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tatiyna
3 years ago
7

The residue of coal decomposition that is used in the manufacture of steel is called

Chemistry
1 answer:
Svetach [21]3 years ago
3 0
Coke.

The coke is produced by the carbonization of coal.
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Which of the following chemicals is implicated in both global warming and ozone depletion?a. chlorofluorocarbons b. sulfur dioxi
Bingel [31]

Answer:

A

Explanation:

Chlorofluorocarbons generally abbreviated as CFCs are a group of organic chemicals used in several household and industrial materials and are responsible for global warming and ozone depletion.

Global warming is the general increase in the atmospheric temperature of the earth continually over the years. It is a direct consequence of climate change which is caused by the continuous release of green house gases into the atmosphere which trap radiated heat from the sun.

Ozone depletion involves anthropogenic activities which lead to decreasing the natural spread of the ozone layer which prevents the direct contact between the sun UV radiation and the earth.

CFCs are implicated in both cases as they are responsible for the two I.e they cause global warming and also deplete the ozone layer. Years back they are basically used in most aerosol cans like perfumes spray, insecticide spray etc. However as a result of the increased knowledge of their dangers, there had been legislations which had cut down on their continuous usage with alternatives being used

7 0
2 years ago
How can you determine the products of a single or double displacement reaction?
Pavlova-9 [17]

Explanation:

A single-replcaement reaction is a chemical reaction in which one element replaces another in a compound.

A double replacement reaction is a reaction in which the metals in two ionic compounds exchange partners.

8 0
2 years ago
How is a compound different from a mixture?
Marrrta [24]

Answer: a compound is a chemically made or chemically bonded where as a mixture is just something added like a smoothie

6 0
2 years ago
Read 2 more answers
Why does a solid change to a liquid when heat is added
Nata [24]
Particles will have more energy and will vibrate really fast.

(Hope this helps)
4 0
3 years ago
Read 2 more answers
46.6 grams of mercury II sulfate (HgSO4) reacts with an excess of sodium Chloride (NaCl). How many grams of mercury II chloride
slega [8]

Answer:

m_{HgCl_2}=42.7gHgCl_2

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

HgSO_4+2NaCl\rightarrow HgCl_2+Na_2SO_4

In such a way, the mercury II sulfate (molar mass 296.65g/mol) is in a 1:1 molar ratio with the mercury II chloride (molar mass 271.52g/mol), for that reason the stoichiometry to find mass in grams of mercury II chloride turns out:

m_{HgCl_2}=46.6gHgSO_4*\frac{1molHgSO_4}{296.65 gHgSO_4}*\frac{1molHgCl_2}{1molHgSO_4} *\frac{271.52gHgCl_2}{1molHgCl_2} \\\\m_{HgCl_2}=42.7gHgCl_2

Best regards.

3 0
2 years ago
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