General Chemistry Answers

Balance the redox reactions by the oxidation state change method.

KMnO₄+Na₂C₂O₄= K₂SO₄+MnSO₄+Na₂SO₄+CO₂+H₂O

Calculate 🔺E if 100kJ of heat energy is absorbed by the system and 30kJ of work is done on the surroundings.

Find the hydrogen and hydroxide ion in 0.03M of hydroxide solution

If air is at 270C and the RH is 50% what is the dew point temperature (in Celsius)?

Use the following information: A container has 8360.0 torr of Nitrogen, 5.00 atm of Oxygen, 101.1 kPa of Argon, and 760.0 mm Hg of Carbon Dioxide.

What is the mole fraction of Carbon Dioxide?

A. 0.0556

B. 0.0670

C. 0.2567

D. 0.6676

E. 0.7572

What species can be found in the beaker besides water molecules?

The volume of 1.50 moles of a gas is 30.0 L when the pressure is 1.00 atm and the temperature is -29.4ºC. At the same temperature and pressure, the volume of 4.25 moles of the gas is  

1. A solution is made by dissolving 50.0 g glucose, C6H12O6 (180 g/mol), in 500 g of water (18 g/mol) to make approximately 500-mL solution. Calculate the following: 

a. Vapor pressure of the solution at 37.0 oC (The vapor pressure of pure water is 47.1 torr at 37.0 °C) b. Boiling point of the solution 

c. Freezing point of the solution 

d. Osmotic pressure at 37.0 oC 

🔹BOILING POINT AND FREEZING POINT OF SOLUTION

1. a solution is made of 2.00g sucrose in 100.00 g H2O. (Molecular weight of sucrose is 342 g/mol). Calculate the (a) Boiling point and (b) freezing point of the solution 

🔸OSMOTIC PRESSURE 

1. What is the osmotic pressure of a solution made up of 2.00g sucrose (C12H22O11) in 100mL of solution at 30°C? 

Give an account of β – oxidation of saturated even carbon fatty acid (Palmitic acid)

along with the total ATPs obtained.