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Yuri [45]
3 years ago
11

What are some of the best study methods when you have a day to study.

Chemistry
2 answers:
Marta_Voda [28]3 years ago
7 0
For English like vocab I write all the words on flashcard ( one time studying
then I go over them(second time)
I test myself ,what ever words i don't know,I'll put in a seperate pile.
then go through that pile and keep doing that process for history I make power points your reading and writing the information over again exposing yourself twice or you can YouTube videos on the subject
madam [21]3 years ago
4 0
For me, it depends on the subject. Because I'm weird.
For social studies related classes, usually just reviewing facts is enough to let me get good test/quiz scores.
For science classes, I review the topics that I had the most trouble with, because science comes naturally to me, so the rest is easy.
For math, since I struggle with that the most, I put the most study time into it. I take whatever topics from the class that confused me most, and just do random problems related to that topic. This actually helps a great deal.
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How many sodium atoms are in the formula for sodium phosphide
ludmilkaskok [199]

Sodium Phosphide has a formula of Na3P . In order to bond ionically the charges must be equal and opposite. It will take one -3 phosphide ion to balance three +1 sodium ions forming a magnesium phosphide molecule of Na3P

6 0
3 years ago
How to know molecular formula ​
Tju [1.3M]

Divide the molar mass of the compound by the empirical formula mass. The result should be a whole number or very close to a whole number. Multiply all the subscripts in the empirical formula by the whole number found in step 2. The result is the molecular formular

6 0
3 years ago
A mixture of He He , N 2 N2 , and Ar Ar has a pressure of 24.1 24.1 atm at 28.0 28.0 °C. If the partial pressure of He He is 301
Karo-lina-s [1.5K]

Answer:

16.5 atm

Explanation:

<em>A mixture of He, N₂, and Ar has a pressure of 24.1 atm at 28.0 °C. If the partial pressure of He is 3013 torr and that of Ar is 2737 mm Hg, what is the partial pressure of N₂?</em>

The total pressure of a gaseous mixture is equal to the sum of the partial pressures.

P = pHe + pN₂ + pAr

pN₂ = P - pHe - pAr [1]

We need to express pHe and pAr in atm.

pHe=3013torr.\frac{1atm}{760torr} =3.96atm

pAr=2737mmHg.\frac{1atm}{760mmHg} =3.60atm

From [1],

pN₂ = 24.1 atm - 3.96 atm - 3.60 atm = 16.5 atm

8 0
3 years ago
Is a process that could be used to seperate dissolved particles from the liquid in a solutoin?
kaheart [24]
Salutations!

_____ Is a process that could be used to separate dissolved particles from the liquid in a solution?

Distillation is the process that could be used to separate dissolved particles from the liquid in a solution. Distillation best works when liquids have unalike boiling points. It is widely used to to isolate ethanol.

Hope I helped :D
5 0
3 years ago
The element silver exists in nature as two isotopes: 107Ag has a mass of 106.9051 u, and 109Ag has a mass of 108.9048 u. The ave
Lilit [14]

Answer:

107Ag has abundance of 51.7%

109Ag has abundance of 48.3%

Explanation: Please see attachment for explanation

3 0
3 years ago
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