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4 years ago

6

Does water roll or slide in wax paper?

1 answer:

ruslelena [56]4 years ago

7 0

Water rolls on the paper, due to different polarity

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1. Why fractional distillation has<br> fractionating column but not in simple<br> distillation?

egoroff_w [7]

Answer:

<em>Fractional distillation leads to a better separation than simple distillation because the glass beads in the fractionating column provide "theoretical plates" on which the vapors can condense and then re-evaporate, and re-condense, essentially distilling the compound many times over.</em>

Explanation:

<h2> please mark me as brainlist </h2>

5 0

3 years ago

Some hypothetical alloy is composed of 12. 5 wt% of metal a and 87. 5 wt% of metal b. If the densities of metals a and b are 4.

gavmur [86]

Answer:

The number of

atoms in the unit cell is 2

Explanation:

7 0

2 years ago

Trava [24]

Answer : The volume of gas will be, 113.5 L

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

where,

$P_1$ = initial pressure of gas = 60 atm

$P_2$ = final pressure of gas = 30 atm

$V_1$ = initial volume of gas = 29 L

$V_2$ = final volume of gas = ?

$T_1$ = initial temperature of gas = 115 K

$T_2$ = final temperature of gas = 225 K

Now put all the given values in the above equation, we get:

$\frac{60atm\times 29L}{115K}=\frac{30atm\times V_2}{225K}$

$V_2=113.5L$

Therefore, the volume of gas will be, 113.5 L

7 0

3 years ago

WILL GOVE BRAINLIEST NEED HELP ASAP!!!!

PolarNik [594]

Answer:

Click on the image, click search for image on g, then find the answer.

Explanation:

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3 years ago

6. The drawing shows Samir riding his mountain bike.

ElenaW [278]

Answer:

You Need To Upload The Photo Then I Will Help You :)

Explanation:

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3 years ago