1. The diagram shows a box that is sliding down a ramp F1
F4
F2
F3
Which arrow correctly indicates the direction of friction acting on the box?
A F1
B. F2
C3
D. 14

10 POINTS!!!

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !