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yKpoI14uk [10]
3 years ago
8

What is the answer to this

Chemistry
1 answer:
RSB [31]3 years ago
6 0
Still waiting for the question lol

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Calculate number of moles in 10.6g of sodium carbonate
natulia [17]
<em>m Na₂CO₃: 23g×2 + 12g + 16g×3 = 106 g/mol</em>
------------------------------
1 mol ------- 106g 
X ------------ 10,6g
X = 10,6/106
<u>X = 0,1 mol Na₂CO₃</u>
7 0
2 years ago
To what Kelvin temperature must a balloon
snow_tiger [21]

Answer:

T_2=261.46\ K

Explanation:

It is given that,

Original temperature, T_1=323^{\circ}C=596.15\ K

Original volume, V_1=2.85\ L

We need to find the temperature if the volume of the balloon to be shrink to 1.25 L.

According to Charles law, at constant pressure, V\propto T

It would means, \dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}

T₂ = ?

T_2=\dfrac{V_2T_1}{V_1}\\\\T_2=\dfrac{1.25\times 596.15}{2.85}\\\\T_2=261.46\ K

So, the new temperature is 261.46 K.

4 0
3 years ago
How many molecules are contained in 125 grams of water, H20?
sergejj [24]
Answer:

18,01528

Explanation:
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2 years ago
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Anarel [89]

Answer:

Friston to energy

Explanation:

Friction to Energy as its a energy stooping the object form moving

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Element 87 francium have the highest atomic size, so in short the closest element to francium have the high atomic size.

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