12 times breathe give 240 ml of pure
. Each breathe gives 20 ml of
.
Let us consider, volume of air per breathe= x ml.
Pure
from inhaled air=
ml and Pure
from exhaled air=
ml.
Pure
from inhaled and exhaled air= 20 ml
So,
+
= 20
Therefore, x = 55.5 ml
So, volume of air per breath= 55.5 ml.
Answer:
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Explanation:
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Hydrogen + oxygen --> water
2,1g + 16,8g = x
x = 18,9g
Use the Heat formula for both problems.
q=m*c*∆t
Where
q= heat in Joules
m= mass in grams
c= specific heat which is a constant 4.18
∆t= change in temperature