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Estimate how high in miles you can stack up an Avogadro's number of oranges covering the entire Earth.

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170. 187.8 miles171. $x=3.1 \times 10^{23}$

Chemistry 101

Chapter 3

Mass Relationships in Chemical Reactions

Chemical reactions and Stoichiometry

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Lectures

04:02

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. Chemical reactions can be either spontaneous, requiring no input of energy, or non-spontaneous, typically following the input of some type of energy, such as heat, light or electricity. Chemical reactions are usually characterized by a chemical change, and they yield one or more products after the reaction is complete. Chemical reactions are described with chemical equations, which symbolically present the starting materials, end products, and sometimes intermediate products and reaction conditions. Chemical reactions happen at a characteristic reaction rate at a given temperature and chemical concentration. Typically, reaction rates increase with increasing temperature because there is more thermal energy available to reach the activation energy necessary for breaking bonds between atoms.

08:02

In chemistry, a combination reaction is a chemical reaction in which two or more reactants combine to form more than one product. In a decomposition reaction, one reactant splits into two or more products.

02:57

One mole of atoms consists…

02:47

01:30

01:35

Estimate the length of tim…

03:03

Estimate the number of mol…

00:57

What is the value of Avoga…

01:25

State the mathematical rel…

03:32

Size of atoms. Using the …

01:21

What is the numerical valu…

For this problem we have to first first we must the termine the average size of an orange and an approximate surface of our planet. Average oranges are 2.5 inches inches large in diameter. While earth is round 196.9 multiply 10 raised to the power 6 miles square, which, which is 7.9 multiplied and raised to the power 17 inch square now we will determine how many orange oranges we need to cover the size of in our surface and 1 orange that, As a side of 2.5 inches will cower, 6.256 .25 square inches so to find out, the number of orange is needed to cover the whole earth surface. We must divide it by 8 by 6.25, so n is equal to 7.9 n 210 raised to the power 17 inch square, divided by 6 point 25 inch square is equal to 1.264 into 10. Raised to the power 17 in a bangalose number is a constant 6.022 multiplied 10 raised to the power 23 point. Now that we know how many oranges we need to cover the given surface, and we know the number of oranges that behave. We can determine the number of layers now we can determine the number of layers, so number of layers is equal to 6.0 22 multiply 10 raised to the power 23 divided by 1.264 into 10, raised to the power 17 point. Number number of layers is equal to 4.76 into 10 raised to the power 6. Finally, when we know the number of oranges in height and size of an orange, we can determinethe height of the of these layers. 2.5 inches multiply. 4.76 multiply 10 raised to the power 6 is equal to 11.9 multiplied and raised to the power. 6 inches is equal to 1 87.8 miles.

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