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3 years ago

Nevermind i got it dont need help thanks

Chemistry

1 answer:

OverLord2011 [107]3 years ago

4 0

Answer:

Ok then...

Explanation:

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Cesium metal is frequently used in photoelectric cells because the amount of energy necessary to eject electrons from a cesium s

dybincka [34]

Answer:

Wavelength of light in (nm) = 579 nm

Explanation:

At first you find out the amount of energy needed to just eject one electron. This is given by $\frac{Energy}{Avogadro's number}$

this energy is given in question in kj/mole. This $\frac{Energy}{Avogadro's number}$ is the work function of cesium for each electron is equal to the planc'k einstein equation.

8 0

3 years ago

How does the study of science benefit society

svet-max [94.6K]

1.Use of contraceptives help the members of the society to control population.
2.By advancing the way of development in society.
3.Brings a kind of practical thoughts in the pendulianers...

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4 years ago

Read 2 more answers

What is 8.211 km - 4.0060 km + 1.31 km

gizmo_the_mogwai [7]

5.515km.
With BIDMAS, you would do the addition first and then do the subtraction.

6 0

2 years ago

What are the Common compounds of niobium in which it is found

blagie [28]

Explanation:

Common Compounds of Niobium Nb

[Nb+3, Nb+5]

Compound NameFormulaMolar Mass

Niobium(III) OxideNb2O3233.811

Niobium(III) SulfateNb2(SO4)3474.0006

Niobium(V) PhosphateNb3(PO4)5753.576

Niobium(V) BromideNbBr5492.4264

Niobium(V) PentoxideNb2O5265.8098

Niobium OxychlorideNbOCl3215.2648

Niobium(V) IodideNbI5727.4287

Niobium(V) PentachlorideNbCl5270.1714

Niobium(V) ThiocyanateNb(SCN)5383.3184

Niobium(III) ChlorideNbCl3199.2654

Niobium(V) Dihydrogen PhosphateNb(H2PO4)5577.84259

Niobium NitrideNbN106.9131

Niobium(III) DichromateNb2(Cr2O7)3833.77676

Niobium HydroxideNb(OH)3143.9284

Niobium(V) PerchlorateNb(ClO4)5590.15938

Niobium(V) HypochloriteNb(ClO)5350.16838

Niobium(III) HypochloriteNb(ClO)3247.26358

Niobium(V) CarbonateNb2(CO3)5485.85726

Niobium(III) TartrateNb2(C4H4O6)3630.02564

Niobium(III) ChromateNb2(CrO4)3533.79386

Niobium(V) HexafluorosilicateNb2(SiF6)5896.192356

7 0

3 years ago

Several constructive processes helped build mountains on Earth. All BUT one of these is a way mountains can be built. That is

ValentinkaMS [17]

C) landslides.

Explanation:

Landslides is not a way in which mountains are built on earth. It is a destructive process in nature that causes the slumping and wasting of land masses.

Landslide is a form of mass wasting and does no build masses.

Volcanoes helps to build mountains on the crust and this way, igneous rocks are formed.

Deposition process upbuilds to form sedimentary rocks.

Faulting is a can also be a constructive process that builds a mountain in the case of horsts and graben

learn more:

Sedimentary rocks brainly.com/question/9131992

#learnwithBrainly

3 0

3 years ago