Download the App!

Get 24/7 study help with the Numerade app for iOS and Android! Enter your email for an invite.

Get the answer to your homework problem.

Try Numerade free for 7 days

Like

Report

The thickness of a piece of paper is 0.0036 in. Suppose a certain book has an Avogadro's number of pages; calculate the thickness of the book in light-years. (Hint: See Problem 1.49 for the definition of light-year.)

5729.4 light years

Chemistry 101

Chapter 3

Mass Relationships in Chemical Reactions

Chemical reactions and Stoichiometry

University of Central Florida

University of Kentucky

University of Toronto

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.

02:41

The thickness of a piece o…

03:14

The thickness of a piece …

03:32

Size of atoms. Using the …

01:36

One sheet of paper is abou…

01:47

The thickness of a paperba…

01:20

If a light year, $9.5 \tim…

01:24

In Exercises 59–62, write …

00:35

One light-year is the dist…

01:14

MAKING ESTIMATES About how…

00:55

Express the number in deci…

01:15

Light Years. Light travels…

in this problem were given that the thickness of each page is 0.36 inches were also given that the amount of pages in the book equals average Angels number, which is 6.0 to 2 times and in the 23. So we are trying to find the thickness of the book in light years. So our first step would be to calculate the total thickness of the book. And to do that, we're gonna need to multiply the thickness of each page. Times Afghan dress number So 0.0 36 inches times 6.22 times 10 to the 23. And that's going to equal 2.16 792 times 10 to do to the 21st. Okay, so now we have the thickness of the total book in inches. Okay, so, no, it would be helpful to look at the units on a light year. So a light year is on balance 9.46 times 10 to the 12 kilometers. So now you can see that our units right now don't match up. So we're going to convert one of them. Let's convert this number two kilometers. So I'm just going around for the time being. So we have we have 2.1 seven times 10 to the 21 inches. I want a new dimensional analysis here. We know that one inch equals 0.2 54 meters and we know that one meter, 2000 meters. Let me clear this up a little bit and we know that 1000 meters is in one kilometer. So when we calculate that together, we get that there are five point 506 times 10 to the 16 killing years, that is the thickness of the booking kilometers. Okay, so that is good news. So no, we have our thickness and kilometers and are light years and kilometers. So we should be able to figure out how many light years are in this distance. So we need to do some more dimensional analysis. So 5.506 times 10 to the 16 kilometers and we're gonna have work. That's a light years. This is one light here and we know that there are nine points 46 times 10 to the 12 kilometers in a light year. Okay, for now. If we multiply this out, we get that. The thickness of the book and light years is around 58 to 0 my years.

View More Answers From This Book

Find Another Textbook

Numerade Educator

02:19

Consider the reaction $$\begin{array}{r}2 \mathrm{H}_{2} \mathrm{O}(g) \long…

02:35

Which of the following compounds are likely to be ionic? Which are likely to…

01:09

Explain the difference in the melting points of the following compounds:…

02:03

The electron configurations of ions derived from representative elements fol…

01:30

Why is ice less dense than water?

01:10

Carry out the following conversions: (a) $70 \mathrm{kg}$, the average weigh…

01:40

In which of the following states would $\mathrm{NaCl}$ be electrically condu…

02:50

Explain how the lattice energy of an ionic compound such as $\mathrm{KCl}$ c…

02:40

What is the Heisenberg uncertainty principle? What is the Schrödinger equati…

01:48

Give Arrhenius' and Bronsted's definitions of an acid and a base. …