A container contains a mixture of helium, oxygen and argon gases. Calculate the total pressure of the gas mixture if the partial pressure of Helium is 5.60 atm, Oxygen is 0.40 atm and Argon is 12.00 atm.

18.00 atm
05.14 atm
6.00 atm
26.88 atm

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5