Answer:
Will up 2NO
Explanation:
The future gas particle will be increased by about 4.2. (estimated) Pressure is absorbed, and by the gas, created heavier.
Answer: C
Explanation:
The one closest to the atomic center, there is a single 1s orbital that can hold 2 electrons. At the next energy level, there are four orbitals.
<h2>
Answer:</h2>
CH4 + 2O2 → CO2 + 2H2O
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Explanation:</h2>
10 grams of methane reacts with 40g of oxygen in the air. This means that mass from the oxygen in the air is also present in the carbon dioxide, so the mass can appear to increase, whereas in reality it is the mass of the oxygen that has caused the increase.
This reaction obeys the law of conservation of mass. Even though it may to appear so until balanced, all reactions follow the law.