Lenny accidentally drops his matchbox car into a graduated cylinder. if the car has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml. determine the density of the matchbox car. the formula for density is d = m v

Explanation:

We have to find the density of the car, the formula to find the density is as follows d = m / v

We have the following data

car mass = 10 g

They tell us that it falls into a graduated cylinder full of water and as the amount of water falls, it increases.

When we fall into this cylinder, what we can find out is the volume of the car

This method of knowing the volume of an object is called the method of water displacement that consists in subtracting the initial volume from the final volume (the volume when the object is inside the cylinder). This method is commonly used to measure the volume of solids with irregular shapes

The volume of the car is 5ml

Now that we have all the data we replace them in the formula

the density of the car is

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

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