The chemical is SnBr4 I’m pretty sure
Answer is 300K. I’ve included how I got that step by step in the photo below. Hope this helps!
Answer: C.) Xe
Explanation: To figure out the answer go to the Noble Gas Family and count down 5 elements.
1,3,2
The coefficient multiplied by the subscript will give you how many atoms of the element there are.
So, if we plug in 1,3,2
There will be 2 Nitrogen and 6 Hydrogen in the reactants side of the equation. To balance this on the other side, we must put a 2 in order to get 2 Nitrogen and 6 Hydrogen again.
