You travel 80 km in the first 1.00 hour of a trip, 50 km in the next 0.50 hours, and 40km in the final 0.25 hours. Calculate your average speed for the entire trip?

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers

Which of the following are correct values for the ideal gas laws constant r

How do you know when a chemical reaction has occurred