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natima [27]
2 years ago
13

Write a balanced equation for the extraction of zinc in a blast furnace pls help quick.

Chemistry
1 answer:
Eduardwww [97]2 years ago
4 0

Answer:

\huge\color {pink}\boxed{\colorbox{black} { QUESTION♡}}

Write a balanced equation for the extraction of zinc in a blast furnace pls help quick

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If an atom has a neutral charge what does that tell you
andrew11 [14]
The answer is C. There needs to be equal numbers of protons and electrons. If there are more or less electrons then the atom is no longer neutral! The number of electrons will equal the number of protons In a neutral atom and the number of protons is the atomic number.
6 0
3 years ago
A piece of solid carbon dioxide, with a mass of 7.8g,is placed in a 4.0-L otherwise empty container at 278C. What is the pressur
sukhopar [10]

Answer:

First question: P = 2.00 atm (1520 torr)

Second question: Partial pressure of carbon dioxide: 2.00 atm (1520 torr); total pressure: 2.97 atm (2260 torr).

Explanation:

The molar mass of caron dioxide, CO₂, is:

12 g/mol of C + 2*16 g/mol of O = 44 g/mol

The number of moles is the mass divided by the molar mass:

n = 7.8/44 = 0.1773 mol

By the ideal gas law:

PV = nRT

Where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant (0.082 atm*L/mol*K), and T is the temperature (278ºC + 273 = 551 K).

So, the pressure will be:

P*4 = 0.1773*0.082*551

P = 2.00 atm = 1520 torr

If there was air in the container, the partial pressure of the carbon dioxide will still the same, 2 atm (1520 torr), because the partial pressure is the pressure the substance would have if it eas alone in the container.

The total pressure is the sum of the partial pressures, so

Pt = 740 + 1520 = 2260 torr = 2.97 atm

7 0
3 years ago
A stable, binary ionic compound exists where the cation (A) has a change twice in magnitude than that of the anion (X)
love history [14]

Answer:

AX₂

Explanation:

Binary compounds:

The compounds which are made up of the atoms of only two elements are called binary compounds.

For example:

The following compounds are binary:

HCl

H₂O

NH₃

HCl is binary because it is composed of only hydrogen and chlorine. Ammonia is also binary compound because it is made up of only two elements nitrogen and hydrogen.

water is also binary because it is also made up of only two elements hydrogen and oxygen.

In given question it is stated that the charge of cation is twice than the anion which means its charge would be +2 thus anionic part will have the charge -1. In neutral compound the positive and negative charges must be equal in magnitude to cancel the effect of each other and make the compound neutral. So, there must be two anionic atom present so that charge becomes -2 and cancel the +2 charge of cationic part. Thus the formula will be,

AX₂

A⁺²X₂⁻²

8 0
3 years ago
Pls help me <br> brainliest, rattings etc<br> its 2 questions and I am very confused!<br> 8 pts!
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