What is the IUPAC name of the following compound?
OH
CH2CH2CCH2CH3
CH2CH3

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

What’s the percent by mass of carbon in c10h14n2

What is the temperature of one mole of helium gas at stp?