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UNO [17]
3 years ago
10

What is the volume of 120mg of water

Chemistry
1 answer:
iVinArrow [24]3 years ago
7 0

Answer:

560mg

Explanation:

120mg-560mg trust dude

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Convert 2.55 moles of water to grams.
Vlada [557]

Explanation:

No of mass = no of moles × molar mass

=2.55 × 18 g

= 45.9 g

6 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
What is radium used for
Bas_tet [7]

Answer:

Radium is used to produce Radon  

Explanation:

Radon is a gas used to treat cancer (certain types).

6 0
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What objects in the solar system are larger
GalinKa [24]

Answer:

d

Explanation:

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6 0
2 years ago
The atomic number of an atom is always equal to the number of its what ??
Marianna [84]
The answer is protons and electrons! Hope this helps :D
3 0
3 years ago
Read 2 more answers
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