How much energy is required to heat 208,200 grams of water (55 gallons) from 22 degrees Celsius to 100 degree Celsius steam? Specific Heat of water is 4.18
J/g C Heat of Vaporization is 2260 J/g"

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.