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Talja [164]
3 years ago
12

If steel (a metal) is hard and granite (a nonmetal) is hard, why don’t we make automobile engines out of granite?

Chemistry
1 answer:
Charra [1.4K]3 years ago
4 0
Because. just because.
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A 20.0 mL sample of a NaCl solution has a mass of 21.040g. After the solution is evaporated to dryness, the dry salt residue has
Vilka [71]
Mass NaCl = 4.348
Mass solution = 21.040 - 4.348 = 16.692
mass/mass % =
4.348/16.692
= 26%
mass/vol % =
21.7%
Molecular mass of NaCl = 58.5
Moles of NaCl = 0.074
Volume of solution = 0.02 L
Molarity = 3.7 mol/Liter
7 0
3 years ago
_______________ is when a compound containing carbon and hydrogen (and sometimes oxygen) combines with oxygen gas to produce car
kotykmax [81]

Answer:

C. Combustion

Explanation:

Combustion- an organic compound containing carbon, hydrogen and sometimes oxygen reacts  with oxygen gas to form carbon dioxide and water.

4 0
3 years ago
Round to 4 significant figures.<br> 35.5450
Masja [62]

Answer:

35.5450 will be rounded to 35.55

Explanation:

=35.5450

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3 0
3 years ago
Read 2 more answers
Which of the element pairs are in the same period?
Valentin [98]

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Caesium and Barium

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4 0
2 years ago
How is heat produced in a chemical change​
Snezhnost [94]

Answer:Hola UwU

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Explanation:Adios~ UnU haha

7 0
3 years ago
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