Ummmmmmmm...... Idk sorry
Answer:
ratio=0.996m/s
Explanation:
; M= molecular weight of compound;
RMS speed is inversly proportional to the molecular weight hence compound having less molecular weight will have more rms speed value.
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=ratio of 
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I believe it is C. I hope
Answer:
The correct answer is : The particles within all three states of matter are constantly moving.
Explanation:
The particles in the solid, liquid and gaseous states are in motion. In the latter is where they present greater movement and high kinetic energy, then follow the liquid state and finally the solid where the movement is more restricted (in this case, the particles vibrate).
Proteins and carbohydrates <span>yield about 4 kcal/g when completely oxidized, whereas fats yield about 9 kcal/g.</span>
