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olasank [31]
3 years ago
10

Help me please i don’t understand this

Chemistry
1 answer:
ella [17]3 years ago
4 0
Cells have lots of things to do. Some cells make the whole organism, so that one cell must do everything that organism needs to do to live. Other cells perform specific functions, so they must be designed to do that specific activity.

There you go :) just reword it and try make it into your own words like just switch some sentences around
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The air inside a hot-air balloon is heated to 59.00 °C (Tinitial) and then cools to 39.00 °C (Tfinal). By what percentage does t
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Answer:

6.1%

Explanation:

Assuming pressure inside balloon remains constant during the temperature change.

Therefore, as per Charles' law  at constant pressure,

\frac{V_1}{T_1} =\frac{V_2}{T_2}

T_2=39\°\ C=39+273=312\ K

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Percentage change in volume

\%\ change\ in\ volume=\frac{V_1-0.939V_1}{V_1} \times 100\\=6.1\%

Change in volume of the balloon is 6.1%

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3 years ago
The energies of electrons are quantized. What does that mean?.
professor190 [17]

Answer:

The correct statement should be The energies of electron are <em>quantized</em> when <em>they are bounded to an atom.</em>

In Quantum Mechanics The term Quantization used to measure the physical entities having certain discrete value. When we say energies of electron are <em>quantized</em> <em>that means it have some specific values</em> that are allowed, that is not continuous range of values.

<em><u>Thanks for joining brainly community! </u></em>

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