Why it is advised to use umbrella when you go out in sun

What is the difference between condensation and accretion? a. A particle grows by condensation when it adds matter from a surrounding gas. Accretion is the sticking together of solid particles. b.

Read the list of elements given below. Be, Mg, Ca, Sr Which of the following about the elements is true? All of them are unreactive metalloids. All of them are hard and dense metals.

Volatiles that come out of the Earth as volcanic products a. constitute 50% of most magma. b. were mixed with the molten rock. c. are brought to the surface in "dry" melts. d. often contain little water vapor.

Which coefficients balance this equation? _H2 + _N2 - > _NH3 A. 1, 2, 3 B. 2, 3, 2 C. 3, 1, 2 D. 4, 1, 3

All samples of a given compound, regardless of their source or how they were prepared, have the same proportions of their constituent elements. Which law does this refer to?

What does the orbital tell you about the location of the electron?

If a 1.45 M solution has 2.43 g HCl dissolved, what is the volume of solution? (Change g Hl into mol using molar mass)

Which of the following describes a reaction that reaches equilibrium?

What happens to water during evaporation? A) It turns gas as it cools. B) It turns to liquid as it cools. C) It turns to solid as temperature decreases. Eliminate D) It turns to gas as the temperature increases.

A gas can holds 2.9 gal of gasoline. what is the quantity in cubic centimeters