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

Aluminum is a lightweight metal (density $=2.70 \mathrm{g} /$ $\mathrm{cm}^{3}$ ) used in aircraft construction, high-voltage transmission lines, beverage cans, and foils. What is its density in $\mathrm{kg} / \mathrm{m}^{3} ?$

$$2.70 \times 10^{3} \mathrm{kg} / \mathrm{m}^{3}$$

Chemistry 101

Chapter 1

Chemistry: The Study of Change

Intro to Chemistry

Carleton College

Rice University

Brown University

Lectures

02:29

Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry deals with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds. Chemistry also involves understanding the properties and interactions of individual atoms and molecules for use in larger-scale applications.

04:42

In chemistry and physics, matter is any substance that has mass and takes up space by having volume. All everyday objects that can be touched are ultimately composed of atoms, which are made up of interacting subatomic particles, and in everyday as well as scientific usage, "matter" generally includes atoms and anything made up of them, and any particles and objects that act as if they have both rest mass and volume. However it does not include massless particles such as photons, or other energy phenomena or waves such as light or sound. Matter exists in various states (known as phases) that are defined by various physical properties, such as state of matter, phase, shape, and density. The Standard Model of particle physics and the general theory of relativity describe fundamental particles and the fundamental forces acting between them that control the structure and dynamics of matter.

00:57

Aluminum is a lightwe…

00:55

'Aluminum is a lightw…

01:02

The density of aluminum is…

01:04

An aluminum alloy used in …

01:10

Calculate the density of a…

00:48

01:35

00:26

Hi. So this question here gives you the density of aluminum, which is the lightweight metal. In the density is 2.70 grants for centimeter cubed and they want you to convert the density to killer grounds per meters. Cute. So we have two conversions. We need you here First. We need to convert the top part grams into kilograms in the bottom part. Seven years cubes into meters. Cute. So first, let's just do the top bird here, Teoh grams per centimeter. Cute. Okay, So if you want to convert grams two kilograms, where should we put the grabs you need? We should put on the bottom, right? Because you want to cancel it. And we know that there are 1000 rounds of one kilogram because kilo means 1000. So one kilogram is 1000 grounds. Okay, That's our first multiplication. And Alice through the bottom part. Now the bottom part is a little bit more tricky because of the Cube. So you actually have to do these centimeters. Two meters conversion three times because you want you want to convert each centimeter unit into meters. So if I were only converted once, it would just be your answer would be centimeters, times, centimeters, tens meters. But you want meters, tens meters, 10 meters. Right meters. Cute. So we're going to do here, Stuart conversion. So we need centimeters on the top. Right? Because there are You want to cancel out your centimeters and there are 100 centimeters in one meter, and then we're going to Cuba. All of this because we're going to do it three times. Right now, we can just plug this in our calculator. So 2.70 divided by 1000 times 100 its entire three. And you should get 2.7 zero times 10 to this story and the sig figs were using here. It's a sick fixed from the beginning, because when you do, you know, conversions. The unit conversion of numbers that you use are basically infinite sick fix. So you just use whatever sick have you had in the beginning. So that's 2.70 So three sig figs. So we have two points over 2.70 times 10 to the third. So that is your answer. That's basically the whole question. And I hope this is helpful. Thank you for listening.

View More Answers From This Book

Find Another Textbook

Numerade Educator

05:25

(a) If a $\mathrm{H}$ atom and a He atom are traveling at the same speed, wh…

02:28

Explain which of the following anions is larger, and why: $\mathrm{Se}^{2-}$…

05:20

Name the ions with +3 charges that have the following electron configuration…

02:19

How many molecules of ethane $\left(\mathrm{C}_{2} \mathrm{H}_{6}\right)$ ar…

01:51

The term "molar mass" was introduced in Chapter 3. What is the adv…

03:41

A piece of silver (Ag) metal weighing $194.3 \mathrm{g}$ is placed in a grad…

02:45

Predict the geometries of the following species:(a) $\mathrm{AlCl}_{3},$…

01:23

Write the ground-state electron configurations of the following transition m…

03:02

All combustion reactions are redox reactions. True or false? Explain.

00:54

Explain why liquids, unlike gases, are virtually incompressible.