26. Which is carried by a wave?
A. energy
B. light
C. sound
D. vacuum​

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 is the relation between concentration of reactants and the rate of chemical reaction?

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units: