Chemistry Answers

If a solution of barium nitrate and water is mixed with a solution of sodium sulfate and water, what reaction will occur?

A sample of chlorine gas occupies a volume of 946 mL at a

pressure of 726 mmHg. What is the pressure of the gas (in

mmHg) if the volume is reduced at constant temperature to

154 mL?

What is the pH of ascorbic acid

How can you separate dry sample of barium sulphate using barium nitrate and sodium sulphate

Determine the mass of nitrogen found in 8.85g of Pb(NO3)3

Maria said "As temperature increases viscosity decreases" but Elena stated "As temperature increases viscosity increases". Which statement is true? What would happen if you heat a liquid with high viscosity? Explain

explain why hexane and 2,2-dimethlybutane are isomers

Calculate the pH of the solution: A solution formed by mixing 20ml 0.1M acetic acid and 10ml 0.1 socium acetate.

Is propyl amide more acidic or propyl alcohol

★ Fill in the blanks with correct word(s).

1 The volume of the gas would become zero at _______ temperature.

2 At constant temperature when the volume of the gas decreases, the pressure ________.

3. A sample of helium gas occupies 6 mL at a temperature of 250 K. At _______K the gas expands to 9 mL.

4. The pressure of a gas mixture is equal to the ________ of the partial pressures of the constituent gases at a particular temperature.

5. The value of PV for 5.6 moles of a gas at 0°C is ________.