Mario wants to split a beam of white light into different colors. which tool will work best?

a.
a prism

b.
a glass window pane

c.
concave lens

d.
convex lens

How many moles of oxygen gas are produced from the decomposition of six moles of potassium

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.

Areaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is: