Answer:
Explanation:
number of moles = mass / molar mass
= 525 / 7+14+(3*14)
= 525 / 63
= 8.33 mol
Answer:
Commas are used to divide or separate parts of a sentence in order to make the meaning clear and the sentence easier to read. They mark a brief pause in the sentence, usually at a point where you would naturally pause if you were speaking rather than writing.
Explanation:
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The particals in a physical change alwayd stay the same, but for a chemical change that is the only time they will change. Not during a physical change
Answer:Classify each of the following chemical reactions.
S + O2 → SO2
CaCl2 + 2AgNO3 → Ca(NO3)2 + 2AgCl
Zn + CuSO4 → Cu + ZnSO4
2Na2O → 4Na + O
Explanation:
synthesis and combustion
double replacement
single replacement
decomposition only
It is 2.5g/ml. You can find this answer by taking the mass (25g) and dividing it by the volume (10ml) and you will get your answer of 2.5g/ml.
