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iogann1982 [59]
2 years ago
15

True or Fase. Every substance has to be classified as either acid or base?

Chemistry
1 answer:
Sever21 [200]2 years ago
8 0

Answer:

False

Explanation:

Some substances don't have to be

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Many people think that summer is warmer because the earth is closer to the sun at that time of year. explain why
Marysya12 [62]
Summer days are warmer because the path of the sun is longer and we have more direct sunlight during that time
5 0
2 years ago
7. Allicin, C6H65,0, is the compound that gives garlic its odor. A sample of allicin contains 3.0 X 1021 atoms of carbon. How ma
Leona [35]
N(C): N(H)=n(C): n(H)=6: 10
3×10²¹: x=6: 10
x=5×10²¹
4 0
2 years ago
Potassium is a metal. Which property would you expect it to have?
bazaltina [42]

Answer: It’s a bad conductor of electricity

Explanation:

8 0
2 years ago
Read the following chemical equation. Mg(s) + H+ Cl− → Mg2+ Cl− + H2 What most likely happens during this reaction?
spin [16.1K]

Answer:

Magnesium loses two electrons.

Explanation:

  • As clear from the reaction Mg converted from <em>Mg(s) to Mg²⁺</em>, so Mg converted from the oxidation state (0) to (2+).

<em>∴ Mg losses two electrons.</em>

  • Cl⁻ remains as it is, so it is considered as a catalyst and neither loss nor gain any electrons.

<em>So, the correct choice is Magnesium loses two electrons.</em>

6 0
3 years ago
Read 2 more answers
Stomach acid is approximately 0.10 M HCl. How many mL of stomach acid can be neutralized by one regular antacid tablet that cont
Radda [10]

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 * \frac{2mmolHCl}{1mmolCaCO_3} = 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
7 0
2 years ago
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