Which expression can be used to calculate the ratio of the rate of effusion of gas A to the rate of effusion of gas B?

The square root of the molar mass of B ÷ the square root of the molar mass of A

The square root of the molar mass of A ÷ the square root of the molar mass of B

The molar mass of A ÷ the molar mass of B

The molar mass of B ÷ the molar mass of A

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

What layer of the atmosphere is directly above the troposphere?