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dmitriy555 [2]
3 years ago
11

Is it possible for two different materials to have different solubilities

Chemistry
1 answer:
algol [13]3 years ago
4 0
Yes it is! Depending on the chemical make up of the material, it can have different solubility levels. For example, lipids have a low solubility in Water because of the non polar make up :)
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when naoh(aq) reacts completely with hcl(aq) and resulting solution is evaporated to dryness the solid remaining is?
rusak2 [61]
Salt because the products are H20 and NaCl. H2O evaporated leaving salt or NaCl as the remainder.
6 0
3 years ago
A newspaper story describing the local celebration of Mole Day on October 23 (selected for Avogadro's number, 6.02 X 10^ 23 ) at
stepladder [879]

Answer:

The answer is "670.176 km".

Explanation:

Volume of the occupies of one  M & M= 0.5 \ cm^3\\\\

M&M 1 mole= 6.02 \times 10^{23}\\\\

Calculating volume of M& M mole=  0.5 \ cm^3 \times 6.02 \times 10^{23}=3.01 \times 10^{23}\ cm^3\\\\

Calculating the cube moleL^3= 3.01 \times 10^{23}\ cm^3\\\\

L=6.70176 \times 10^{7}\ cm\\\\

   =6.70176 \times 10^{7}\ cm \times \frac{1\ m}{100\ cm}\\\\=670176\ m\\\\=670.176 \ km

Therefore 18 tractor trailers wouldn't be sufficient.

8 0
3 years ago
In general, ionization energy will
IRISSAK [1]

Answer:

A

Explanation:

The correct answer is A.

5 0
3 years ago
Read 2 more answers
[Then mother noticed that two children who are watching the game are sick and coughing.She told her son to keep distance from th
Andrew [12]

Answer:

in illustration 1

the mother told her son not to play with the boy having cough because it is a transferable disease which could cause him also to get sick and would get cough.

while in

illustration 2

the mother let the boy play with the boy having asthma because it is not a transferable disease which wold not affect him or any one else.

Explanation:

this is the reason

7 0
2 years ago
Read 2 more answers
Calculate the bond energy per mole for breaking all the bonds in methane, CH4. Express your answer to four significant figures a
lesantik [10]

The energy that is essential to break one C-H bond is 414 kJ/mol. Since, there are four C-H bonds in CH4, the energy Δ HCH4 for breaking all the bonds is calculated as Δ HCH4 = 4 x bond energy of C-H bond. By multiplying the 4 with the 414 kJ/mol you can get the answer of 1656 kJ/mol CH4 molecules.

4 0
3 years ago
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