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olga nikolaevna [1]
3 years ago
14

Please help, will give the brainiest answer

Chemistry
1 answer:
iren2701 [21]3 years ago
8 0

Answer:

Ag+Nano3 yes

MN + Cao.?No

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What is the number of protons and electrons in a neutral atom of<br> Lithium?
nadya68 [22]
If you look at the periodic table you will see the atomic number (the smaller number) which is 3. that identifies how many protons there are. since the lithium is neutral that means there’s a same amount of electrons.

therefore there’s 3 electrons and 3 protons

3 0
3 years ago
What will happen to the following equilibrium if Cl2
REY [17]

The following equilibrium will shift in the direction of the product:

<h3>Further explanation</h3>

Given

Reaction

4HCl + O₂ → 2H₂O + 2Cl₂

Cl₂  was removed

Required

Equilibrium changes

Solution

Reaction = - action

adding the products ⇒ Shifts in the direction of the reactants

reducing the products ⇒Shifts in the direction of the products

Cl₂ as a product, so if Cl₂ is taken or reduced, the reaction will try to maintain system equilibrium by moving to the right (product formation) ⇒ Shift in the direction of the product:

7 0
3 years ago
An elixir of ferrous sulfate contains 220 mg of ferrous sulfate in each 5 ml. if each milligram of ferrous sulfate contains the
natita [175]
To determine the mass of elemental iron in the elixir, we need to understand the given values given above. We are given the following:

Mass of ferrous sulfate = 220 mg
Volume of the elixir = 5 mL
Mass of elemental iron / mass of ferrous sulfate = 0.2 mg Fe / mg ferrous sulfate

Therefore, from the given values, we simply multiply the mass of the ferrous sulfate in the elixir and the equivalent mass of elemental iron per mass of ferrous sulfate. We do as follows:

Mass of Fe = 220 mg ferrous sulfate  ( 0.2 mg Fe / mg ferrous sulfate )
Mass of Fe = 44 mg
7 0
4 years ago
Los alcoholes de cadenas largas presentan ________ puntos de ebullición. Asimismo, éstos al tener ________, el punto de ebullici
kow [346]

Answer:

Los alcoholes de cadena larga tienen <u>altos</u> puntos de ebullición. Además, cuando tienen <u>ramificación</u>, el punto de ebullición disminuye

Explanation:

El punto de ebullición de un alcohol se ve afectado, las interacciones dipolo-dipolo, las fuerzas de dispersión de van der Waals y los enlaces de hidrógeno.

Las fuerzas de las interacciones dipolo-dipolo y los enlaces de hidrógeno son más o menos las mismas en la serie de alcohol en serie, sin embargo, a medida que aumenta la longitud del alcohol, las fuerzas de dispersión de van der Waals aumentan debido al aumento de la atracción dipolo-dipolo.

Sin embargo, a medida que el alcohol se vuelve más ramificado, el área de la superficie aumenta, lo que disminuye las fuerzas de van der Waals, de modo que se requiere menos fuerza para separar las moléculas y hervir una muestra del alcohol.

Por tanto, los alcoholes de cadena larga tienen puntos de ebullición <u>elevados</u>. Además, cuando tienen <u>ramificación</u>, el punto de ebullición disminuye.

6 0
3 years ago
The radius of the large cylinder of a hydrolic press
Sloan [31]

Answer: 1) 400N

2)1.6

Explanation:

1) 5cm = 100N of force

so

20cm=400n

2) 0.4 X 4 = 1.6

3 0
3 years ago
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