| Sections | |||
|---|---|---|---|
| Mixtures | 12 mins | 0 completed | Learn Summary |
| Scientific Notation | 6 mins | 0 completed | Learn |
| Accuracy & Precision | 5 mins | 0 completed | Learn |
| Standard Deviation, Mean, Median & Mode | 7 mins | 0 completed | Learn |
| Metric Prefixes | 17 mins | 0 completed | Learn Summary |
| Significant Figures | 18 mins | 0 completed | Learn Summary |
| Energy, Heat and Temperature | 7 mins | 0 completed | Learn Summary |
| Physical & Chemical Changes | 7 mins | 0 completed | Learn Summary |
| Dimensional Analysis | 28 mins | 0 completed | Learn |
| Density | 14 mins | 0 completed | Learn Summary |
| End of Chapter 1 Problems | 51 mins | 0 completed | Learn |
| Additional Practice |
|---|
| The Scientific Method |
| Filtration |
| Physical & Chemical Properties |
| Types of Energy |
Use of the British thermal unit (Btu) is common in some types of engineering work. A Btu is the amount of heat required to raise the temperature of 1 lb of water by 1 oF.
Calculate the number of joules in a Btu.
Enter your friends' email addresses to invite them:
Join thousands of students and gain free access to 46 hours of Chemistry videos that follow the topics your textbook covers.