0.250 L*3M=0.250 L*3mol/L= 0.750 mol
Answer:
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Explanation:
may i please have a branlliests
Melting ice cream is a physical change because it is a phase change, the water in the ice cream gains thermal energy and the inter-molecular forces are overcome and the molecules move further apart forming a liquid. It is not a chemical change because no chemical reactions occurred.
Heat needed=mcθ
=7×0.031×(42-17)
=5.425cal
