80. Calculate AHıxn for the reaction:

CaO (s) + CO2 (g) → CaCO3 ().

What is a fan-shaped feature at the mouth of a river

A solution of salt (molar mass 90 g mol-1) in water has a density of 1.29 g/mL. The concentration of the salt is 35% by mass. a. Calculate the molality of the solution. b. Calculate the molarity of the solution. c.

How many hydrogen atoms are in Ca (CH₃COO) ₂?

Which gas occupies the highest volume at STP?0.02 mol of O20.1 mol of Cl21 mol of N22 mol of H2

3. Draw a circuit diagram for the circuit in Figure 20.9.

Explain the difference between the literal, supernatural, and psychological levels in a story

List the four (4) ways you can tell that a chemical reaction has occurred.

The Ka of a monoprotic weak acid is 6.07 * 10-3. What is the percent ionization of a 0.179 M solution of this acid?

What does LeChatelier's principal mean

How many milliliters of a 0.7% stock solution are required to make 2 l of 0.2% solution? how many ml of solvent will be required to carry out the dilution?