Hello!
Vinegar would be most effective in dissolving the deposits of Hard Water.
Vinegar (CH₃COOH) is a weak acid, while Calcium Carbonate (CaCO₃), being the salt of a weak acid, will be a weak base. These two compounds will react together in the following way:
2CH₃COOH + CaCO₃ → (CH₃COO)₂Ca + H₂CO₃
H₂CO₃ reacts further to yield Water and CO₂
H₂CO₃ → H₂O + CO₂(g)
So, vinegar would be effective at dissolving CaCO₃, and we should see bubbles as a proof that a reaction has occurred.
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Answer:
Summer
Explanation:
Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
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Answer:
Loam soil* is soil composed of equal parts sand, silt, and clay.
Explanation:
C is the answer did y get it right
The molecule is unstable and impossible to create the PCl_6
Only one way is that change the formula
Lets look at structure(See attachment)
There are total 7atoms
