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4 years ago

Explain evaporation. have a chapter test tommarow !

Chemistry

2 answers:

vovikov84 [41]4 years ago

5 0

Answer:

Evaporation is when the sun's sun rays hit on water and water vapor forms

lions [1.4K]4 years ago

5 0

Answer:

evaporation is a form from the cycle from the watwr.

Explanation:

Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.

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A container of gas has a volume of 280 mL at a temperature of 22 Celsius if the pressure remains constant what is the volume 44

d1i1m1o1n [39]

Answer:

300.9mL

Explanation:

Given parameters:

V₁ = 280mL

T₁ = 22°C

T₂ = 44°C

Unknown:

V₂ = ?

Solution:

To solve this problem, we apply Charles's law;

it is mathematically expressed as;

$\frac{V_{1} }{T_{1} } = \frac{V_{2} }{T_{2} }$

We need to convert the temperature to kelvin;

T₁ = 22°C = 22 + 273 = 295K

T₂ = 44°C = 44 + 273 = 317K

Input the parameters and solve;

$\frac{280}{295}$ = $\frac{V_{2} }{317}$

V₂ x 295 = 280 x 317

V₂ = 300.9mL

5 0

3 years ago

Which of kbr or ch3br is likely to have the higher normal boiling point?

allsm [11]

Answer:

KBr

Explanation

KBr is an ionic compound which have very high BP since they exist as 3D crystals

Methyl Bromide, CH3Br. is a covalent compound which have low BP since they exist as individual molecules

8 0

3 years ago

Avnew moon is when the Moon is completely dark, and usually can't be seen.

dexar [7]

Answer:

A. In Four Weeks

Explanation:

8 0

3 years ago

Read 2 more answers

Might be hard to read but i do not understand what the “K” means.

alexdok [17]

it means kinetic energy

6 0

4 years ago

Read 2 more answers

When hydrogen is combined with a metal, it has an oxidation number of _____.

solmaris [256]

The answer is c because thats the number when combined with a metal. +1 is when its combined with a nonmetal.

8 0

3 years ago