Answer: Many elements produce colors in the flame when heated.
Explanation:
The origin of this phenomenon lies in the arrangement, or “configuration” of the electrons in the atoms of the different elements In the flame test, if this energy has the form of visible light, the flame will produce a color characteristic of the element.
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Your answer to this question would be B. packaging waste.
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Answer:
The correct answer is 0.25 moles/liter
Explanation:
Molarity is a measure of concentration and is defined as the moles of solute in 1 liter of solution.
2 L solution-----0,5 moles of CaO
1 L solution -----x= (1 L solutionx0,5 moles of CaO)/2 L solution =
<em>x=0, 25 moles of Cao ---> 0,25M</em>
Because of water's specific heat capacity, it takes longer for the water to heat up. This is useful because if water heated up quickly, then the ocean would be literally boiling, and it would evaporate into the atmosphere.
