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Inga [223]
3 years ago
10

Which is bigger km, m, cm, mm

Chemistry
1 answer:
hjlf3 years ago
3 0
Km is a bigger (longer) distance
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Whats molecular formula of 26,4% carbon , 3,3 % Hydrogen and 70,3% oxygen?
Andrews [41]

Explanation:  Therefore the molecular formula is twice the empirical formula: C2H6O2. The compound dioxane contains only carbon, hydrogen, and oxygen. When 0.956 g dioxane is burned, 1.91 g carbon dioxide and 0.782 g water are formed. In another experiment, it was determined that 6.04x10-3 mol dioxane weighs 0.532 g.

6 0
3 years ago
Read 2 more answers
Carbon is a synthetic element and is not normally found in nature.<br><br> True or False
Inessa05 [86]
False. Carbon is definitely one of the 92 naturally occurring elements within the periodic table.
6 0
4 years ago
A compound is formed when 12.2 g Mg combines completely with 5.16 g N. What is the percent composition of this compound? Please
Viefleur [7K]
3Mg + N₂ → Mg₃N₂
n(Mg) = 12,2g÷24,4g/mol = 0,5mol - limiting reagente.
n(N₂) = 5,16g÷28g/mol = 0,18mol
n(Mg₃N₂):n(Mg) = 1:3, n(Mg₃N₂) = 0,166mol
m(Mg₃N₂) = 0,166mol·101,2g/mol = 16,8g.
%(N)= 2·Ar(N)÷Mr(Mg₃N₂) = 2·14÷101,2 = 27,66% = 0,2766
%(Mg) = 3·Ar(Mg)÷Mr(Mg₃N₂) = 3·24,4÷101,2 = 72,34%
              or 100% - 27,66% = 72,34%.
7 0
4 years ago
What is the name of CH3CH2OCH2CH3?
natali 33 [55]

Answer:

It is an ether so the nomenclature rule for naming the above compound will be:Alkoxy alkane , generally Alkoxy represent the smaller alkyl group and as in the above question both the alkyl group are same so it's IUPAC Name will be: Ethoxy ethane or Diethylether both are correct

Explanation:

happy to help ya!

5 0
3 years ago
C5H9O+O2=CO2+H2O balance equation
Gre4nikov [31]
2 C5H12O + 15 O2 = 10 CO2 + 12 H2O

Hope this helped :)
5 0
3 years ago
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