1: viewing any chemical reaction in a laboratory
2: dangerous to look at when it burns & used in photography, fireworks, and flares
3: the product
Answer:
Just ask google for help
Explanation:
I always do it and get it right
The answer is a I’m pretty sure
Answer:
Haven't evaporated all of the water
Explanation:
One of the main sources of error that occur in a formula of a hydrate lab is that all of the water is not evaporated. We can see at the end of the video that half of the CoCl2 is a light blue colors and the other half is a dark blue color. This indicates that all of the water still has not been evaporated off, resulting in the actual mass of the salt to be greater than the predicted value.
because the model makes the concepts easier to understand
Explanation:
A model would be useful because they make concepts easier to understand.
Models are abstractions of the real world.
- Scientists use model to make concepts easier to understand
- Models take parts of the real world and simulates them.
- They help remove the ambiguity that might be associated with studying the real world.
Learn more:
Model brainly.com/question/5012266
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