1 is C. 2 is C. 3 is D. 4 is B. 5 is D. 6 is C. 7 is A.
Answer:
Explanation:
Hello,
In this case, the first step is to compute the volume of the block considering the length, height and width:
Then, we compute the volume in cubic centimetres:
Finally, as the density is given by:
We solve for the mass:
Best regards.
1.a) All except copper can react with dilute sulphuric acid.
REACTION OF DILUTE SULPHURIC ACID WITH COPPER (II) CARBONATE
CuCO3 (s) + H2S04 (aq)———> CuSO4(aq) +CO2(g)+ H2O (l)
REACTION OF COPPER (II) OXIDE WITH DILUTE SULPHURIC ACID
CuO (s) + H2SO4 (aq)———> CuSO4 (aq) + 2H2O (l)
<span>Cadmium Permanganate
Cd - Cadmium
Mn - Manganese
O - Oxygen (-ate)
Hope this helps!
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Answer:
Carbon dioxide is used up, and oxygen is produced.
Explanation:
For photosynthesis to occur the plant need carbon dioxide water and sunlight to convert it into glucose for it to eat and oxygen is a byproduct of the chemical reaction.
