716073
Description
Flashcards by alexandra.singca, updated more than 1 year ago
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Created by alexandra.singca
about 10 years ago
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| Question | Answer |
| How do you find the mass of one mole of a compound? | Add up all the relative atomic masses of the elements of the compound |
| What is Avogadro's Law? | The same volume of gas contains the same number of particles. It does not matter what gas you have, they all contain the same number of particles provided that they are at the same temperature and pressure. |
| What does one mole of a gas at room temperature and pressure equal? | 24,000 cm3 or 24dm3 |
| How do you create a chemical or symbol equation? | First write down the word equation. Then write down the symbols and formulae. After, balance the equation. |
| How can the number of moles of a gas be calculated? | Number of moles of a gas = Volume of gas/Volume of a mole |
| How can moles be measured in a solution? | Number of moles = Volume of solution (cm3) x mol/dm3/1000 |
| What is a mole? | The number of atoms in exactly 12 grams of 12C (carbon twelve). |
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