( Please help ) How many moles of sodium (Na) are needed to produce 5.75 moles sodium sulfate (Na^2 (SO^4 ) according to the following unbalanced reaction : _ Na + _ H^2(SO^4) _ Na^2(SO^4) + _ H^2

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

Stage in which a typical star has completely stopped fusion