1.5 moles of N2 gas = L of N2 gas at STP

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical

Rank the following four acids in order of increasing bronsted acidity : h2f+ , ch3oh, (ch3)2oh+ , ch3sh2+