Table of Contents

- 1 Is specific heat C or Q?
- 2 What is the Q in Q MC T?
- 3 What is the symbol of specific heat?
- 4 What is CP CV ratio?
- 5 What is the dimensional formula of specific heat capacity?
- 6 Which units express specific heat capacity?
- 7 What is high and low specific heat?
- 8 Which is the best definition of specific heat?

## Is specific heat C or Q?

The amount of heat gained or lost by a sample (q) can be calculated using the equation q = mcΔT, where m is the mass of the sample, c is the specific heat, and ΔT is the temperature change.

## What is the Q in Q MC T?

Q = mc∆T. Q = heat energy (Joules, J) m = mass of a substance (kg) c = specific heat (units J/kg∙K) ∆ is a symbol meaning “the change in”

**What is the formula to calculate specific heat?**

Calculate specific heat as c = Q / (mΔT) . In our example, it will be equal to c = -63,000 J / (5 kg * -3 K) = 4,200 J/(kg·K) . This is the typical heat capacity of water.

### What is the symbol of specific heat?

c p

The symbol for specific heat is c p , with the p subscript referring to the fact that specific heats are measured at constant pressure. The units for specific heat can either be joules per gram per degree (J/g°C) or calories per gram per degree (cal/g°C). This text will use J/g°C for specific heat.

### What is CP CV ratio?

The Cp/Cv ratio is also called the heat capacity ratio. In thermodynamics, the heat capacity ratio is known as the adiabatic index. Cp/Cv ratio is defined as the ratio of two specific heat capacities. (i.e.) Heat Capacity ratio = Cp/Cv = Heat capacity at constant pressure/ Heat capacity at constant volume.

**What is the symbol for specific heat?**

#### What is the dimensional formula of specific heat capacity?

The specific heat capacity of a substance (per unit of mass) has dimension L2⋅Θ−1⋅T−2, or (L/T)2/Θ. Therefore, the SI unit J⋅kg−1⋅K−1 is equivalent to metre squared per second squared per kelvin (m2⋅K−1⋅s−2).

#### Which units express specific heat capacity?

The SI unit of heat capacity is joule per kelvin (J/K). Heat capacity is an extensive property. The corresponding intensive property is the specific heat capacity.

**What is the substance with the highest specific heat?**

Liquid water has one of the highest specific heats among common substances, about 4182 J/ (K kg) at 20 °C; but that of ice just below 0 °C is only 2093 J/ (K kg). The specific heats of iron, granite, and hydrogen gas are about 449, 790, and 14300 J/ (K kg), respectively.

## What is high and low specific heat?

Specific heat is #J/(g-^oK)#. So, a high value means that it takes MORE energy to raise (or lower) its temperature. A low value means that it does not take very much energy to heat or cool it. Adding heat to a “low specific heat” compound will increase its temperature much more quickly than adding heat to a high specific heat compound.

## Which is the best definition of specific heat?

Definition of specific heat. : the heat in calories required to raise the temperature of one gram of a substance one degree Celsius.