How much time is required to plate out 20.0 g of Zn from a solution containing Zn2 + ions, using a current of 2.00 amperes?

Which of the following is correctly ranked in order of increasing bond polarity? O-O < O-F Cl-S < Cl-Br Al-O < P-O H-H < N-N B-F < C-F F-O < O-O Li-F < C-O

Light from the sun is absorbed by the ground and converted to what?

The chemical formula for the aluminum oxide is

Which of the following would increase the conductivity of a connecting wire? (More than one answer). A) increase the diameter B) increase the length of the wire C) decrease the temperature o the wire D) switch from steel wire to gold wire

Why is a ylid a stable nucleophile? Select all that apply. Group of answer choices The proximity of the positively charged phosphorous and negatively charged carbon stabilizes the charges. It is a stable Arrhenius base.

Which elements are correctly listed in order of increasing ionization energy? 1. o < f < ne 2. o < s < se 3. n < p < as 4. c < n < o 5. n < o < f?

Which of the following is not a drawback of using lithium batteries? A. Lithium's reactivity can cause explosions. B. Lithium batteries require the use of toxic materials. C. Lithium is more easily oxidized than any other metal. D.

Considering the concept of surface area affecting the rate of reaction, explain why grain storage silos sometimes explode spectacularly?

What solution can you add to of the mixture of NH4 (aq) and Ca2 (aq) to precipitate one cation while keeping the other cation in solution?

Which substance was developed by chemists