A chemical reaction happens in three steps. Step 1: A→B+C (fast)
Step 2: C→D+E (slow)
Step 3:D+A→F (fast)
What is the rate-determining step?

Steps 1 and 3
Steps 1 and 2
Steps 2 and 3
Step 3 only
Step 1 only
Step 2 only

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest