4. Thinking Critically Applying Concepts

Balance the following chemical equations by

adding coefficients:

a. HCI + NaOH + H2O + NaCl

b. Fe2O3 + C → Fe + CO2

C. SO2 + O2 → SO3

How many grams of sulfuric acid are produced when 68.1 g of lead (II) sulfate react?

Arsenic and bismuth are similar in that they both

75.0 mL of 15.0 M HNO3 was diluted to exactly 500 mL by adding water. What is the final molarity of the diluted HNO3 solution?

Your lab partner accidentally measures out too much of a substance in the lab. when the experiment is complete, you have leftover chemicals. what should you do with these leftover chemicals

What is the lightest element on the periodic table?

What pressure (in atm) will a sample of o2 gas occupy at 100.0 ml, if o2 has a volume of 25.00 ml at 2.0 atm?

What happens when francium and nitrogen are mixed

Which type of chemical reaction occurs in 2KClO3 Right arrow. 2KCl + 3O2

An electrochemical cell is constructed using two half-cells: Al (s) in Al (NO2) 3 (aq) and Cu (s) in Cu (NO3) 2 (aq). The two half cells are connected by a KNO3 salt bridge and two copper wires from the electrodes to a voltmeter.

7. If you fill a balloon with 5.2 moles of gas and it creates a balloon with a volume of 23.5 liters, how many moles are in a balloon at the same temperature and pressure that has a volume of 14.9 liters