What is the mole ratio of NO2 to O2

Ionic formula for chromuim 3 fluoride

A 248-g piece of copper is dropped into 390 mL of water at 22.6 °C. The final temperature of the water was measured as 39.9 °C. Calculate the initial temperature of the piece of copper.

Various pieces of safety equipment are used in the lab to provide protection against injury. What piece of lab safety equipment is least likely to be used if proper eye goggles are being worn?

Use the rate constants for the forward and reverse reactions to determine whether reactants or products are favored at equilibrium in this case: kforward Keq = kreverse When Kea < 1, the equilibrium lies to the left (reactants are favored).

In a fission reaction, how does the number of reactants compare to the number of products? A. There are more reactants. B. There are fewer reactants. C. The number of products and reactants is the same. D.

Convert 970. mm Hg to atm.

The addition of a catalyst in a chemical reaction (A) increases the concentration of products at equilibrium. (B) increases the fraction of reactant molecules with a given kinetic energy.

Is fire hot or cold?

In Flask A, you reacted 7.23 g Mg with 1.05 mol HCl. In Flask B, you reacted 1.22 g Mg with 1.35 mol HCl. Which balloon will inflate the most?

I have 2 electrons is the first shell, 8 in the second, and 6 in the third