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qwelly [4]
3 years ago
11

How are exothermic and endothermic reactions linked in the process of refining metal ore?

Chemistry
1 answer:
Alex777 [14]3 years ago
6 0
The intended sense is that of a reaction that depends on absorbing heat if it is to proceed. The opposite of an endothermic process is an exothermic process, one that releases "gives out" energy in the form of heat
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Complete the chart
Dimas [21]
1s: 2
2s: 1
2p: 0
3s: 0
3p: 0
4s: 0
3d: 0
4p: 0
5s: 0
Hope that helped
5 0
3 years ago
29.) What charge would you expect from a Group 1 atom when it becomes an ion?
Veronika [31]

Answer:

d

Explanation:

It is 1+ because when the periodic table is drawn well into there groups become cations

8 0
3 years ago
Read 2 more answers
The primary gas in a volcano is: water vapor carbon dioxide sulfur dioxide nitrogen
Snezhnost [94]

Answer:

Water vapor

Explanation:

The magma consist of dissolved gases when these gases produce the force the volcanic eruption take place. The volcanic gases comes out and their volume is increased tremendously. The gases present in volcano are listed below:

The volcanic gases consist of water vapors, carbon dioxide and sulfur.

These three re the primary gases but the water is present in higher amount.

The percentage of water is 60%.

The carbon dioxide present in 10-40%.

Other gases present in valcano are nitrogen, argon, helium, neon methane and hydrogen.

7 0
3 years ago
Read 2 more answers
What is the oxidation number for zinc? How does zinc's electron configuration account for this oxidation number?
IRINA_888 [86]
+2 is the oxidation number for Zinc
<span>Oxidation Number for a Transition metal = Number of Unpaired d-electrons + Two s-electrons  
</span>[Ar]4s2 3d10 is the electron configuration for zinc. The d-block is full with 10 electrons meaning there are no unpaired d-electrons, so the oxidation number is 0 unpaired d-electrons + 2 s-electrons = +2
8 0
3 years ago
Balanced equation of sulphur dioxide ​
evablogger [386]

Answer:

SO₂

Here you go :)

Have a wonderful day :D

4 0
2 years ago
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