Arigid tank contains 10 kg of water at 90°c. if 8 kg of the water is in the liquid form and rest is in vapor form determine: (a) pressure in the tank (b) volume of the tank

The pressure in the tank is 70.183 kPa and the volume of the tank is 4.73

Explanation:

Given that 8 kg of the water is in the liquid form and rest is in vapor we can say that the tank contains a saturated liquid-vapor mixture. Since the two phases coexist in equilibrium, the pressure must be the saturation pressure at the given temperature.

Use the Saturated water - Temperature table to find the pressure

From the Saturated water - Temperature table at 90 °C, we know that and .

To find the volume of the tank you can determine the volume occupied by each phase and then add them:

Volume of the liquid phase =

Volume of the vapor phase =

Volume of the tank = Volume of the liquid phase + Volume of the vapor phase

Volume of the tank =  + = 4.73

the correct answer is a

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.