3 years ago

If two charged objects are moved closer to each other, the electric force between them will?

Chemistry

1 answer:

snow_tiger [21]3 years ago

6 0

Get stronger that’s the answer hopefully

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Inga [223]

Answer:

a.) It is a chemical reaction because a new substance was formed and a colour change occurred in the reaction.

b.) Iron- Metallic element

sulpher- Non-Metalic element

Iron Sulphide- Compound

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3 years ago

What is the maximum amount of kcl that can dissolve in 200 g of water? (the solubility of kcl is 34 g/100 g h2o at 20°c.) (1 poi

Solnce55 [7]

The answer is 68g
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3 years ago

Element X has two isotopes. If 72.0% of the element has an isotope mass of 84.9 atomic mass units, and 28.0% of the element has

bija089 [108]

<h2>Answer:</h2>

Average atomic mass of an element is the sum of the masses of its isotopes each multiplied by its natural abundance

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ \sum\limits \: \% age \: of \: each \: isotope \times Atomic \: mass }{100} \\$

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ 72 \times84.9 + 28 \times 87 }{100} \\$

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ 6112.8 + 2436 }{100} \\$

$\footnotesize \longrightarrow \: \rm Average \: atomic \: mass = \dfrac{ 8548.8 }{100} \\$

$\footnotesize \longrightarrow \: \bf Average \: atomic \: mass = 85.488 \: amu \\$

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2 years ago

The dull coating, or tarnish, on an aluminum lawn chair is produced by a

aliina [53]

Option C. Aluminum atoms lose electrons to oxygen atoms.

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3 years ago

Read 2 more answers

How many moles of dipyrithione contain 8.0 x 10^24 atoms of N?

kirza4 [7]

8E24/6.022E23= 13.28 moles, where the denominator is Avagadro's number

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3 years ago