General Chemistry Answers

u3) If 12.0 mL of 1.34 M NaOH is required to neutralize 25.00 mL of a sulfuric acid, H_2SO4, solution, what is the molarity of the sulfuric acid?              

u              2 NaOH + H_2 SO_4 → 〖Na〗_2 SO_4+2H_2 O

If 7.3 mL of 1.25 M 𝐻𝑁𝑂_3 is required to neutralize 25.00 mL of a potassium hydroxide solution, what is the molarity of the potassium hydroxide?

𝐻𝑁𝑂_3 + KOH →KN𝑂_3 + 𝐻_2 𝑂

Calculate the heat required to vaporize 7.64 g of benzene at its normal boiling point.

Heat of vaporization (benzene) = 30.7 kJ/mol

4.5g of C⁴H¹0 butane burnt the heat evolved raises the temperature of 250g of water from 3 degree celusis to 40 degree celsuis when is the heat of combustion of C⁴H10

Mass of tissue paper

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

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