# Tagged Questions

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### Calculating the volume of carbon dioxide released to the atmosphere [closed]

I've heard that 6 billion tons of carbon dioxide is released to the atmosphere by humans. So I wanted to calculate the volume just for the interest. Please check my working. Molar mass of CO2 = ...
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### What volume does have the Planck mass of hydrogen at normal conditions?

What volume does have the Planck mass of hydrogen gas at normal conditions?
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### Pressure and Volume (SQA 2011 Higher Physics Q23) [closed]

On this question Part bi, the equation to be used is P₁V₁=P₂V₂, so it states that the technician removes 50ml of air from the jar, so I had: P₁=1.01x10⁵ Pa V₁=200ml P₂=? V₂=150ml (since he removes ...
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### Fluid Temperature as a function of Mass and Ambient Temperature

Problem I am trying to create an equation to calculate fuel temperature based on ambient temperature, heat exchange rate, and mass. The idea is very simple; when the mass is heated, depending on how ...
How can one calculate the mass of air inside a tyre, given a particular tyre size; a pressure, in $kPa = \frac{1000kg}{m\cdot s^2}$; and assuming room temperature, and normal air composition? I can't ...