Is the ending substance the same substance as the blue powder? What happened to the atoms of the starting substances when the ending substances formed? Be sure to explain your answers to both of these questions.

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.

Answeramino acids;

1) according to the law of conservation of mass ,in all chemical reactions total mass is unchanged