24.08 x 1023 atoms of boron (b) is equal to how many moles of boron? 5 b 10.81 boron a. 2 moles b. 4 moles c. 12 moles d. 6.02 x 1023 moles

Write the balanced equation, then outline the steps necessary to determine the information requested in each of the following: (a) The number of moles and the mass of chlorine, Cl2, required to react with 10.

What force pulled the solar system together

If a gas is in a container that has a volume of 1.5 liters, what is the volume of the gas?

As an instructor is preparing for an experiment, he requires 225 g phosphoric acid. The only container readily available is a 150-mL Erlenmeyer flask. Is it large enough to contain the acid, the density of which is 1.83 g/mL?

The atoms of the compound methylhydrazine, ch6n2 which is used as a rocket propellant, are connected as follows: the structural formula of methylhydrazine what do you predict for the ideal values of the c-n-n and h-n-h angles, respectively?

Using the periodic tables, identify the heaviest member of each of the following groups: (a) alkali metals (b) chalcogens (c) noble gases (d) alkaline earth metals

Select the best answer for the question. 13. Which statement accurately describes the relationship between mass and weight? A. An object with twice the mass of another object will weigh twice as much B.

Which of the following accurately describes carbon atoms? A. When carbon atoms bond to other carbon atoms, they can only form triple bonds. B. Carbon atoms can bond to other carbon atoms. C.

On a separate sheet of paper, write the formulas for each of the following, complete and balance 1. iron + copper (II) sulfate 2. potassium chloride + mercury (I) sulfate 3. sulfur + oxygen

Match the substance with its chemical formula. 1. H + hydroxide ion 2. H3O + hydronium ion 3. OH - hydrogen ion