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defon
3 years ago
12

Does the speed of light depend on air temperture

Chemistry
1 answer:
Dominik [7]3 years ago
5 0
It might.
If the speed of light depends on the viscosity of the medium, then yes i think so.
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Pproximately how many particles are in 3 moles?
Fynjy0 [20]

Then why did you ask ??...........

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3 0
3 years ago
Compare the three types of bonds based on what happens to the Valence electrons of the atoms
MakcuM [25]
I do not know if this is the correct answer,

Ionic Bonds - Whichever two atoms give one electron to the other 

Covalent Bond - Is whenever two atoms share electrons and they go back and forth between the two

I do not know what the third type is you would have to comment and let me know and I will try to find it for you! :)
7 0
3 years ago
What process at the surface of the Earth is part of the formation of sedimentary rocks?
OLga [1]

Answer:

Clastic sedimentary rocks are made up of pieces (clasts) of pre-existing rocks. Pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. If the sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.

please give brainliest

3 0
3 years ago
Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq) , as described b
Nostrana [21]

Answer:

0.676 grams of manganese (IV) oxide should be added.

Explanation:

Moles of chlorine gas = n

Volume of the chlorine gas = V = 205 mL = 0.205 L

Pressure of the chlorine gas = 705 Torr = \frac{705}{760}atm=0.928 atm

1 atm = 760 Torr

Temperature of the chlorine gas = T = 25°C = 25 + 273 K = 298 K

PV=nRT ( ideal gs equation)

n=\frac{PV}{RT}=\frac{0.928 atm\times 0.205 L}{0.0821 atm L/mol K\times 298 K}=0.00777 mol

MnO_2(s)+4HCl(aq)\rightarrow MnCl_2(aq)+2H_2O(l)+Cl_2(g)

According to reaction, 1 mole of chlorine gas is obtained from  1 mole of manganese(IV) oxide,then 0.00777 moles of chlorine gas will be obtained from :

\frac{1}{1}\times 0.00777 mol=0.00777 mol of manganese (IV) oxide

Mass of 0.00777 moles of manganese (IV) oxide:

0.00777 mol × 87 g/mol = 0.676 g

0.676 grams of manganese (IV) oxide should be added.

3 0
3 years ago
What is this because this is some stuff I don't know and supposedly they say its 7th grade stuff
HACTEHA [7]

Answer:

Radiation

Explanation:

The transfer of heat energy to hot body to cold body is called radiation

3 0
3 years ago
Read 2 more answers
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