What is the density of iridium metal? (Ir: 192.2 g/mol; face-centered cubic with 3.83x10^-8 cm edges).

Hydrogen gas is always written as h2 in chemical equations. what term is used to describe the 2 in this formula? a. product b. subscript c. reactant d. coefficient

Imagine you go outside, and you feel warmth. What causes you to feel warm?

What is the rate of law for O (g) + O2 (g) = O3 (g) ?

What are some heart problems that heavy drinking can lead to

5.0 mL of 0.050 M Ba (NO3) 2 M and 100.0 mL of 0.10 M KIO3 are added together in a 250 mL erlenmeyer flask. In this problem, ignore ionic strength effects and neglect the possible presence of any complex ions in solution. a.

At 25°C 12 M H202 is decomposed after 30 minutes the concentration of the H2O2 is found to be 9.5 M what is the average reaction rate for this decomposition reaction.

Give an example of a solution that can be seperated by simple distilation.

What is the h + concentration for an aqueous solution with poh = 3.35 at 25 ∘c? express your answer to two significant figures and include the appropriate units?

What information does a phase diagram give

Which cell structures function like power plants for plant or animal cells? A. nuclei B. vacuoles C. ribosomes D. mitochondria