<span>Answer for the given question is CaBr2.
Although, the given equation requires balancing of by adding one more HBr and one more H2o in resultant. The given equation will product at least one CaBr2. Hence the answer for the given equation is Calcium bromide i.e. CaBr2.</span>
<span>2.28 kg x 213 kJ/kg = 486 kJ = 4.86E+05 J</span>
It might be c, because he came up with the plum pudding model. or it might be that atoms of the same element are identical, but that's not true cuz ions are different and isotopes are different.
The answer is 6.022• 10^23 atoms
Percent yield of the equation at above condidtions will be 42.4%