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never [62]
2 years ago
13

PLEASEEE HELPPPPP ASAPPPPPP!!!!

Chemistry
1 answer:
yulyashka [42]2 years ago
5 0

Answer:

look at the photo

...................................

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What is the use of oxyacetylene flame
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Answer:

An oxyacetylene torch can also be used for welding. When welding with an oxyacetylene torch, the flame is used to produce molten metal along the edge of two work pieces.

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3 years ago
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Which description best characterizes the motion of particles in a solid?
antoniya [11.8K]

The particles in a solid are tightly packed and locked in place. Although we cannot see it or feel it, the particles are vibrating in place.

As these molecules heat up, they will vibrate more vigorously, and will eventually turn to water, then gas.

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3 years ago
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Which is more acidic black coffee or orange juice
EastWind [94]
Black coffee since it is a darker colour and has a heavier taste
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3 years ago
Which of the following equations represent redox reactions? For each redox reaction, determine which atom is oxidized and which
makkiz [27]

Answer:

c. H2(g) + CuO(s) → Cu(s) + H2O(l)

e. H2(g) + Cl2(g) → 2HCl(g)

Explanation:

A redox reaction is a reaction that involves a changes in oxidation number of the species involved in the reaction.

The oxidizing agent experiences a decrease in oxidation number while the reducing agent experiences an increase in oxidation number.

For H2(g) + CuO(s) → Cu(s) + H2O(l)

Copper is reduced from +2 to 0 while hydrogen is oxidized from 0 to +2 Hence hydrogen is the reducing agent while copper is the oxidizing agent.

For H2(g) + Cl2(g) → 2HCl(g)

Chlorine is reduced from 0 to -1 while hydrogen is oxidized from 0 to +1. Hence chlorine is the oxidizing agent while hydrogen is the reducing agent.

4 0
2 years ago
Why are sodium (Na) and potassium (K) in the same group on the periodic table?​
Artyom0805 [142]

Explanation:

Sodium and potassium are in the same group on the periodic table because they both have similar number of valence electrons (1 electron) in their shells

Na = 2,8,1

K = 2,8,8,1

7 0
2 years ago
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