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densk [106]
3 years ago
8

2. Reflect polygon P using line l. P

Chemistry
1 answer:
SSSSS [86.1K]3 years ago
5 0
There is no photo , so I can’t really tell you the answer .
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This is 10th grade Chemistry
Ludmilka [50]
It’s the the 3rd one because equilibrium actually mean it’s equal or the same
4 0
3 years ago
Which property describes the shininess of an element?
goldenfox [79]

Answer: Metals are shiny and lustrous with a high density. They have very high melting and boiling points because metallic bonding is very strong, so the atoms are reluctant to break apart into a liquid or gas.

Explanation:

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6 0
3 years ago
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What happens to the pressure inside a rigid container if the
iVinArrow [24]

Answer: A. It doubles

Explanation:

7 0
3 years ago
How many formula units are in 25.4 g of MgCl2?
stiv31 [10]

Answer: 1.58 x 10^{23}

Explanation:

1 mole of magnesium chloride has a mass of 95.211 g and contains 6.022⋅10^{23}formula units of magnesium chloride, you can say that,

25.0 g x (6.022 x 10^{23} form units MgCl2) /95.211 = 1.58 x 10^{23}

5 0
3 years ago
Based on electronegativity, select the molecule with the most ionic character. Group of answer choices SBr2 OBr2 SeCl2 TeI2 SCl2
Basile [38]

Answer:

OBr₂

Explanation:

<em>The ionic character depends on the difference of electronegativity between the elements. The higher ΔEN, the greater the ionic character.</em>

SBr₂

ΔEN = |EN(S)-EN(Br)| = |2.5-2.8| = 0.3

OBr₂

ΔEN = |EN(O)-EN(Br)| = |3.5-2.8| = 0.7

SeCl₂

ΔEN = |EN(Se)-EN(Cl)| = |2.4-3.0| = 0.6

TeI₂

ΔEN = |EN(Te)-EN(I)| = |2.1-2.5| = 0.4

SCl₂

ΔEN = |EN(S)-EN(Cl)| = |2.5-3.0| = 0.5

OBr₂ is the molecule with the most ionic character.

4 0
3 years ago
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