What are 10 examples of heterogeneous and homogeneous elements? i need 10 examples of each. if you all know at least a couple go ahead and answer. ill give you the best result for the most.

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 a special glass that most beakers are made of

What is the name of the enzyme that forms at the start of transcription?