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neonofarm [45]
3 years ago
8

The word equation for the reaction between magnesium carbonate and hydrochloric acid is shown below.

Chemistry
2 answers:
alexandr402 [8]3 years ago
6 0
The lime water would become cloudy/milky is carbon dioxide is present. depending on the strength of the acid it will be between 1 and 3.
Juli2301 [7.4K]3 years ago
3 0
7. It may neutralize.

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You have 100 mL of a 12M solution of HCl, and you need to dilute it to 1.5M for an experiment. How many liters will your new sol
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Answer:

800.0 mL.

Explanation:

  • To solve this problem; we must mention the rule states the no. of millimoles of a substance before and after dilution is the same.

<em>(MV)before dilution of HCl = (MV)after dilution of HCl</em>

M before dilution = 12.0 M, V before dilution = 100.0 mL.

M after dilution = 1.5 M, V after dilution = ??? mL.

∵ (MV)before dilution of HCl = (MV)after dilution of HCl

∴ (12.0 M)(100.0 mL) = (1.5 M)(V after dilution of HCl)

<em>∴ V after dilution of HCl = (12.0 M)(100.0 mL)/(1`.5 M) = 800.0 mL.</em>

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3 years ago
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No math is needed to explain this. All that you need to know is that the can (4°C) is in your hand (37°C).

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Remember that "cold" doesn't exist. What we describe to be cold is actually a lack of heat.

So, by applying the two ideas above, it can be concluded that:

Since your hand is warmer than the can, the heat from your hand will be transferred to the can in order to reach an equal temperature.

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It should be A
But you have this as chemistry? I think this is like a biology question
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Read 2 more answers
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