What quantity of energy is released from 506 g of liquid water freezes

Given:

Mass of water = 506 g

To determine:

The amount of energy released when 506 g of water freezes

Explanation:

The process involves a phase change from liquid water to solid

Liquid water ↔ Solid water/ice

Now, the molar enthalpy of fusion of water i.e. the energy released when water freezes is 334 J/g

Thus, the energy released corresponding to 506 g of water is-

= 506 g * 334 J/1 g = 169,004 J

Ans: Energy released = 169 kJ

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explanation:

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.