Answer:
hair is a physical change.
Cooking is a physical and chemical change.
Ice cream melting in the sun is a physical change.
mark me as the best if this helps you
Answer:
Please help!!!
When a piston with a volume of 35 mL is heated from 298 K to 596 Kit
expands. Assuming the pressure on the piston remains constant, determine
the new volume of the cylinder. (round to the nearest whole number)
no
Explanation:
n0? = °^° hhaa jk
Answer:
Each molecule of O2 is made up of 2 oxygen atoms. So 1 mole of O2 molecules is made up of 2 moles of oxygen atoms. Therefore 1 mole of oxygen gas contains 2 moles of oxygen atoms. And 0.4 moles of oxygen gas contains 0.8 moles of oxygen atoms.
