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diamong [38]
3 years ago
5

What should I do if I have a friend who i talk to everyday and I like him but he doesn’t like me?

Chemistry
2 answers:
Lera25 [3.4K]3 years ago
7 0

Answer:

Well, you should talk to him and invite him out to dinner at a fancy restaurant. Now's your chance to dress super pretty and look gorgeous. Then he will definitely fall for you.

azamat3 years ago
5 0

Answer:

you never know but manifestation never hurts.

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Can someone plz help me with this ​
lara31 [8.8K]

A would be states of matter

B would be density

C would be Liquid

J is oxidation

H would be acid

D would be gas

I would be base

thats all i remember

7 0
3 years ago
What is the IUPAC name of KNO3<br>​
Tasya [4]
Answer: potassium nitrate


hope this helps
4 0
3 years ago
Read 2 more answers
What is the limiting reactant for the following balanced equation when 9 moles of AlF3 are mixed with 12 miles of O2?
tamaranim1 [39]
<h2>Answer:AlF_{3} </h2>

Explanation:

The chemical equation of the reaction that occurs when AlF_{3} reacts with O_{2} is

4AlF_{3}+3O_{2}→2Al_{2}O_{3}+6F_{2}

4 moles of AlF_{3} requires 3 moles of O_{2}.

1 mole of AlF_{3} requires \frac{3}{4} moles of O_{2}.

Given that we have 9 moles of AlF_{3}.

9 moles of AlF_{3} requires \frac{3}{4}\times 9=6.75 moles of O_{2}.

But we have 12 moles of O_{2}.

So,AlF_{3}  will be consumed first.

So,AlF_{3}  is the limiting reagent.

3 0
3 years ago
Why is it better to conduct an experiment more than once?
lilavasa [31]

The first reason to repeat experiments is simply to verify results. Different science disciplines have different criteria for determining what good results are. Biological assays, for example must be done in at least triplicate to generate acceptable data. Science is built on the assumption that published experimental protocols are repeatable.


2)      The next reason to repeat experiments is to develop skills necessary to extend established methods and develop new experiments. “Practice make perfect” is true for the concert hall and the chemical laboratory.


3)      Refining experimental observations is another reason to repeat. Maybe you did not follow the progress of the reaction like you should have.


4)      Another reason to repeat experiments is to study and/or improve them in way. In the synthetic chemistry laboratory, for example, there is always a desire to improve the yield of a synthetic step. Will certain changes in the experimental conditions lead to a better yield? The only way to find out is to try it! The scientific method informs us that it is best to only make one change at a time.


5)  The final reason to repeat an extraction, chromatographic or synthetic protocol is to produce more of your target substance. This is sometimes referred to scale-up.

8 0
3 years ago
calculate the amount of energy (in kJ) to convert 337 grams of liquid water from 0 degrees celsius to water vapor at 177 degrees
Ghella [55]
Do you have any options
3 0
3 years ago
Read 2 more answers
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