In the reaction:

NH3 + H2O ↔ NH4+ OH–

The two Brönsted acids are
A) NH3 and H2O
B) NH3 and OH–
C) NH4+ and H2O
D) NH4+ and OH–

If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.

Consider the two electron arrangements for neutral atoms a and b. are atoms a and b the same element? a - 1s2, 2s2, 2p6, 3s1 b - 1s2, 2s2, 2p6, 5s1

Which of the following statements is true about planck’s law