How many grams of sucrose, molecular mass 342.34 g/mol, are dissolved in water to make 500. ml of a 0.462 m solution?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Draw two cyclic constitutional isomers of cis-1

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.