Xrays with a wavelength of 0.070 nm diffract from a crystal. two adjacent angles of x-ray diffraction are 45.6 and 21.0 what is the distance between the atomic planes responsible for the diffraction?

The answer would be a) -80of

The answer would be a

Make them both to where they have the denominator of 18that makes 3/2 equal 27/18 and 1/9 equal 2/18so now you have  27/18x+5=2/18subtract 5 from the other sideso now you have 27/18x+2/18-5then subtract 2/18 from 27/18 to get 25/18x=-5then divide 25/18 by -5 and your answer will be  -5/18

What kind of enegia produces the mixture of bicarbonate and vinegar  chemical producetion