Chemical changes is all that which occurs with the formation of new substances.
Physical changes are all the transformations of matter without altering its chemical composition occurs. Is any phenomenon that occurs without the formation of new substances.
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Answer:
Alan runs 1250 m/min in five minutes
Explanation:
250 x 5
Answer:
60 g/100 g water
Explanation:
Find 5 °C on the horizontal axis.
Draw a line vertically from that point until you reach the solubility curve for CaCl₂.
Then draw a horizontal line from there to the vertical axis.
The solubility of CaCl₂ is 60 g/100 g water.
Answer:
kinetic energy decreases
Explanation:
kinetic energy usually increases when hot and decreases when cold. The steam is turning into a liquid because it is cooling down, causing the molecules to move less and slow down.
Explanation:
When your blood circulates through your digestive system, for example, it picks up nutrients your body absorbed from your last meal. Your blood also carries oxygen inhaled by the lungs.
