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kramer
3 years ago
12

1. What is the name of the metal which exists in liquid state at room temperature?

Chemistry
1 answer:
Bad White [126]3 years ago
5 0

Answer:

1. mercury.

2. suspensions.

3.iodine is the solute and alcohol is the solvent.

4. A element.

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Can help me with this
Dominik [7]

Answer:

sorry I can't I need points

Explanation:

I am so sorry I hope you understand I really am sorry I just can't afford to pay for the premium

3 0
3 years ago
How does physical properties differ from chemical properties?
juin [17]
It's A. 
Chemical properties cannot be determined by viewing or touching substance, and physical properties can be measured without changing the composition of matter:)
4 0
4 years ago
15. In the chemical equation H2O2(aq) → H2O(0) + O2(g), the O2 is a
sasho [114]

Answer:

oxygen

if it's helpful ❤❤

3 0
3 years ago
In the reaction H2CO3 (aq) + 2NH3 (aq) = 2NH4^+ (aq) + CO3 2- (aq), how many electrons are transferred?
aalyn [17]

The electrons are transferred when the reaction is redox reaction. It means that there must be reduction and oxidation.

The given equation is

H_{2}CO_{3} (aq)+2NH_{3} (aq)=2NH_{4}^{+}(aq)+CO_{3}^{-2}(aq)

The oxidation number of each element remains the same before and after the reaction.

H = +1

C: +4

O: -2

N: -3

Thus this is simple acid base reaction and not redox

There is transfer of proton from bicarbonate to ammonia

this is not a redox reaction


3 0
3 years ago
In which phase is the moon when in the position shown in the diagram?
Artist 52 [7]
Theres no diagram with your question but this should help

7 0
3 years ago
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