|
Criado por luucymarieee
mais de 9 anos atrás
|
|
Questão | Responda |
What is rate of reaction? | How much product is made in a fixed time |
What makes the collisions between partials more successful? | Higher temperature |
What makes the collision frequency of reacting particles higher? | Higher concentration |
What does a catalyst do? | Change the rate of reaction without changing the outcome of the reaction |
Why are finer powders more combustible? | They have a greater surface area exposed |
Why does increasing pressure increase the rate of reaction? | Because there are a higher number of collisions |
How can rate of reaction be calculated using a graph? | Using the gradient of a graph of volume and product against time |
When is mass conserved as in a chemical reaction? | As the reactants become products |
Why does the atom economy need to be as high as possible? | To reduce unwanted products |
Why does the percentage yield need to be as high as possible? | To reduce reactant waste and cost |
What is the equation for percentage yield? | |
What is the equation for atom economy? | |
What process is bond breaking? | Endothermic process |
What process is bond making? | Exothermic |
What process is used to make ammonia ? | Continuous |
What is the batch process used to make? | Pharmaceutical drugs |
How are chemicals extracted from plants? | By crushing, boiling, dissolving and chromatography |
Diamonds, graphite and fullerenes and allotropes of what? | Carbon |
Why can graphite conduct electricity? | It has electrons that can move between layers |
Quer criar seus próprios Flashcards gratuitos com GoConqr? Saiba mais.