alleryStart learning →Reference specific-heat values show water's specific heat is about how many times that of glass?
AAbout half as much
BTwo times as much
CTen times as much
DFive times as much
Answer & Solution
Correct answer: D. Five times as much
1. Water's specific heat is 4186 joules per kilogram per degree Celsius, and glass is 840 joules per kilogram per degree Celsius.
2. Dividing 4186 by 840 gives about 5, matching the stated comparison that water's specific heat is five times that of glass.
3. Two times and ten times do not match this ratio.
4. Half would mean water heats up faster than glass, which is the opposite of the fact given.
5. So five times is correct.
_Source: OpenStax Physics (CC BY 4.0), Ch 11 "Thermal Energy, Heat, and Work", section 11.2 Heat, Specific Heat, and Heat Transfer_
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