Long term because if you leave something out to be weathered then it can’t be unweathered because of the drastic change of the object.
Answer:B, the colloid particles are larger.
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Answer:
100 mL
Explanation:
The reaction that takes place is:
- CaCO₃ + 2HCl → CaCl₂ + H₂O + CO₂
First we <u>convert 500 mg of CaCO₃ into mmoles</u>, using its <em>molar mass</em>:
- 500 mg ÷ 100 mg/mmol = 5 mmol CaCO₃
Then we <u>convert 5 mmoles of CaCO₃ into HCl mmoles</u>, using the <em>stoichiometric coefficients of the balanced reaction</em>:
- 5 mmol CaCO₃ *
= 10 mmol HCl
Finally we <u>calculate the volume of a 0.10 M HCl solution (such as stomach acid) that would contain 10 mmoles</u>:
- 10 mmol / 0.10 M = 100 mL
Answer:

Explanation:
Hello!
In this case, given the relationship between velocity, wavelength and frequency:

By plugging in the given wavelength and frequency, we obtain the following speed:

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D.)14 to 16 days ... at least for a fly with is an insect also
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