amino group
carboxyl group
R-group
single Hydrogen arom
Answer:
The second answer choice
Explanation:
X seems to list attributes for opaque objects, and y lists attributes of Transparent objects.
ΔΗ= -115.6 kJ/mol
H2 has a Mr of 2, so as mol=mass/mr we can work out that there are 4 moles of H reacting
Therefore we multiply -115.6 by 4 = -462.4
Yes. A mixture can be made up of just elements without the use of a compound, you can also just use compounds in a mixture without any elements
Here you go! Feel free to ask questions!
