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AnnZ [28]
3 years ago
12

Does water evaporates only from the sea

Chemistry
2 answers:
svetlana [45]3 years ago
6 0

Answer:

false

Explanation:

Roman55 [17]3 years ago
4 0
False



no it does not
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A gas evolved during the fermentation of sugar was collected at 22.5°C and 702 mmHg. After purification its volume was found to
miskamm [114]

Answer:

A) 0.95 mol

Explanation:

We will assume the gas given off in the fermentation is an ideal gas because that allows us to use the ideal gas equation.

PV  = nRT

First let's convert all measurements to units that we can use

P = 702 mmHg * 1 atm/760 mmHg = 0.92368 atm

V = 25.0 L

R = 0.08206 L-atm/mol-K

T = 22.5 °C +273.15 = 295.65 K

PV  = nRT

0.92368 atm * 25.0 L = n * 0.08206 L-atm/mol-K * 295.65 K

                                  n = 0.9518 mol

4 0
3 years ago
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grandymaker [24]

Answer: rise earlier and set later

Explanation: just trust me hope this helps

5 0
3 years ago
Extra points!
noname [10]

Answer:

1A

2B

3B

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Explanation:

3 0
3 years ago
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How many atoms of hydrogen are present: 2(NaHCO3)
Firlakuza [10]

Answer:

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Explanation:

2 Atom of Hydrogen are present in 2 (NaHCO3)

5 0
3 years ago
What is the reducing agent in the reaction below?
frez [133]
Option (a) is correct.
A reducing agent is the one which loses electrons to other substance and an oxidizing agent is one which accepts electrons. 
Here, In CrO_{3}, Cr has oxidation number 6+  in the L.H.S of the equation, but on R.H.S its oxidation number is 0 i.e. it Cr has gained electrons such that total charge is 0.
And the oxidation state of Al in the left-hand side of equation is 0 and in right-hand side, it is +6.i.e. it has donated its electrons to Cr. 

Hence, Cr is the oxidizing agent and Al is the reducing agent. 
4 0
3 years ago
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