Alexis adds 32.0 g of ice cubes at 0oC to her allyMoscato after a tiring day at work. How much heat in kilocalories will be absorbed to melt all the ice at 0oC? (Heat of fusion = 334 J/g; specific heat of ice = 2.093 J/goC)

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

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division