C2H4(g) + 302(g) → 2CO2(g) + 2H20(i) H =-1411 kJ/mol The equation above can be classified as
A endothermic; H is positive
B
exothermic; H is negative
exothermic; H is positive
D endothermic; H is negative

According to the tide table below what time of day will the highest tide occur?

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

Most metamorphosis processes take place