If a non-cyclic alkane shows a molecular ion peak at m/z 3.80 × 102, what is the chemical formula?
1 answer:
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5.512 litres is the volume of 15.2 grams of sulphur dioxide gas at STP.
Explanation:
Data given:
mass of sulphur dioxide = 15.2 grams
conditions is at STP whech means volume = 22.4 litres
atomic mass of sulphur dioxide = 64.06 grams/mole
Number of moles is calculated as:
number of moles =
Putting the values in the equation:
number of moles =
= 0.23 moles
Assuming that sulphur dioxide behaves as an ideal gas, we can calculate the volume as:
When 1 mole of sulphur dioxide occupies 22.4 litres at STP
Then 0.23 moles of sulphur dioxide occupies 22.4 x 0.23
= 5.152 litres is the volume.
<u>Answer:</u> The magnitude rating for an earthquake causing an amplitude 10,000,000 times is 7.
<u>Explanation:</u>
Richter scale is defined as the scale which expresses the magnitude of earthquake on the basis of the seismograph oscillations.
The equation used to measure the magnitude of an earthquake on Richter scale is:
where
I = amplitude registered on seismograph 100 km away from seismic center =
= small amplitude
Putting values in above equation, we get:
Hence, the magnitude rating for an earthquake causing an amplitude 10,000,000 times is 7.