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stepladder [879]
3 years ago
7

If I were to try to connect the north pole of one magnet to the north pole of another magnet, the two poles would:

Chemistry
2 answers:
matrenka [14]3 years ago
7 0

The answer is C repel

pav-90 [236]3 years ago
4 0

c. Repel

Opposites attract, the same repel

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What mass of glucose (C6H12O6) should be dissolved in 12.0 kg of water to obtain a solution with a freezing point of -5.8 ∘C?
erma4kov [3.2K]
<h3>Mass of glucose : 6.7356 kg</h3><h3>Further explanation   </h3>

Solution properties are the properties of a solution that don't depend on the type of solute but only on the concentration of the solute.  

Solutions from volatile substances have a higher boiling point and lower freezing points than the solvent  

For freezing point can be formulated

\tt \Delta T_f=K_f.m  

K = molal freezing point constant  

m = molal solution  

A solution with a freezing point of -5.8 ∘C

\tt \Delta T_f=T_f~solvent-T_f~solution=0-(-5.8)=5.8

\tt mass~of~glucose:\\\\\Delta T_f=K_f.m\\\\5.8=1.86^oC/m.\times \dfrac{mol~glucose}{12}\\\\mol~glucose=\dfrac{5.8\times 12}{1.86}=37.42

\tt mass=mol\times MW=37.42\times 180=6735.6~g=6.7356~kg

3 0
3 years ago
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