5. Which element, when combined with fluorine, will form an ionic compound? *

a. oxygen

b. bromine

c. potassium

d. nitrogen

6. What is the correct formula for sodium sulfate? *

a. NaHSO3

b. NaHSO4

c. Na2SO3

d. Na2SO4

The following reaction is done at STP: C (s) + 2H2 (g) = CH4 (g) If the reaction produces 145 liters of CH4, how many liters of H2 were consumed?

A solution was made by dissolving 25 g of potassium malonate K2C3H2O4 (MM=180.2 g/mol) in water. The total volume of that solution is 455 ml.

How many grams of chlorophyll are needed to generate an osmotic pressure of 1.55 atm when dissolved in 216mL of an ethanol solution at 298K

What will happen if i shine a laser in a icecube?

Which parameters can you change to affect the rate of the reaction? in alphabetical order, list all that apply to this system.?

Which of the following statements about chemical formulas is FALSE? A) The subscripts represent the relative number each type of atom in the compound. B) The subscripts represent the relative mass of each type of atom in the compound.

The lowest possible concentration of free hydrogen ions is represented by a ph value of

Diseases that are inherited are caused by

Why do many metal ions produce acidic solutions when dissolved in water?

Which property of potential energy distinguishes it from kinetic energy? a. mass b. position c. force d. work and power