Bill dropped in to see Sarah. How long is it appropriate for him to stay?

15 minutes

30 minutes

one hour

Find molarity of 29.1 g LiClO4 · 3 H2O in 235 mL of solution

Which of the following forces causes comets to regularly return to the inner solar system after being gone for many years? A. gravity B. friction C. electromagnetic force D. magnetism

Look up the diameters for lithium, sodium, potassium, and cesium atoms. what is the relationship between the atomic number of the element, and the diameter of its atoms? answer

Habitat loss due to the increasing human population has caused A. the number of extinctions to decrease B. reductions in endangered species C. increased biodiversity D. decreased biodiversity

Why is polymerization a type of addition reaction

What is the Celsius equivalent of 212°f

Identify the characteristics of tornadoes and hurricanes

When magma intrudes parallel to another rock layer, the formation is called a (n) A. sill. B. dike. C. extrusion. D. unconformity.

What is the net amount of energy released when 1 mole of H2O is produced

Why is Sn (SO4) 2 named Tin (IV) Sulfate and not Tin (II) Sulfate?