Complete Question
The complete question is shown on the first uploaded image
Answer:
The pressure is
Explanation:
From the question we are told that
The mass of the carbon monoxide is
The temperature at which takes place
The volume of the sealed vessel is
Generally the ideal gas law is mathematically represented as
Where R is the gas constant with value
n is the number of moles of carbon monoxide which is mathematically evaluated as
where is the molar mass of carbon monoxide which is a constant with value
So
Now Making P the subject we have
The answer: The answer is B
Answer:
1st group (or 1A in some tables)
Explanation:
Mass number = number protons + number neutrons
23 = number protons + 12
number protons = 23 - 12= 11, so atomic number is 11.
Sodium (Na) has an atomic number 11.
Sodium is in the 1 group, or 1A group in some Periodic tables.
Answer:
A
Explanation:
The ability to combine with oxygen is not a physical property it is a physical change i believe.
boiling point is a property as well as conducting electricity and hardness