Giving Brainliest!! Hi :) I need help! Has anyone done an assignment called Mystery Powder Gizmo? It's due today and I just need Activity B questions 3, 4, and 6. tysm!

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system