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2 years ago

How will you show the presence of water vapour in air?

2 answers:

7 0

Airborne water vapor condenses and rises into the sky, eventually consist rain. Water spring in the air when it comes to the question of what is the source, the source of water vapor in the earth flooded and crops.

Aleksandr [31]2 years ago

6 0

I will chill a container so that its outer surface is very cold, but dry. Then I will
wave the container through the air, and point out the liquid water from the air
that collects on the cold outer surface of the container.

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Question 1 the heat of vaporization δhv of dichloromethane ch2cl2 is 28.0 /kjmol . calculate the change in entropy δs when 210.g

N76 [4]

The answer is 39.933*C

8 0

2 years ago

What volume is occupied by 16.4 g of mercury? The density of mercury is 13.6 g/mL

NeTakaya

Answer:

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Dmdmsnsjsbbs नमस्कार ndjdjdjdjdjdjdjdhdjdjd ndndjdhdjdjdj ndjdjdjdjdjdjdjdhdjdjd ndndjd

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2 years ago

Which choice below correctly completes the sentence? _______ reaches the Earth's surface through _______, then turns into ______

blondinia [14]

Answer:

d , before the molten rock becomes lava, it is first magma, and most people know that lava is ejected from volcanoes

4 0

3 years ago

Write down the names, physical properties, and inertness of NOBLE GASES ( group no. 8)

o-na [289]

Answer:

There's No Answer Im Sorry

4 0

2 years ago

Chemical reaction when chromium metal is immersed in an aqueous solution of cobalt(II) chloride.

Marrrta [24]

$2Cr + 3CoCl_2$ → $2CrCl_3 + 3Co$

Explanation:

The products formed are chromic chloride and cobalt.

Chromium + Cobaltous Chloride = Chromic Chloride + Cobalt

Type of reaction is Single Displacement (Substitution) which is there is a displacement of one atom.

Reactants used in the reaction are -

Chromium $(Cr)$

Cobaltous Chloride $(CoCl_2)$

Products formed in the reaction are -

Chromic Chloride $(CrCl_3)$

Cobalt $(Co)$

Hence, the chemical reaction is as follows -

$Cr + CoCl_2$ → $CrCl_3 + Co$

For balancing the above chemical equation we need to add a coefficient of 2 in front of chromium and of 3 in front of cobalt(II)chloride on right-hand-side while of 2 in front of chromium chloride and of 3 in front of carbon monoxide on left-hand-side of the equation.

Hence, the balanced equation is -

$2Cr + 3CoCl_2$ → $2CrCl_3 + 3Co$

3 0

3 years ago