Stoichiometry

Isotonic solutions must have the same__________________?

Byadmin March 4, 2019August 24, 2021

Isotonic solutions must have the same__________________?

A. Viscosity
B. Molar concentration
C. Normality
D. Critical temperature

Stoichiometry

Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is_________________?

Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is_________________?

A. 1.72
B. 0.58
C. 0.5
D. 0.2

Read More Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is_________________?
Stoichiometry

At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?

At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?

A. 6
B. 8
C. 10
D. 12

Read More At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?
Stoichiometry

1m3 is approximately equal to_________________?

1m3 is approximately equal to_________________?

A. 28 litres
B. 35 ft3
C. 4.5 litres
D. 4.5 ft3

Read More 1m3 is approximately equal to_________________?
Stoichiometry

With increase in the alumina content, the refractoriness of high alumina refractories_________________?

With increase in the alumina content, the refractoriness of high alumina refractories_________________?

A. Increases
B. Decreases
C. Remain same
D. May increase or decrease

Read More With increase in the alumina content, the refractoriness of high alumina refractories_________________?
Stoichiometry

The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

A. R
B. > R
C. < R
D. 0.5 R

Read More The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?
Stoichiometry

Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is__________________?

Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is__________________?

A. 80.1°C
B. Less than 80.1°C
C. 100°C
D. Greater than 80.1°C but less than 100°C

Read More Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is__________________?

Similar Posts