48 cal is what I put on mine
Answer:
All of the above.
Explanation:
Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances.
This process is not reversible and a change of energy that is sometimes heat is given off.
Answer: C. A force applied to the cart pushing or pulling it forward
Explanation: (I hope this is correct)
Answer: What occurs when NaCl(s) is added to water. (1) ... (2) The boiling point of the solution increases, and the freezing point of the solution increases. ... (1) higher freezing point and a lower boiling point than water (2) ... Jan 2007-19 Compared to a 2.0 M aqueous solution of NaCl at 1 atmosphere, a 3.0 M aqueous ...
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Explanation: