Answer:
Electric engines have efficiencies of roughly 90% whilst combustion engines about 10% to 30%. This is because combustion engines emit much more heat, which is always energy that is not used as work, and thus increases inefficiency.
Explanation:
Density of the vinegar is higher than the density of the oil.
Explanation:
Density of the vinegar is higher than the density of the oil. The consequence of this is that the oil will be the top layer in the pitcher while the vinegar is at the bottom layer in the pitcher.
When mixing oil and vinegar will not produce a mixture because the oil contains non-polar molecules while vinegar is a solution of acetic acid in water and both of them are polar molecules.
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liquids with different densities
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The substance that is in the smaller amount is the solute. so yes, the answer is true.
Answer:
1. equator
2. west to east
3. equator
4. north to south
5. hemisphears
Explanation:
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Ice cream will have a physical change because you can re freeze it and it will still be ice cream
