The correct Answer is
Answer:B
Hopes dat Helps :)
The atomic number of zinc is 30 therefore The electronic configuration of zinc is expressed as 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 or in simpler form expressed as [Ar] 3d^10 4s^2. The electronic configuration shows the distribution of the electrons of an atom or a molecule.
Answer:
Explanation:
Hello.
In this case, given the chemical reaction, we can compute the grams of oxygen by using the 98.2 g of water via the 2:1 mole ratio between them, the molar mass of water that is 18.02 g/mol, the molar mass of gaseous oxygen that is 32.00 g/mol and the following stoichiometric procedure relating the given information:
In which the result is displayed with three significant figures because the given mass of water 98.2 g, has three significant figures too.
Best regards!
When gases in containers are heated, their molecules increase in average speed. This means that they exert a greater force when they collide with the container walls, and also collide with the walls more frequently. The gas is therefore under greater pressure when its temperature is higher.