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Brut [27]
3 years ago
11

How can rice and flour mixture be separated?

Chemistry
1 answer:
Tanya [424]3 years ago
7 0

Answer/steps:

Take a beaker and sieve and place sieve on beaker

pour mixture onto sieve and shake

the flour will then fall into beaker and you will be left with rice in the sieve

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What changes are observed on heat capacity ratio and output temperatures by increasing the specific heat capacity of both the fl
BlackZzzverrR [31]

Answer:

b- The heat capacity ratio increases but output temperature don’t change

Explanation:

The heat capacity is the amount of energy required to raise the temperature of a body, by 1 degree. On the other hand, the specific heat capacity is the amount of heat required to raise the temperature of a of unit mass of a material by 1 degree.

Heat capacity is an extensive property meaning its value depends on the amount of material. Specific heat capacity is found by dividing heat capacity by the mass of the sample, thus making it independent of the amount (intensive property). So if the specific heat capacity increases and the mass of the sample remains the same, the heat capacity must increase too. Because of that options c and d that say that heat capacity reamins same are INCORRECT.

On the other hand, in which has to be with options a and b both say that the heat capacity increases which is correct, but about the output temperatures what happens is that if we increase the specific heat capacity of both fluids that are involved in a process of heat exchange in the same value, the value of the output temperatures do not change so only option a is CORRECT.

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3 years ago
What pattern appears in the vertical arrangement (columns) of the elements in the Periodic Table, moving from top to bottom?
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Idk if this is the information you need but the energy level gets higher the farther you move down the Periodic Table. Every element in a vertical line has the same energy level.
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What is the correct electron configuration for oxygen?
s344n2d4d5 [400]
It would be: 1s2, 2s2, 2p4
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the heat of reaction for a chemical reaction

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How many moles are in 5g of Al?<br><br>A.0.185<br>B.18.5<br>C.5.4<br>D.135
Lapatulllka [165]
I got 134.91 but if you round it you’ll get 135
3 0
3 years ago
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