# Question

A liquid has a density p.
(a) Show that the fractional change in density for a change in temperature
ΔT is Δp/ = -BΔT. What does the negative sign signify?
(b) Fresh water has a maximum density of 1.000 0 g/cm3 at 4.0°C. At 10.0°C, its density is 0.999 7 g/cm3. What is ' for water over this temperature interval?

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