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Aleksandr-060686 [28]
3 years ago
12

When a match is lit, sulfur (S8) reacts with oxygen to release energy and form sulfur dioxide, SO2. Write the balanced equation

for this reaction.
Chemistry
1 answer:
beks73 [17]3 years ago
8 0

Answer: S8 + 8O2 => 8SO2

Explanation: The equation is now balanced. Both Sulfur have 8 atoms in the reactant and product side. Oxygen have 16 atoms on each side.

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At 373.15K and 1 atm, the molar volume of liquid water and steamare 1.88 X 10-5 m3 and 3.06 X 10-2m3, respectively. Given that t
professor190 [17]

Answer The value of \Delta H and \Delta U is, 40.79 kJ and 37.7 kJ respectively.

Explanation :

Heat released at constant pressure is known as enthalpy.

The formula used for change in enthalpy of the gas is:

\Delta Q_p=\Delta H=40.79kJ/mol

Now we have to calculate the work done.

Formula used :

w=-P\Delta V\\\\w=-P\times (V_2-V_1)

where,

w = work done  = ?

P = external pressure of the gas = 1 atm

V_1 = initial volume = 1.88\times 10^{-5}m^3=1.88\times 10^{-5}\times 10^3L=1.88\times 10^{-2}L

V_2 = final volume = 3.06\times 10^{-2}m^3=3.06\times 10^{-2}\times 10^3L=3.06\times 10^{1}L

Now put all the given values in the above formula, we get:

w=-(1atm)\times (3.06\times 10^{1}-1.88\times 10^{-2})L

w=-30.5812L.atm=-30.5812\times 101.3J=-3097.87556J=-3.09\times 10^3J=-3.09kJ

Now we have to calculate the change in internal energy.

\Delta U=q+w

\Delta U=40.79kJ+(3.09kJ)

\Delta U=37.7kJ

Thus, the value of \Delta H and \Delta U is, 40.79 kJ and 37.7 kJ respectively.

4 0
3 years ago
How many moles of magnesium are in 3. 01 x 10^22 atoms of magnesium.
marshall27 [118]

Answer:

Explanation:

1 mol of anything is 6.02 * 10^23 atoms (in this case)

x mol of 3.01 * 10^22

Set up the proportion

1/x = 6.02*10^23 / 3.01 * 10^22                 Cross multiply

x*6.02 * 10^23 = 1 * 3.01 * 10^22               Divide by 6.02*10^23

x = 3.01 * 10^22 / 6.02*10^23

x = 1/(2 * 10)

x = 1/20 mol

x = 0.05 mol

5 0
3 years ago
How does the diaphragm aide in breathing?
Murljashka [212]
It’s A I’m %99.999 sure
7 0
3 years ago
Read 2 more answers
Which type of energy would most likely create the worst environmental disaster from an accident or spill?
rewona [7]

Answer:

nuclear energy

Explanation:

6 0
3 years ago
PLEASE ITS DUEE TODAY at 6:00PM!!!!!
nata0808 [166]

Answer:

I got you... 2 amino acids are linked to each other by a peptide linkage. A peptide linkage is formed when carboxyl group of one amino acid combine with the amine group of the other and during this process, a water molecule is removed.  

The given tripeptide will have 2 peptide bonds. To draw the structure of given tripeptide, we will arrange them in the given order and then we will remove 2 water molecules to form 2 peptide bonds.

 

Explanation:

Hope this helps:)

6 0
2 years ago
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