Balancing Equations Quiz 2

Explanation
In this reaction, a single element (Br2) replaces another element (F) in a compound (LiF). This type of reaction is known as a single replacement reaction.

Explanation
The equation represents the reaction between bromine (Br2) and lithium fluoride (LiF) to form lithium bromide (LiBr) and fluorine (F2). To balance the equation, we need to ensure that the number of each type of atom is the same on both sides. In this case, there are 2 bromine atoms on the left side, so we need 2 LiBr molecules on the right side to balance it. Similarly, there are 2 fluorine atoms on the right side, so we need 2 F2 molecules on the left side. Therefore, the correct coefficients for the equation are 1, 2, 2, 1.

Explanation
In the balanced equation, the coefficient for nickel (III) oxide is 1. This means that for every 1 molecule of nickel (III) oxide, there are 1 molecule of nickel hydroxide and 3 molecules of water.

Explanation
The given equation represents a double replacement reaction. In a double replacement reaction, the positive and negative ions of two compounds switch places to form new compounds. In this equation, the potassium ions from K2SO3 switch places with the hydroxide ions from Mn(OH)2 to form KOH, and the sulfite ions from K2SO3 switch places with the manganese ions from Mn(OH)2 to form MnSO3.

Explanation
The given answer suggests that Mrs. Pippins reminds the person of "the best chemistry teacher I have this year." This implies that the person finds Mrs. Pippins to be an excellent chemistry teacher, possibly due to her teaching style, knowledge, or ability to engage students. The comparison to "The Grinch" and the mention of a question semester exam may be unrelated and not relevant to the given answer.