A balloon contains 3.4 He. The pressure is reduced to 176.1 kPa and the balloon expands to occupy a volume of 14.2 L. What was the initial pressure exerted on the balloon?

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

What does an electron configuration for an atom relate to the atoms placement on the periodic table

2ki + pb(no3)2 → 2kno3 + pbi2 determine how many moles of kno3 are created if 0.03 moles of ki are completely consumed.