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Ivan
3 years ago
14

What is chromatography. also give some applications from normal life.​

Chemistry
1 answer:
12345 [234]3 years ago
6 0

Answer:

Explanation:

Chromatography is a technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.Chromatography is also used to help catch criminals.Spoilage detection. Chromatography can be used in flavor studies and to detect spoilage in foods. Used in additive detection and used in determining nutritional quality.

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Which direction does the decimal move from mega meters to meters
Temka [501]

To solve this problem, let us first understand what does mega meters mean. Now by definition, mega means a factor of one million which is a unit prefix in Metric Systems of units. It is denoted by the unit symbol M.

So for example if we have a mega of something, it means a million of something. So in this case, if we have 1 mega meter, what it means is 1 million meter, which is written as:

1 mega meter = 1,000,000 meter

 

To show the decimal points:

1.0 mega meter = 1,000,000.0 meter

 

So we see that the decimal point move 6 zeroes to the right, therefore the direction is to the right.

 

Answer:

<span>6 places to the right</span>

7 0
4 years ago
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Travka [436]
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7 0
3 years ago
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(b) Describe how Aluminium chloride can be separated from a mixture of aluminium chloride
Elodia [21]

Answer:

Since AlCl3 sublimes and NaCl does not sublime sublimation process will separate the two. Heat the mixture, aluminium chloride sublimes into vapour and forms the sublimate on the cooler parts of heating tube sodium chloride will remain at the bottom of the heating tube.

Explanation:

I hope it helps you ..

8 0
3 years ago
A 27.5g piece of aluminum sits in a room and cools. It loses 6120.0 J of heat. If the initial
madreJ [45]

Answer:

T_2= -90.0°C

Explanation:

Hello!

In this case, according to the given description of how the temperature changes for aluminum in agreement to the loss of heat of 6120.0 J, we can use the following equation:

Q=mC\Delta T=mC(T_2-T_1)\\\\

Thus, by knowing Q, m, C and the initial temperature, we are able to obtain:

T_2=T_1+\frac{Q}{mC}\\\\T_2=157.3\°C+\frac{-6120.0J}{27.5g*0.900 J/g\ºC}\\\\T_2= -90.0°C

Regards!

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3 years ago
To use patterns in observations to say what may happen next
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In order to know what may happen next you need use patterns in the observation
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