It is a mixture
Explanation:
Food coloring is able to separate into different dyes because it just a simple mixture of different color pigments.
Under a chromatogram the different colors will migrate relatively over an absorbent.
A mixture is an impure substance with the following properties:
- composition is indefinite as they are made up of two or more elements or compounds in any proportion by mass.
- They are able to retain their identities i.e physical properties are maintained.
- Their constituents reacts differently to changed conditions.
- They can easily be separated into constituent by physical methods.
learn more:
Heterogeneous mixtures brainly.com/question/1446244
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Answer:
This compound is Ammonium Sulphide and has molar mass 68 g/mol.
Explanation:
- Molar Mass : It is the mass of 1 mole of the substance and in grams.Its units are gram/mole.
- It is numerically equal to mass of the substance in atomic mass units
How to calculate Molar mass :
grams/mole
Molar mass of Ammonium sulphide is 68 g/mol
The answer to the question above would be true
Q = mC∆T
<span>where: </span>
<span>q = heat </span>
<span>m = mass of substance = 35.0 grams </span>
<span>C = 0.385 J/g*C </span>
<span>∆T = change in temperature = 65C - 20C = 45C </span>
<span>q = (35.0 g)*(0.385 J/g*C)*(45C) = 606 J </span>
