How much ice (in grams) at 0 ∘C would have to melt to lower the temperature of 352 mL of water from 24 ∘C to 6 ∘C? (Assume the density of water is 1.0 g/mL.) Express your answer using two significant figures.

How many liters of oxygen gas, at standardtemperature and pressure, will react with 35.8 grams ofiron metal? 4 fe (s) + 3 o2 (g) → 2 fe2o3 (s)

Of the following elements, which is the least reactive? a. c b. h c. li d. he

Agust of wind blowing east pushes against a ball. when will the wind do work on the ball? when the ball moves to the east when the ball moves to the north when the ball stays in one place when the ball moves north or south