Explanation:
This question is not feasible. There is no way to calculate the energy needed because the question is missing the final temperature
Answer:
1 Acetaldehyde C2H4O
2 Acetamide C2H5NO
3 Acetic acid CH3COOH
4 Acetone C3H6O
Explanation: These are the only ones I know
The law says any object resist any change in their state of motion unless subjected to an external force. In this case the penny stay in it's position of rest and falls in the cup. While the card, that is subjected to external force, change its state.
Answer:
B. In the same group
Explanation:
Elements in the same group shared chemical properties.

What is the main difference between protons and neutrons?
Answer:
Protons have an electrical charge, but neutrons have no charge.
Hope this helps!!
