It is the nucleus of an atom
Answer: The net chemical reaction:

Explanation:
Step 1 : Propane reacts with water to form carbon monoxide and hydrogen gas
...[1]
Step 2 : carbon monoxide formed in above step reacts with water tio form hydrogen gas and carbon dioxide.
...[2]
On Adding [1] and 3 × [2] we get overall balanced chemical reaction for the production of hydrogen from propane and water:

1 mole of propane reacts with 6 moles of water vapor to gve 10 moles of hydrogen gas and 3 moles of carbon dioxide.
Answer:
Copper (II) oxide will react with sulfuric acid to create water and copper (II) sulfate. This reaction could be classified as a double displacement reaction or a neutralization reaction (metal oxides have basic properties in water).
so basically a neutralization reaction.
44.8% oxygen, 21.5% silicon, and 22.8% magnesium. There's also iron, aluminum, calcium, sodium, and potassium. These elements are all bound together in the form of silicate rocks, all of which take the form of oxides.
Answer:
Both the Earth and Venus show the appearance of igneous rocks due to the cooling of the magma.
Explanation:
As we know, ignea rock is the first step in the transformation of rocks. This rock is formed by the overflow of terrestrial magma which, upon cooling, turns into ignea rock, which will undergo metamorphism and transform into metamorphic rock, which will continue to undergo metamorphosis until it becomes the other rocks that complete the rock cycle. This is a terrestrial process that can be found on Venus, which also presents the cooling of magma in the formation of ignea rock, which will undergo metamorphism, transforming into other rocks, the way it occurs on Earth.