For which of the following reactions is ΔH∘rxn equal to ΔH∘f of the product(s)?You do not need to look up any values to answer this question.

Check all that apply.
BaCO3(s)→BaO(s)+CO2(g)
Na(s)+12Cl2(l)→NaCl(s)
Na(s)+12Cl2(g)→NaCl(s)
2Na(s)+Cl2(g)→2NaCl(s)
C(s, graphite)+O2(g)→CO2(g)
CO(g)+12O2(g)→CO2(g)

[ou.03jthe pictures below show the wavelengths and intensities of electromagnetic radiations emitted by three stars, star 1, star 2, and star 3. intensity intensity- intensity- 1000 3500 6000 8500 11000 wavelength (a) star 1 1000 3500 6000 8500 11000 1000 3500 6000 8500 11000 wavelength (a) wavelength (a) star 2 star 3 which of these statements is correct about the color of the three stars? star 2 is white in color o star 2 is yellow in color star 1 and star 3 are yellow in color star 1 and star 3 are white in color