Answer:
light travels as a wave. but unlike sound waves or water waves, it doesn't need any matter or material to carry it's energy along
<span>(4) The dissolving of the LiBr(s) in water is an exothermic process</span>
Effects of changes in volume in a reversible reaction in a chemical equilibrium can be predicted using Le Chatelier's Principle. I think this might be the answer, I hope it helps.
R is the mixture formed by adding 5 g of sugar to 1 L of water.
<h3>Which is a mixture?</h3>
A mixture is an impure substance made up of two or more substances which are miscible or immiscible in each other.
Dissolving the sugar in the water makes a homogenous mixture and once dissolved a solution is made by the combination of a solute (sugar) and solvent (water).
Hence, R is the mixture formed by adding 5 g of sugar to 1 L of water.
Learn more about the mixture here:
here:brainly.com/question/17247700
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