No of molecules=26.02×10²³molecules
No of moles
- 26.02×10²³/6.023×10²³
- 4.3mol
Molar mass
- C2H8
- 2(12)+8(1)
- 24+8
- 32g/mol
Mass
- Moles×Molar mass
- 32(4.3)
- 137.6g
I think the correct answer from the choices listed above is option B. The reactants calcium sulfide and sodium sulfate will react and form a precipitate which is calcium sulfate since it is only slightly soluble in aqueous solution. Hope this answers the question.
LMBO, for science.
Answer:
<em>The increase in kinetic energy leads to leakage of water from the syringe. When the outside temperature is more than the liquid temperature, say the syringe is out in sunshine, then the liquid becomes slightly warmer.</em>
Answer:
The heat would flow from the hot solid to the cool solid until all temperatures are near equal.
