Help please I need it immediately If the combustion of 7.8 g of benzene emits 326.76 kJ of heat, can you calculate the thermal manifestation (∆H °) of the combustion reaction of benzene?

In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall? whats the percent

The element that has the greatest electronegativity is

Amixture with the same composition throughout is!