Question

1.Convert the following temperatures to the Kelvin scale.
(a) 25°C (b) 373°C.
plz show me with the equation and process
2.Arrange the following substances in increasing order of forces
of attraction between the particles— water, sugar, oxygen.

Answer 1

Answer:

Explanation:

1. a. 25° C = (25 + 273) K

= 298 K

b. 373° C = (373 + 273) K

= 646 K

2. The forces of attraction are the strongest in solids, followed by liquids and the weakest in gases. Oxygen is a gas, water is a liquid and sugar is a crystalline solid. So the increasing order of forces of attraction is Oxygen < Water < Sugar.

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Answer 2

Explanation:

To convert into kelvin scale we need to add 273K into celcous

25°+273K =298 kelvin or 298 k

373°+273K =646kelvin or 646 K

They can be shown as follow

Sugar>water>oxygen