What tool do scientists use for exploration on other planets

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6