The answer is B, nic fiss, nic fusi
Answer:
Mass of oxygen that will be required to produce 6 mole of water is 96g .
Explanation:
Mass of oxygen = ?
Atomic mass of oxygen is =16g
Molecular mass of O₂= 32 g
Now, according to question statement we need to calculate oxygen needed to produce 6 mol of water .
In 1 mol of water ,there is O₂/2 is present or we can say that 1 oxygen atom is present .
We also know that ,
1 mol of water has = 1 mole of oxygen
Therefore ,
6 moles of water will have 6 moles of oxygen atom
Mass of 6 moles of oxygen atom can be calculated as :
Mole =given mass/atomic mass
6=X /16
X = 16 x 6
=96g
Absolutely false. If it all have the same average kinetic energy, the substance will not change in state. Hence, it is absolutely false. Go to Google and search for heating curve. When you analyse the curve, the line which is horizontally straight is where the average kinetic energy remains constant. The other lines represent the increase in kinetic energy. So as heat is continued supplying, the substance at some point will increase kinetic energy.
I think the molecular formula would be CHO.
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Answer:
The sound from the whales singing is faster than that from the birds chirping.
Explanation:
The sound from the whales singing will travel faster than the sound from the birds chirping because sound travels faster through a medium than through air.
In this case the whales are in water which is a medium while the birds are in the air and thus, the sound from the water will travel faster.