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timofeeve [1]
3 years ago
7

What is chemistry an how do I learn

Chemistry
2 answers:
Vedmedyk [2.9K]3 years ago
8 0

Answer: Chemistry is a subject. You can learn it at a local school.

Explanation: Chemistry is a school subject or, the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.

AlladinOne [14]3 years ago
6 0
The branch of science that deals with the identification of the substances of which matter is composed

you can learn by reading about it or google it
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PLEASE HELP I NEED THIS ANSWERED IN 10 MINS PLEASE
elena-14-01-66 [18.8K]
We are given the equation to use which is:
ΔG = ΔH - TΔS

We are also given that:
ΔG = 173.3 kJ
T = 303 degrees kelvin
ΔH = 180.7 kJ

Substitute with these givens in the above equation to get ΔS as follows:
ΔG = ΔH - TΔS
173.3 = 180.7 - 303ΔS
303ΔS = 180.7 - 173.3 
303ΔS = 7.4
ΔS = 7.4 / 303 = 0.02442 kJ/K which is equivalent to 24.42 J/k

Based on the above calculations, the correct choice is:
D. 24.42 J/K
4 0
3 years ago
if the spin of one electron in an orbital is clockwise , what is the spin of the other electron in that orbital
nata0808 [166]

Here we have to get the spin of the other electron present in a orbital which already have an electron which has clockwise spin.

The electron will have anti-clockwise notation.

We know from the Pauli exclusion principle, no two electrons in an atom can have all the four quantum numbers i.e. principal quantum number (n), azimuthal quantum number (l), magnetic quantum number (m) and spin quantum number (s) same. The importance of the principle also restrict the possible number of electrons may be present in a particular orbital.

Let assume for an 1s orbital the possible values of four quantum numbers are n = 1, l = 0, m = 0 and s = \frac{+}{-}\frac{1}{2}.

The exclusion principle at once tells us that there may be only two unique sets of these quantum numbers:

1, 0, 0, +\frac{1}{2} and 1, 0, 0, -\frac{1}{2}.

Thus if one electron in an orbital has clockwise spin the other electron will must be have anti-clockwise spin.    

6 0
3 years ago
I’m just doing this because it told me to in order to get the answer for my homework?
andrew-mc [135]
Ok good luck on your homework then
7 0
2 years ago
Read 2 more answers
to checkt the accuracy of a new method, a standard copper alloy containing 23.24%Cu was analyzed and calculated to contain 23.17
tekilochka [14]

Answer:

23.24%_23.17%

10%×1000

10/100×1000=

100

3 0
3 years ago
What is butter melting point
atroni [7]
Between 90 and 95 degrees Farenheit
6 0
3 years ago
Read 2 more answers
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