Sequence the following steps in a limiting reactant calculation by matching them with the correct number. 1. __ Look at the packaging and find the mass of citric acid in one tablet.
2. __Calculate the theoretical yield of carbon dioxide gas in grams based on the amount of limiting reactant.
3. __Look at the packaging and find the mass of NaHCO3 in one tablet.
4. __Calculate the moles of citric acid in your tablet based on the package information.
5. __Calculate the moles of NaHCO3 in your tablet based on the package information.
6. __Determine which reactant, NaHCO3, or citric acid, will limit your reaction.

a. 1
b. 2
c. 3
d. 4
e. 5
f. 6

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.

According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.