Hydrogen peroxide, H, O,,decomposes to produce water and oxygen gas according to the following equation. 2 H2O2(1) + 2 H2O(l) + O2(g) Data were collected determining the concentration of H20, at various times as seen in the table below. Time (s) 0.00 50.0 100.0 150.0 200.0 [H, O,](M) 2.50 1.25 0.625 0.46875 0.3125 Calculate the average rate of change of H,0, between 50 s and 100 s. OM/S Calculate the average rate of change of O, between 50 s and 100 s. OM/s​

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.

Yes, endothermic means it turns cold. and some chemical changes include change of tempature.

No. an alpha particle is a pair of protons and a pair of neutrons, i.e. a helium

The answer is 4 i don't know if its right let me see.