Answer:
114 K
Explanation:
Given data
- Volume of oxygen (V): 629 mL = 0.629 L
- Pressure of oxygen (P): 0.500 atm
- Moles of oxygen (n): 0.0337 mol
We can calculate the temperature at which the student collected the oxygen using the ideal gas equation.

The oxygen gas was collected at 114 K.
<span>A. Helium </span>atomic number 2
hope it helps
B. The atomic number. This is because the atomic number is the same as the number of protons an element has, and the number of protons defines an element.
Hola aquí va la respuesta!
Se fomentó la inmigración europea porque la economía no era buena y vinieron a Paraguay para mejorar su situación.