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nika2105 [10]
3 years ago
5

Why are there 24 hours in 1 day? ​

Chemistry
2 answers:
Sloan [31]3 years ago
4 0
Because there are 60 mins in an hour
LuckyWell [14K]3 years ago
3 0

Answer:

idfk

Explanation:

cause God made it that way

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Which activity might help to increase the validity of this experiment?
MArishka [77]
A should be the answer because the more you test an experiment the more data you have to rely on changing the experiment would cause you to have different outcomes making the results different and unreliable so B, C, and D is not going to be the answer Hope this helps
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3 years ago
All atoms of the same element have the same:
Korvikt [17]
They have the same number of protons
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Al2O3 would be typed in as Al2O3 Al2(SO4)3 would be typed in as Al2(SO4)3.
N76 [4]

Answer:

Explanation:

Hello,

We are required to write the chemical formula of the following compounds

1. Calcium nitride = Ca₃N₂

2. Magnesium Phosphide = Mg₃P₂

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6. Nickel(ii) nitrite = Ni(NO₂)₂

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9. Manganese(ii)nitrate = Mn(NO₃)₂

The left hand side are the common names when the right hand side are the chemical formula.

4 0
3 years ago
Which of the following is a way to manage asthma? *
Gala2k [10]

Answer:

all of this

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hope that helps

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2 years ago
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A cylindrical glass bottle 21.5 cm in length is filled with cooking oil of density 0.953 g/mL. If the mass of the oil needed to
jeka57 [31]

Answer:inner Diameter =9.19cm

Explanation:

Density is calculated as Mass/ Volume

therefore

Volume= Mass/ Density = 1360g/ 0.953g/ml=1,427 ml

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1,427ml = 1,427cm³

Also We know that Volume of a cylinder = πr²h or  πr²l

1,427cm³ = 3.142 x r² x 21.5 cm

 r² =  1,427cm³/ (3.142 x 21.5cm)

r² =21.124cm²

\sqrt{21.124}= r²

r= 4.596cm

Diameter=  2 x radius

=2 x 4.596

=9.19cm

7 0
3 years ago
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