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Andrews [41]
3 years ago
14

How would you write 2,200 in picometers? Or would the number just be 2,200 picometers? PLEASE HELP!

Chemistry
1 answer:
Anestetic [448]3 years ago
6 0
I believe your answer is 2200000000000000. I hope this can help you :)
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For each molecule, specify the polarity of the bonds and the overall polarity of the molecule.
olasank [31]
Each Be–Cl bond is polar because the two atoms have different electronegativities. The number of outer atoms (2) and lone pairs on the central atom (0) indicate that this molecule has a linear geometry. The bonds in a linear molecule are symmetric, and so their dipoles cancel out.

Each O–H bond is polar because the two atoms have different electronegativities. The number of outer atoms (2) and lone pairs on the central atom (2) indicate that this molecule has a bent geometry. The bonds in a bent molecule are asymmetric, and so their dipoles do not cancel out. In addition, the asymmetric arrangement of the lone pairs on O further contribute to the dipole of this molecule.

An O–O or O=O bond is nonpolar because the two atoms have the same electronegativity. Because there is no overall polarity in O2, the molecule is nonpolar.
5 0
3 years ago
A cart accelerating slower when mass was increased.<br> 1st Law - 3rd Law
svet-max [94.6K]

Answer:

Newton's second law

Explanation:

It is mentioning acceleration and mass

Newton's second law's equation = F = m*a

Hope u understood

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8 0
2 years ago
A mixture of lipids is applied to a silica gel column, and the column is then washed with increasingly polar solvents. the mixtu
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6 0
3 years ago
How many molecules are there in 3 moles of aluminum chloride ?
Svetradugi [14.3K]

there are 4 atoms in aluminum chloride

6 0
3 years ago
A student needed to make 100.0 mL of 0.20M NaOH solution. How many grams of sodium hydroxide does the student need to weigh out
GuDViN [60]

Answer:

0.08 g

Explanation:

100.0 mL = 0.10 L

Multiply the volume by the molarity to find moles.

0.10 L × 0.20 M = 0.002 mol

Convert moles to grams.

0.002 mol × 40 g/mol = 0.08 g

4 0
3 years ago
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