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laila [671]
3 years ago
14

Which chemical symbol describes an element? o H2O o 02 o CH4 o H2 SO4

Chemistry
2 answers:
ra1l [238]3 years ago
4 0
H20 is the answer to your question
navik [9.2K]3 years ago
4 0

Answer:

H20

Explanation:

. It is a symbol of water where H = Hydrogen, O = Oxygen and2 Elements in hydrogen and 1 element in oxygen;therefore its known as H2O.

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3 years ago
If 13.8 moles of carbon (c), with a density of 2.26 g/ml, are needed for a chemical reaction, how many milliliters of carbon are
charle [14.2K]

13.8 moles of carbon = 12 g/mol*13.8 or 165.6 grams

165.6 grams/ 2.26 g/mL = 73.27434 or 73.3 mL


I hope this helps!!!!


8 0
3 years ago
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A substance with a pH of 9 ha
TEA [102]

Answer:

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Explanation:

5 0
3 years ago
Please help which one is it
creativ13 [48]

Answer:

d:more dense and falls

Explanation:

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2 years ago
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