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Sauron [17]
4 years ago
10

Where else have you heard the term conversation? How does that term’s meaning in that other context relate to its meaning in che

mistry? Physical Elevate Science page 28 introduction to matter.
Chemistry
1 answer:
Mrac [35]4 years ago
7 0
I have no skins for you my brother and my girlfriend and my uncle are going out and have you come on the house for me to do you have to get on your phone
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What is the mole fraction of solute in a 3.19 m aqueous solution?
Bumek [7]
Molality= mol/ Kg

if we assume that we have 1 kg of water, we have 3.19 moles of solute. 

the formula for mole fraction --> mole fraction= mol of solule/ mol of solution

1) if we have 1 kg of water which is same as 1000 grams of water. 

2) we need to convert grams to moles using the molar mass of water 

molar mass of H₂O= (2 x 1.01) + 16.0 = 18.02 g/mol

1000 g (1 mol/ 18.02 grams)= 55.5 mol

3) mole of solution= 55.5 moles + 3.19 moles= 58.7 moles of solution

4) mole fraction= 3.19 / 58.7= 0.0543 
4 0
3 years ago
en el átomo la suma entre el número de protones ( número atómico) y el número de neutrones, se denomina ​
Brut [27]

Answer:

nucleo

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4 0
3 years ago
A football field is about 100 m long. If it takes a person 20 seconds to run its length, how fast were they running ?
madam [21]
Hi Alex, thanks for asking a question here on Brainly!

We can figure how the fast the person is running by dividing the minutes by the seconds. 

\frac{5m}{sec}
= \frac{300m}{min}
= \frac{18km}{hr}

The person was running 18 km/hr. ✅ 

Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or post another question and send the link to me. -UnicornFudge aka Nadia.
3 0
4 years ago
The Process of forming a new<br> eukaryotic cell is called​
gulaghasi [49]

Answer:

Mitosis I think

Explanation:

4 0
3 years ago
Which type of fuel can only be used in certain geographic areas?
Lisa [10]
Answer:

A. Nuclear

Explanation:

This is because it could cause severe environmental damage in areas inhabited by the public

Please mark brainliest
4 0
2 years ago
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