If I have 0.5 moles of gas at a temperature of -15.5 0C, and a volume of 8 liters, what is the pressure of the gas in kPa?

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?