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Q: Why specific capacity of water equals 4186J?
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How much heat is required to heat up 68 g of water by 9 degrees Celsius You must give correct units with your answer?

The specific heat capacity of water is 4186J/kgK First convert your temperature to Kelvins: 9+273.15=282.15K And g to kg: 68g*(1kg/1000g)=0.068kg Now multiply through: 0.068kg*282.15K*4186J/kgK All units cancel except J to get: 80,313J Simplify to 80.3kJ (kilo joules)


In which temperature water has maximum specific heat capacity?

The specific heat capacity of water does not change much within-phase (ie, as a solid it has one specific heat capacity, as a liquid/gas it has another)


What is the specific capacity of water?

At 20°C the specific heat capacity of water is 4.183 J/g °C or 4.183 J/gK.


What has the largest specific heat capacity brick iron water or glass?

Water.


Does hydrogen or water has high specific heat capacity?

Water has a MUCH higher specific heat than hydrogen.


Which item the towel the sand or the water - has the highest specific-heat capacity?

water


Which has a greater specific heat capacity - water or sand?

Water has a greater specific heat.


What is the specific heat capacity of sea water?

1


What does it mean to say that a material has a high or low specific heat capacity?

The specific heat capacity of a substance is the amount of energy required to increase the temperature of a said substance 1o K. The capacity is measured in kilojoules divided by kilogram time degrees Kelvin (kJ/Kg k). So, if the specific heat capacity of a substance is high, it requires a very large amount of energy to increase the temperature, and if it has a low specific heat capacity, the required energy will be lower.


How is specific heat of a substance different from the heat capacity?

Imagine 1 kg of water. This has a heat capacity. Now if you have 1000kg of water the heat capacity is obviously greater. The Specific Heat Capacity is a material constant. It specifies a set quantity. For water it is 4.184 kiloJoules per kilogram per Kelvin.


Does water or iron has the largest specific heat capacity?

Of those two substances, water has.


What is the heat of water?

the specific heat capacity of water is 4200 J / kg °C