Above a pressure of 200 atmospheres and at a temperature of 100 degrees Celsius, water is in gas phase.
2 answers:
Answer: The given statement is false.
Explanation:
When water is boiled at a pressure of 1 atm and temperature is 100 degree celsius then both liquid and vapor state of water exists in equilibrium.
But as the temperature reaches at more than 100 degree celsius then liquid state of water changes into vapor state.
But when above pressure of 200 atmospheres and at a temperature of 100 degrees Celsius water is heated then it will exist in liquid phase and not in vapor phase.
Therefore, we can conclude that the statement, above a pressure of 200 atmospheres and at a temperature of 100 degrees Celsius, water is in gas phase, is false.
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A)
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B)
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You can turn this into a system of variables which are solvable.
To do this, create variables for the coefficients of each compound in the reaction respectively.
Because to be balanced, the count of atoms in each element of the compound correspond to the coefficient of the variable in that compound so that the count of the left (reactant) side is set equal to the right (product) side.
a corresponds to the coefficient of the first compound, b corresponds to the coefficient of the second compound, c corresponds to the coefficient of the third compound, and d corresponds to the coefficient of the fourth compound.
(Reactant = Product)
Reactant: 1a [N] Product: 1c.
Reactant: 3a [H] Product: 2d.
Reactant: 2b [O] Product: 2c + 1d.
Thus the system is:
1a = 1c
3a = 2d
2b = 2c + 1d.
Then just use the substitution methods to solve.