<h3>
Answer:</h3>
CuO(s) + H₂(g) → Cu(s) + H₂O(l)
<h3>
Explanation:</h3>
- Assuming the reaction is the reduction of CuO by H₂
- Then the balanced equation for the reaction is;
CuO(s) + H₂(g) → Cu(s) + H₂O(l)
- The equation shows the reducing property of hydrogen gas, such that hydrogen reduces metal oxides such as copper(ii)oxide to the respective metals.
- The law of conservation requires chemical equations to be balanced so as the mass of reactants will be equal to that of products.
- In this case; there is 1 copper atom, 1 oxygen atom and 2 hydrogen atoms on both side of the equation and thus the equation is balanced.
Through the vibration of particles in a medium.
Include in your answer:
-foam is a colloid.
-colloids include gas dispersed in a liquid.
-colloids include gas dispersed in a solid.
Answer:
Sun's energy
Explanation:
because Without the energy produced by the fusion of hydrogen in the sun, the Earth would quickly change into a cold planet that could not support life as we know it.
Answer:
the density of the cube is 304 g/ cm^3
Explanation:
Because 1520 ÷ 5 = 304 or 304 × 5 =1520
