Consider the reaction 3X + 2Y -> 5C + 4D With excess Y, how many moles of X are needed to produce 25.00 moles of D?

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

How are the terms group and period used on the periodic table

Is 343 in the sequence -5, -2, 1, 4, 7