Both figures are mixtures,
Figure II is a heterogenous mixture
Figure I is a homogenous mixture
Coal can replace petroleum base fuel when you are just heating something that dont need big amount of heat. examples of it is when producing steam, coal is just used to heat water and produce steam because coal is much cheaper and the coal can already do the job in heating the water
0.6394139898665671 that’s how many moles are in 25g of potassium !
Answer:
Explanation: a temperature of 273.15 K and a pressure of 100 kPa. When tose conditions are met, 1 mole of any ideal gas will have a volume of 22.7 L.