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AfilCa [17]
2 years ago
13

How many centimeters are in 5 miles? Hint: 1 miles = 5280 feet

Chemistry
1 answer:
KatRina [158]2 years ago
7 0
804,672 centimeters ❤️‍
You might be interested in
Annie learns that the compound sulfuric acid is called the universal chemical. The acid is used in everything from gasoline to p
pochemuha

Answer:

D. H2SO4

Explanation:

The chemical  formula of a compound is an expression that stares out the elements (in form of symbols)present in a compound and the number of the atoms.

In the image;

There is one sulphur (S) atom, 4 oxygen(O) atoms and 2 hydrogen (H) atoms

The chemical formula is;

H2SO4.

The correct option is option D.

4 0
2 years ago
SI unit for measuring distance is
MrMuchimi
The SI unit for measuring distance is the meter.
I attached a table of SI measurements for you :)
Hope this helped!

6 0
3 years ago
ANYONE THATS GOOD WITH CHEMISTRY PLEASE HELP!
sergejj [24]

CH2O. You can reduce 8, 16, and 8 to 1, 2, and 1. You just simplify the numbers. When there is no number after an element, it means that there is one of them.

5 0
3 years ago
What is the percent of oxygen by mass in C2H402
Rom4ik [11]

Answer:

53.3 %.

Explanation: C2H4O2. = 2 * 12.011 + 4 * 1.008 + 2 * 15.999. = 60.052.

6 0
2 years ago
In trying to control fall armyworms in crops, an Agriculture extension officer applied cypermethrin which was prepared by dissol
sveta [45]

Answer:

Mole fraction for C₂₂H₁₉Cl₂NO₃ = 0.0086

Explanation:

Mole fraction remains a sort of concentration. It indicates:

moles of solute / (moles of solute + moles of solvent)

Moles of solute / Total moles.

Solute: Cypermethrin → C₂₂H₁₉Cl₂NO₃

Solvent: Water (PM = 18g/mol)

We calculate moles from solvent: 1000g /18 g/mol = 55.5 moles

We calculate PM for C₂₂H₁₉Cl₂NO₃

12g/mol . 22 + 1g/mol . 19 + 35.45 g/mol . 2+ 14g/mol + 16g/mol . 3 = 416 g/m

Moles of solute: 200 g / 416g/mol = 0.481 moles

Total moles: 0.481 + 55.5 = 55.98 moles

Mole fraction for C₂₂H₁₉Cl₂NO₃ = 0.481 moles / 55.98 moles = 0.0086

8 0
2 years ago
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