Sublimation temperature of dry ice (solid CO2) is ____________ °C?

Related Mcqs:

Pick out the correct statement?

A. Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero B. Melting of ice involves increase in enthalpy and a decrease in randomness C. The internal energy of an ideal gas depends only on its pressure D. Maximum work is done under reversible conditions...

Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is_____________________?

A. Positive B. Negative C. Zero D. Infinity...

Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, by_________________?

A. Low temperature and high pressure B. Low temperature and low pressure C. High temperature and high pressure D. High temperature and low pressure...

Chemical engineering thermodynamics is concerned with the ____________ in/of chemical processes?

A. Reaction mechanism B. Calculation of rates C. Energy transformation from one form to another D. None of these...

A domestic refrigerator has a/an ____________ cooled condenser?

A. Water B. Air C. Evaporative D. Gas...