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nignag [31]
3 years ago
12

A. A una atmósfera de presión (1atm), ¿cuál es el punto de solidificación del agua?

Chemistry
1 answer:
Ghella [55]3 years ago
7 0

Answer:

ajansnnddndjsjjenrndndndndndndndnd

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Metric dimensional analysis worksheet problem: 645 kg to g
Andrews [41]

Answer:

645000 grams my dude

3 0
3 years ago
A compound is 54.53% c, 9.15% h, and 36.32% o by mass. what is its empirical formula? the molecular mass of the compound is 132
Yakvenalex [24]
 <span>First - you need the empirical formula. 

So, assume you have 100 g of the compound. 

If so, you'll have 54.53 gram of C, 9.15 g of H and 36.32 g of O. Find the number of moles of each. 

54.53 g C (1 mole C / 12.01 g C) = 4.540 

9.15 g H (1 mole H / 1.008 g H) = 9.077 

36.32 g O (1 mole O / 15.9994 g O) = 2.270 

Take the smallest number found and divide the others by it to get the empirical formula. 

4.540/2.270 = 2. 
9.077/2.270 = 4. 
2.270/2.270 =1. 

So, that gives you the empirical formula of C2H4O. 

Find the weight of this compound. C = 12, H = 1, O = 16. So, C2H4O is 44 amu. 

132/44 = 3. 

So, 3 (C2 H4 O) = C6H12O3 = molecular formula.</span>
6 0
3 years ago
If a sodium ion (Na+) has a positive charge and loses an electron when combined with chlorine, will the sodium atom become a new
Alina [70]

Answer:

No

Explanation:

loss of electron doesn't affect the element.

only change in proton number can, as we notice in nuclear chemistry.

please mark brainliest

7 0
3 years ago
Can anyone please help me????
olya-2409 [2.1K]

Answer:

I THINK IT MIGHT BE C

Explanation:

7 0
3 years ago
Read 2 more answers
What is Science-Based Medicine?
SSSSS [86.1K]

Answer: Medicine is a scientific field whose subject of research is the health and well-being of living whips.

Explanation:

Primarily medicine deals with the study of man and the treatment of man, but also of some animal species. Two principles are founded: theoretical research and practical, or often called a clinical policy. The academic and research law will enable a specific area, disease, congenital disability, or condition to be defined, studied in detail, and after the conclusion of tests performed. Concluded medical theory is most often put into a usable form through various educational processes, which will lead to the ultimate goal - to improve the health of living forms on which this theory will be applied.

6 0
3 years ago
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