Answer:
Rest. Avoid activities that cause pain, swelling or discomfort.
Ice. Use an ice pack or ice slush bath immediately for 15 to 20 minutes and repeat every two to three hours while you're awake.
Compression. To help stop swelling, compress the ankle with an elastic bandage until the swelling stops.
Elevation.
The law of conservation of mass states that mass can neither be created nor destroyed. For example in an isolated system, mass of the reactants is equal to the mass of the products. Thus, mass or the quantity of the system under consideration will remain unchanged through any physical or chemical process.
In the given example, the board initially has a mass of 750 g. It is physical transformed to sawdust by grinding. Based on the conservation of mass, the pile of sawdust would still weigh 750 g.
The number of millimoles of solute per liter of water is used to express the osmotic concentration of a solution, also known as Molarity.
What is Molarity?
It is a measure of the concentration of a chemical species, in particular of a solute in a solution. In terms of the number, it is a substance per unit volume of solution. In chemistry, the most commonly used unit for the term molarity is the number of moles per liter.
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