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trapecia [35]
3 years ago
11

3.) Why was the crucible placed in a drying oven overnight?

Chemistry
1 answer:
yanalaym [24]3 years ago
8 0
Because they wanted the crucible to be dry?
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Which of the following pairs contains a conjugate acid-base pair?
zzz [600]
Remember that a conjugate acid-base pair will differ only by one proton. 
None of the options you listed are conjugate acid-base pairs as none of them differ only by one proton (or H⁺)
An example of a conjugate acid-base pair would be NH₃ and NH₄⁺NH₃ + H₂O --> NH₄⁺ + OH⁻NH3 is the base, and NH₄⁺ is the conjugate acid
5 0
3 years ago
The states of matter involved in a milkshake
Anna [14]

Answer:

it is a liquid that is made from the combination of a liquid and a solid.

Explanation:

When these two states of matter are ground and mixed together, they form one state that is liquid

6 0
2 years ago
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which are correct formulas for ionic compounds? for those that are not correct, give the correct formula and justify your answer
galina1969 [7]

Answer:

a. AlCl is incorrect because Al has a +3 charge while Cl only has a -1 charge. The correct formula would be AlCl₃. This balances the charges.

b. Na₃SO₄ is incorrect because Na has a charge of +1 and there are three of them so its +3 and SO₄ has a charge of -2. The correct formula would be Na₂SO₄. This balances the charges.

c. BaOH₂ is incorrect because the polyatomic ion OH would not be written that way. It would be written like this Ba(OH)₂. Writing it like BaOH₂ gives the impression that instead of having 2 OH it has 2 H and 1 O.

d. Fe₂O is incorrect because Fe either has a +2 charge or +3 charge while O has a -2 charge. Possible correct answers could be FeO (iron (II) oxide) or Fe₂O₃ (iron (III) oxide).

4 0
3 years ago
Which has a positive impact on land
sergejj [24]

\huge\tt\fbox\pink{↪Answer:–}

▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

\red\bigstar\:Explanation

<h3>Option c Deforestation.</h3>

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<h2>I hope it will help you. </h2>
7 0
2 years ago
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Why do things dissolve faster in hot water
morpeh [17]
Because of the heat, steam
3 0
3 years ago
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