The enthalpy of solution for LiBr is - 48.8 kJ/mol. Suppose 5.0 g of LiBr is dissolved in 50.0 g of water. The initial temperature of the water is 20.0 °C. What is the final temperature of the water? The specific heat of water is 4.184
J/(9*°C).
Select one:
a. 6.6 °C
b. 33.4 °C
c. 32.2 °C
d. 7.8 °C

Does the energy in a solid increase or decrease when changing to a liquid?

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Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line