5. The storage tank in the diagram below contains toluene (p = 867 kg/m). Because it is impossible to see inside the tank, an open-end manometer is used to determine the liquid level. The manometer fluid is mercury (om= 13,500 kg/m?). Both the tank and the manometer are open to atmosphere. 20 cm H Toluene Vi * 250 cm v... What is the liquid level of toluene (H) in m? 6. A thermocouple records a temperature of 10 C. This measurement is needed in a calculation procedure that uses temperature values in R. What value of temperature would you use in the calculation