Given the balanced equation representing a reaction:

F2 (g) + H2 (g) = = > 2HF (g)

What is the mole ratio of H2 (g) to HF (g) in this reaction?

(1) 1:1 (3) 2:1

(2) 1:2 (4) 2:3

Describe characteristics of different climate zones as they relate to latitude, elevation, and proximity to bodies of water. (science)

Which compound has the atom with the highest oxidation number? a. cas b. na3n c. mgso3 d. al (no2) 3?

A block of ice has a weight of 35 g. if the block of ice is broken into three pieces, what is the weight of the three pieces combined?

When oxygen and calcium form an ionic bond, what is the formula? o2ca2 oca ca2o2 cao

How many carbon atoms C3H8 has 3.92 X 10^24 H atoms

Why is uranium 235 the most commonly used isotope for nuclear fission in current uses in nuclear power generation?

Based upon the pH scale, a vegetable with a pH of 5.3 would be

How many grams of Cl are in 535 g of CaCl2?

2. An object experiences an acceleration, g, when it is on the surface of a planet of radius R. What will be the acceleration on the object after it has been moved to a distance of 4R from the center of the planet? A) 168 B) 48 C) 1/4 g D) 1/16 g

For a successful TLC experiment, you need to pay attention to the details. From the list of instructions and tips below, select the detail that is NOT important to a TLC experiment. O O Do not disturb the developing chamber.