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IRINA_888 [86]
3 years ago
8

Why clouds look white?​

Chemistry
1 answer:
aniked [119]3 years ago
3 0
Because they want to be
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In the Periodic Table, what is the relationship between two elements that are placed side-by-side in a row?
marusya05 [52]
Answer is D. The periodic table rows are arranged by increasing atomic number. The atomic number is decided by how many protons they have.
5 0
3 years ago
describe the contributions of hans christian oersted to our inderstanding of magnetism and electricity
Marina CMI [18]
He made a new approach when he discovered magnetism and electricity.
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Binary molecular (covalent) compounds are formed as the result of a reaction between two nonmetals. Although there are no ions i
ollegr [7]

Answer:

Binary molecular compounds are the compounds consisting of two non-metallic elements. Examples of binary molecular compounds include: NO2, HCl, HF, P2O5 e.t.c.

Rules For Naming Binary Molecular Compounds

Naming binary molecular compounds is quite easy,

1. The first element is given its name.

2. The second element is given its root name (such as, hydro, carb,ox, chlor e.t.c.) followed by suffix <em>ide.</em>

Name of N2O4 - Dinitrogen tetraoxide

Chemical Formula of;

 iodic acid: HI

disulfur trioxide: S2O3

dinitrogen monoxide: N2O

hydrofluoric acid: HF

Difference between Binary acid and an oxyacid

An oxyacid is an acid consisting of an oxygen atom bonded to a hydrogen atom and at least one other non-metallic element. Examples of oxyacids include HNO3, H2SO4 e.t.c.

Binary acids are the acids consisting of hydrogen atom bonded to a non-metallic element. Examples include HF, HCl, HI  e.t.c.

7 0
3 years ago
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Pleaaase argent !!! Explain ur answers
shtirl [24]

Answer:

1. Dynamic equilibrium is a equilibrium in which the rate of forward direction is equal to the rate of backward direction. It is represented by a right left arrow.

2) Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_c  

For the given chemical reaction:

Fe^{3+}(aq)+SCN^-(aq)\rightleftharpoons [Fe(SCN)]^{2-}(aq)

The expression for K_c is written as:

K_c=\frac{[[Fe(SCN)]^{2-}]}{[Fe^{3+}][SCN^-]}

3) The value of K_c is 1000 , which means the products are more favoured as compared to reactants and that the equilibrium lies more towards product side.

4 0
3 years ago
Q. Calculate the number of atoms in each of the following (i) 52 moles of Ar (ii) 52 u of He (iii) 52 g of He​
andreyandreev [35.5K]

\huge\mathfrak\red{❥︎AnSweR:-}

(i) 1 mole of Ar =6.022×10^23

atoms of Ar

52 mol of Ar=52×6.022×10 ^23

atoms of Ar =3.131×10 ^25 atoms of Ar

(ii) Atomic mass of He = 4amu

Or

4amu is the mass of He atoms = 1

Therefore 52 amu is the mass of He atoms=0.25×52=13 atoms of He

(iii) Gram atomic mass of He = 4g

Or

4g of He contains =6.022×10 ^23

atoms

Therefore 52 g of He contains=

6.022×10 ^23/4×52 =7.83×10 ^24 atoms

7 0
2 years ago
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