Alguém poderia me explicar como balancear uma equação

A 613 ml sample of hydrogen gas at 968 torr is held at a constant temperature while it is compressed to 157 ml. what is the new pressure in atm?

A small 15 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

How many particles are present in 7.8 moles of a substance

Energy has different forms such as.

How many grams of ko2 are needed to form 8.5 g of o2?

An ion has a charge of 2 - and 18 electrons. A) From which atom does this ion form? B) How do you know?

What diseases are spread in warm temperatures?

In 1993 the Minnesota Department of Health set a health risk limit for chloroform in groundwater of 60.0 g/L Suppose an analytical chemist receives a sample of groundwater with a measured volume of 79.0 mL.

A good way for someone to identify similar substances is to measure their densities true or false

At 25 ∘c, kp = 25 for the reaction h2 (g) + i2 (g) ⇌2hi (g). at equilibrium, the partial pressure of both h2 and i2 is 0.296 atm. what is the partial pressure of hi at equilibrium?