Arocket with a single engine is used to carry a small satellite into space. however, now designers want to use a design with a heavier payload to include astronauts and a bigger satellite. besides using an engine that can carry more fuel, what could they do? a. they could use an engine with a greater specific impulse. b. they could use an engine with greater engine specs. c. they could use an engine with greater rocket stages. d. they could use an engine with a greater trajectory.

Ase your answer to this question on the information below. hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant. the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen. chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product. nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change