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Alexandra [31]
3 years ago
10

Which element is very toxic and reactive green gas?

Chemistry
2 answers:
noname [10]3 years ago
7 0
The answer is Chlorine.
yawa3891 [41]3 years ago
3 0
I would answer this but i have to go to bed i have a reading test tommorow
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What are the total electron pairs in AsH3
tatiyna

AsH3 has five valence electrons, so the molecule will have 3 bonding domains and one non-bonding domain (lone pair) around the central atom. The geometry is trigonal pyramidal, and the angles are around 107 degrees. 

AsH3 and hydrogen are very close in electrongativity, so there really is no partial charges. There may be a slight electron pull towards hydrogen, but it would be nearly insignificant

5 0
3 years ago
What is the density of fluorine gas, F2, at STP? E) 0.848 g/L B) 1.18 g/ L C ) 1.70 g/L D) 0.589 g/L
Gre4nikov [31]

Answer:

C ) 1.70 g/L

Explanation:

Using ideal gas equation as:

PV=nRT

where,  

P is the pressure

V is the volume

n is the number of moles

T is the temperature  

R is Gas constant having value = 0.0821 L.atm/K.mol

Also,

Moles = mass (m) / Molar mass (M)

Density (d)  = Mass (m) / Volume (V)

So, the ideal gas equation can be written as:

PM=dRt

At STP,

Pressure = 1 atm

Temperature = 273.15 K

Molar mass of fluorine gas = 38 g/mol

Applying the equation as:

1 atm × 38 g/mol = d × 0.0821 L.atm/K.mol × 273.15 K

<u>⇒d = 1.70 g/L</u>

3 0
3 years ago
Someone help me please i’ll give brainly
quester [9]

Answer:

b

Explanation:

i looked it up on Google

4 0
2 years ago
5. How many atoms are in 1.00 mol of carbon atoms?
Verdich [7]

Answer:

idk because idk

3 0
3 years ago
A rigid cylinder of gas shows a pressure of 600 torr at 215 K. It is moved to a new storage site where the pressure is now 750 t
Ronch [10]
PV=nRT

Here
P1/T1= P2 / T2
1 torr=133 pascal
600 *133 /215 = 750 *133 / t2
T2= 268.75 K
5 0
3 years ago
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