The recommended maintenance dose of aminophylline for children is 1 mg/kg/h by injection. If 10 mL of a 25-mg/mL solution of ami
1 answer:
Answer:
The rate of delivery 7.256 mL/hour for a 40-lb child.
Explanation:
The recommended maintenance dose of aminophylline for children = 1 mg/kg h
Mass of children = 40 lb = 18.14 kg
1 lb = 0.453592 kg
Amount of aminophylline for children to be given to in a hour:
= 1 mg/kg h × 18.14 kg × 1 h = 18.14 mg
If 10 mL of a 25 mg/mL solution of aminophylline is added to a 100 mL bottle of dextrose injection.
Amount of dose in 10 mL of 25 mg/mL solution of aminophylline.
The value of dose in which 18.14 mg of dose is present in :
So, in a an hour 7.256 volume of the solution of aminophylline should delivered to the childrenin an hour.
The rate of delivery 7.256 mL/hour for a 40-lb child.
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Explanation:
When magnesium metal burns is heated i the air it forms magnesium oxide.The balanced chemical reaction is given as:
2 moles of magnesium metal when reacts with 1 moles of oxygen it gives 2 moles of magnesium oxide which is white in color.
Some times along with formation of magnesium oxide small amount of magnesium nitride also produced due to which magnesium oxide appears grey in color .The balanced chemical reaction is given as:
3 moles of magnesium combines with 1 mol of nitrogen gas to to give 1 mol of magnesium nitride.
Explanation:
Chemical reaction equation for the give decomposition of is as follows:.
And, initially only is present.
The given data is as follows.
= 2.3 atm at equilibrium
= 0.69 atm
Therefore,
= 0.23 aatm
So, = 2.3 - 2(0.23)
= 1.84 atm
Now, expression for will be as follows.
=
= 0.0224
or,
Thus, we can conclude that the pressure equilibrium constant for the decomposition of ammonia at the final temperature of the mixture is .