The contents of the freezer in a home refrigerator are maintained at 253.15 k (-20°c). the kitchen temperature is 293.15 k (20°c). if heat leaks amount to 125,000 w per day, and if e 0.08/kwh, estimate the yearly cost of running the refrigerator. assume a coefficient of perfor to 60% of the carnot value. ans. cost-s26718/yr mance equal

Label a-f based on the table using c for concentrated and d for dilute

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∘

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules