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New exercises from Khan Academy 2020-06-01T19:15:39.057862
Aggiornato: 1 ora 27 min fa

Solids, liquids, and gases

Ven, 2020-05-08 19:49
Practice interpreting particulate models of solids, liquids, and gases in this set of free questions designed for AP Chemistry students.

Normal distribution: Area between two points

Ven, 2020-05-08 19:49
Use a z-table to find the area between two given points in some normal distribution.

Exothermic and endothermic reactions

Ven, 2020-05-08 10:43
Let's practice problems involving exothermic and endothermic reactions.

Create two-way frequency tables

Gio, 2020-05-07 19:17
Given a Venn diagram or information about a relationship, create a two-way frequency table.

Compare 3-digit numbers

Gio, 2020-05-07 17:34
Practice comparing 3-digit numbers within 1000.

Properties of solids

Mer, 2020-05-06 23:48
Check your understanding of the properties of solids in this set of free practice questions designed for AP Chemistry students.

Read picture graphs

Mer, 2020-05-06 23:13
Use picture graphs to solve word problems.

Deviation from ideal gas law

Mer, 2020-05-06 21:11
Check your understanding of how real gases deviate from ideal behavior in this set of free practice questions designed for AP Chemistry students.

Area word problems

Mer, 2020-05-06 14:36
Let's solve a few real-world problems involving areas of rectangles.

Identify molecular formulas

Mer, 2020-05-06 05:49
Let's practice remembering molecular formulas for some common compounds.

Empirical rule

Mar, 2020-05-05 23:19
Practice applying the 68-95-99.7 empirical rule.

Normal calculations in reverse

Mar, 2020-05-05 22:09
Practice finding a value in a normal density curve given an area.

Land-Based Empires in Eurasia

Mar, 2020-05-05 20:51
Try it out!

The Big History Story

Mar, 2020-05-05 20:50

Era 1 Overview

Mar, 2020-05-05 20:49
Test your knowledge!

Estimating P-values from simulations

Dom, 2020-05-03 17:36
Use results of simulations to estimate P-values in significance tests.


Gio, 2020-04-30 19:05
Test your knowledge of biotechnology!

Represent rectangle measurements

Mer, 2020-04-29 23:17
Identify length, width, area, and perimeter on rectangles.  And identify equations that will help find unknown rectangle measures, like area and perimeter.

Solve problems with bar graphs 1

Mer, 2020-04-29 22:53
Read and interpret bar graphs.

Density word problems

Mer, 2020-04-29 13:18
Solve problems concerning real-world situations using your knowledge of volume, area, and density.


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