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2 years ago

What is the chemical formula for copper(II) sulfate? CuSOmc026-1.jpg Cumc026-2.jpgSOmc026-3.jpg CuS Cumc026-4.jpgS

Chemistry

2 answers:

Sati [7]2 years ago

8 0

The chemical Formula is CuSO4

jeyben [28]2 years ago

5 0

Answer: $CuSO_4$

Explanation: For formation of a neutral ionic compound, the charges on cation and anion must be balanced. The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non metals.

Here Copper is having an oxidation state of +2 and sulfate is a polyatomic ion with oxidation state of -2. Thus they combine to form neutral $CuSO_4$ .

The cations and anions being oppositely charged attract each other through strong coloumbic forces and form an ionic bond.

$Cu^{2+}+SO_4^{2-}\rightarrow CuSO_4$

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2 years ago

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2 years ago

How many electrons in an atom can have each of the following quantum number or sublevel designations?

lutik1710 [3]

Answer: a:6 electrons, b:10electrons, c: 2electrons

Explanation:

1.Principle quantum number(n)

n is the number of shell, it is a positive integer. The maximum number of electrons in a shell is 2(n2)

2.Azimuthal quantum number(l)

l is the number of subshell in the principal shell

The name of subshell are s, p, d, f

The number of nodes in each subshell is

s is l=0, p is l=1, d is l=2, f is l=3.

Each shell can have 2 x l + 1 sublevels, and each sublevel can accommodate maximum of 2 electrons and have two electrons.

A. n=2, l=1 then 2 x 1 + 1= 3 subshell, 3*2= 6 electrons in the p subshell

b. 3d, d is l = 2 then 2 x 2 + 1 = 5 sublevels, 5*2=10 electrons in the d subshell

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2 years ago

En una estructura de concreto cuyo peso es de 8500 n se apoyo sobre un area de 25cm2,hallar la presion ejercida sobre su base

babymother [125]

Respuesta:

340 N/cm²

Explicación:

Paso 1: Información provista

Peso de la estructura (F): 8500 Newton

Area superficial (A): 25 cm²

Paso 2: Calcular la presión (P) ejercida por la estructura de concreto sobre su base

La presión es igual al cociente entre la fuerza ejercida y la superficie sobre la que se aplica.

P = F/A

P = 8500 N / 25 cm² = 340 N/cm²

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2 years ago