Questions from General Chemistry

Q: For the reaction N2(g) + 3H2(g

For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) K = 1.3 * 10-2 at a given temperature. If the system at equilibrium is analyzed and the concentrations of both N2 and H2 are found to be 0.10 M, what is the...

Q: Calculate the percent by mass of solute in each of the following

Calculate the percent by mass of solute in each of the following solutions. a. 6.11 mg of calcium chloride dissolved in 5.25 g of water b. 6.11 mg of calcium chloride dissolved in 52.5 g of water c...

Q: The equilibrium constant for the reaction 2NOCl(g) ⇌

The equilibrium constant for the reaction 2NOCl(g) ⇌ 2NO(g) + Cl2(g) has the value 9.2 * 10-6 at a particular temperature. The system is analyzed at equilibrium, and it is found that the concentrati...

Q: As you learned in Chapter 7, most metal hydroxides are sparingly

As you learned in Chapter 7, most metal hydroxides are sparingly soluble in water. Write balanced chemical equations describing the dissolving of the following metal hydroxides in water. Write the exp...

Q: Approximately 9.0 * 10-4 g of silver chloride

Approximately 9.0 * 10-4 g of silver chloride, AgCl(s), dissolves per liter of water at 10 °C. Calculate Ksp for AgCl(s) at this temperature.

Q: Mercuric sulfide, HgS, is one of the least soluble salts

Mercuric sulfide, HgS, is one of the least soluble salts known, with Ksp = 1.6 * 10-54 at 25 °C. Calculate the solubility of HgS in moles per liter and in grams per liter.

Q: For the reaction N2( g) + 3H2( g)

For the reaction N2( g) + 3H2( g) 2NH3( g), list the types of bonds that must be broken and the type of bonds that must form for the chemical reaction to take place.

Q: What does the activation energy for a reaction represent? How is

What does the activation energy for a reaction represent? How is the activation energy related to whether a collision between molecules is successful?

Q: What are the catalysts in living cells called? Why are these

What are the catalysts in living cells called? Why are these biological catalysts necessary?

Q: When a reaction system has reached chemical equilibrium, the concentrations of

When a reaction system has reached chemical equilibrium, the concentrations of the reactants and products no longer change with time. Why does the amount of product no longer increase, even though lar...