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Ugo [173]
3 years ago
12

The water cycle is also known as the _______ cycle?

Chemistry
2 answers:
quester [9]3 years ago
8 0

Answer:

Hydrological Cycle :)

Explanation:

valina [46]3 years ago
4 0

Answer:

hydrological cycle

Explanation:

water cycle is also known as hydrological vycle

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Calculate the molality of isoborneol in the product if, a) the melting point of pure camphor is 179°C and the melting point take
tresset_1 [31]

Answer:

The molality of isoborneol in camphor is 0.53 mol/kg.

Explanation:

Melting point of pure camphor= T =179°C

Melting point of sample = T_f = 165°C

Depression in freezing point = \Delta T_f=?

\Delta T_f=T- T_f=179^oC-165^oC=14^oC

Depression in freezing point  is also given by formula:

\Delta T_f=i\times K_f\times m

K_f = The freezing point depression constant

m = molality of the sample

i = van't Hoff factor

We have: K_f = 40°C kg/mol

i = 1 (  organic compounds)

\Delta T_f=14^oC

14^oC=1\times 40^oC kg/mol\times m

m=\frac{14^oC}{1\times 40^oC kg/mol}=0.35 mol/kg

The molality of isoborneol in camphor is 0.53 mol/kg.

8 0
3 years ago
Solids are usually more dense than:
MrMuchimi
Solids are usually more dense than liquids and gases. 
6 0
3 years ago
Read 2 more answers
Can anyone help me with Science Grade 6 questions , soon as possible?
jolli1 [7]
Well depending on how many people on one side of the family, you would inherite  their trait more commonly.
6 0
3 years ago
A gas has a volume of 3L at 200 kPa. What will its volume be if the pressure is changed to 500 kPa?
marta [7]

Answer:

6L

Explanation:

<em>if it's 3L per 200kPa</em>

then it would be;

4L per 300kPa

5L per 400kPa

6L per 500kPa

that's how i'd work it out in my head, hope it helps, but not sure though!

5 0
3 years ago
How many milliliters of 1.50 M magnesium sulfate soulution is required to supply 2.50 mole of this salt?
arsen [322]

Answer:

1670 ml

Explanation:

molarity x Volume (Liters) = moles => Volume (Liters) = moles/Molarity

Volume needed = 2.50mol/1.50M = 1.67 Liters = 1670 ml.

3 0
3 years ago
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