Compared to visible light, an electromagnetic wave that has a higher wavelength will also have

Compared to visible light, an electromagnetic wave that has a higher wavelength will also have a lower frequency.

That's because frequency and wavelength are inversely related.

f ∝ 1/λ

When one goes up, the other goes down and vice vesa.

answer: the enthalpy of the overall chemical reaction is +87.88 kj or +88 kj.

according to hess's law, the overall enthalpy of a reaction is the difference between the sum of enthalpy values of all the products and the sum of enthalpy values of all the reactants.

δh(reaction) = ∑nδh(products) - ∑nδh(reactants)

δh(reaction) = [δh +δh] - [δh]

δh(reaction) = [1(-287.02) + 1(0) ] - [1(-374.9)] kj = +87.88 kj

here, δh (pcl3) = -287.02 kj, δh(cl2) = 0, δh(pcl5) = -374.9 kj

therefore, enthalpy of the overall reaction is +87.88 kj or +88 kj.

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it