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77julia77 [94]
3 years ago
15

Does drinking water undergo a separation process called straining?

Chemistry
2 answers:
Sergio [31]3 years ago
4 0

Answer:

Hi!

Please follow these links to know how to become a moderator -:

brainly.in/question/1208351 [Answered by Praneeth)

brainly.in/question/1217460

brainly.in/question/1170083

brainly.in/question/1079617

[Rest by me]

Actually to become a moderator, one has to be a brainly star first(the condition needed to be a star is mentioned in the links), but if your answers are very excellent, and the behavior is perfect, then you can be promoted as a brainly benefactor directly.

Hope it helps...!!!

Explanation:

Liula [17]3 years ago
3 0
It can be but sometimes it cannot be
Straining is more likely like exercising or getting better at movements my choice will be yes but 50% of it says maybe
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If i pick up and ice cube, it will start to mel. melting ____ heat energy to the ice cube through the process of ___.
netineya [11]

Answer:

adds; convection

Explanation:

because in order for ice to melt, you need to add heat energy. convection is when you make something hot rise and something cold melt.

4 0
3 years ago
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A scientist is combining two grey elements he thinks he will get a compound why is this prediction wrong
DedPeter [7]
In a compund, the proportion must be fixed, unlike mixture. Therefore, if he just combine two elements, there must be excess elements mixed in it.
Second, how did he combined two elements? In order to create a compund, either heat or electricity must be applied.
Therefore, even if he used heat / electricity, he still hasn't got the right proportion, therefore he must have mixed some excess elements into the compund that he thought he made.
4 0
3 years ago
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Label each statement below as either describing the limit of detection (LOD) or the limit of quantitation (LOQ
Orlov [11]

Answer:

It is the minimum amount of analyte that produces a signal which can be measured with reasonable accuracy - LOQ

The concentration is equal to three times the standard deviation of the signal from the blank divided by the slope of the calibration curve - LOD

The concentration is equal to 10 times the standard deviation of the signal from the blank divided by the slope of the calibration curve - LOQ

It is the minimum amount of analyte that produces a signal that is significantly different from the blank - LOD

Explanation:

We define the limit of detection has the lowest amount of analyte that produces a signal that is significantly different from a blank solution ( the absence of the substance). It is calculated as three times the standard deviation of the signal from the blank divided by the slope of the calibration curve.

The limit of quantitation (LOQ) is defined as the minimum amount of analyte that produces a signal which can be measured with reasonable accuracy. It is measured as 10 times the standard deviation of the signal from the blank divided by the slope of the calibration curve.

6 0
3 years ago
400 mL of gas is contained at 300 mmHg and 0 °C. What will its volume be at 140 mmHg and 100 °C? 0°C 100°C
PIT_PIT [208]

Answer:

1171.12 mL

Explanation:

Using the combined gas law equation;

P1V1/T1 = P2V2/T2

Where;

P1 = initial pressure (mmHg)

P2 = final pressure (mmHg)

V1 = initial volume (milliliters)

V2 = final volume (milliliters)

T1 = initial temperature (Kelvin)

T2 = final temperature (Kelvin)

According to the information provided in this question:

P1 = 300 mmHg

P2 = 140 mmHg

V1 = 400 mL

V2 = ?

T1 = 0°C = 273K

T2 = 100°C = 100 + 273 = 373K

Using P1V1/T1 = P2V2/T2

300 × 400/273 = 140 × V2/373

120000/273 = 140V2/373

120000 × 373 = 273 × 140V2

44760000 = 38220V2

V2 = 44760000 ÷ 38220

V2 = 1171.115

The new volume is 1171.12 mL

7 0
3 years ago
Which of these scenarios is most likely a chemical reaction?
Murrr4er [49]

Answer: A

Explanation: Because  a gas can turn into a liquid

4 0
3 years ago
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