A student is asked to measure the time taken for 4.00 g of magnesium carbonate to react completely with 25.0cm3(an excess)of dilute hydrochloric acid. Which pieces of apparatus does the student need?
A balance, clock, pipette
B balance, clock, thermometer
C balance, pipette, thermometer
D clock, pipette, thermometer

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Find the number of moles of argon in 364g of argon.

Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a.oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.