Answer:
sorry this is a kind of confusing question.
Explanation:
This website lies, at first you only needed to make a free account to see verified answers and now its sating i need to pay $15 bull
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6:c
7: might be ice but im not really sure, hope you do well.
Explanation:
B.gas would has the most kinetic enegry because its particles move freely
So, you need to have same ammount of atoms on the left and on the right side of the equation. You need to count the ammount of attoms of every substance on the left, and make sure that on the right side the ammount is same. For example in the 1st one it’s 6Sn+2P4=2Sn3P4, so that you have 6atoms of Sn on the left and 6 atoms of Sn on the right, same with the P
