A5.0 - gram sample of zinc and a 50.-milliliter sample of hydrochloric acid are used in a chemical reaction. which combination of these samples has the fastest reaction rate?
1. a zinc strip and 1.0 m hcl (aq)
2. a zinc strip and 3.0 m hcl (aq)
3. zinc powder and 1.0 m hcl (aq)
4. zinc powder and 3.0 m hcl (aq)

It is 3) zinc powder and 1.0M HCL (aq)

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.

Niye yedi puan mal oglu mal