For the reaction shown, calculate how many grams of oxygen form when each quantity of reactant completely reacts. 2KClO3(s)→2KCl(s)+3O2(g)

a) 2.57g KClO3
b)0.345g KClO3
c)86.4 kg KClO3
d)29.7 mg KClO3

What layer of the atmosphere is directly above the troposphere?

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give