A solution is prepared by dissolving 2 g of KCI in 100 g of H_2O. In this soluti

Question

A solution is prepared by dissolving 2 g of KCI in 100 g of H_2O. In this solution. H_2O is the A. solute B. solvent. C. solution D solid. E. ionic compound Which one of the following compounds will NOT be soluble in water? A. LiOH B. K_2S C. BaSO_4 D. NaNO_3 E. MgCI_2 How many equivalents are present in 5.0 moles of Al^3+? A. 15Eq B. 1.3Eq C. 5.0 Eq D. 0.67 Eq E. 3.0 Eq In water, a substance that ionizes completely in solution is called a A. weak electrolyte. B nonelectrolyte. C. semiconductor. D. nonconductor. E strong electrolyte. A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure cyclopropane mixture is 330 mmHg and the partial pressure of the oxygen is 1 0 atm, what is the total press mixture in torr? A 330 torr B. 430 torr C. 760 torr D. 1.4 torr E.1090 torr Which of the following correctly describes the process of inspiration (air entering the lungs)? A. The lungs expand, causing their internal pressure to decrease. B. The lungs expand, causing their internal pressure to increase. C. The lungs contract, causing their internal pressure to decrease. D. The lungs contract, causing their internal pressure to increase. E. There is no change in the internal pressure in the lungs.

Explanation / Answer

We have;
cyclopropane partial pressure = 330 mmHg
Partial pressure of Oxygen = 1.0 atm = 760 mmHg

therefore;
a total pressure of the mixture = 760 mmHg (oxygen)+330 mmHg (cyclopropane) = 1090 mmHg = 1090 torr

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