 # How to Calculate Specific Heat

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The amount of energy needed to elevate one gram of a pure material by one degree Celsius is known as specific heat. A substance’s specific heat is affected by both its molecular structure and phase. The discovery of specific heat prompted interest in thermodynamics, the study of energy conversion involving heat and system effort. Specific heat and thermodynamics are widely employed in chemistry, nuclear engineering, and aerodynamics, as well as in daily life, such as in a car’s radiator and cooling system. Simply follow these instructions to learn how to calculate specific heat.

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Contents

## Part 1 : Learn the Fundamentals

1. Learn the words that are used while calculating specific heat. Before learning the specific heat formula, you need be acquainted with the words used to calculate specific heat. You must be able to identify the symbol for each phrase and comprehend what it represents. The following terms are often employed in the equation for estimating a substance’s specific heat:

• The delta sign, often known as the “Δ” symbol, denotes a change in a variable.
• For example, if your first temperature (T1) is 150ºC and your second temperature (T2) is 20ºC, then ΔT indicates 150ºC Minus – 20ºC, or 130ºC.
• “m” represents the mass of the sample.
• “Q” represents the quantity of heat. The quantity of heat is denoted by the letter “J,” or Joules.
• The temperature of the material is denoted by “T.”
• “Cp” stands for specific heat.
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2. Learn the specific heat equation. Once you’ve mastered the terminology for calculating specific heat, you should study the equation for determining a substance’s specific heat. Cp = Q/mΔT is the formula.
You may adjust this formula to get the change in the quantity of heat rather than the specific heat. This is how it would look:
ΔQ = mCpΔT

## Part 2 : Calculate Specific Heat

1. Examine the equation. First, examine the equation to get an idea of what you need to do to get the specific heat. Consider the following issue: Determine the specific heat of 350 g of an unknown substance when 34,700 Joules of heat are delivered and the temperature climbs from 22ºC to 173ºC without a phase change.

2. Make a list of the known and unknown factors. Once you’re satisfied with the situation, jot down every known and unknown variable to have a better understanding of what you’re dealing with. This is how you do it:

• m = 350 g
• 34,700 Joules = Q
• ΔT = 173ºC − 22ºC = 151ºC
• Cp = unidentified
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3. Enter the known variables into the equation. You know the value of everything but “Cpc,” so enter the other elements into the original equation and solve for “Cp.” Here’s how:

• Original equation: Cp = Q/mΔT
• c = 34,700 J/(350 g x 151ºC)

4. Complete the equation. After you’ve entered the known elements into the equation, you may answer it using basic arithmetic. The final result, or specific heat, is 0.65657521286 J/(g x oC).

• Cp = 34,700 J/(350 g x 151ºC)
• Cp = 34,700 J/(52850 g x ºC)
• Cp = 0.65657521286 J/(g x ºC)

## What is Q in Q MC ∆ T?

Q = mc∆T. Q = Heat energy in this case (in Joules, J) m = a substance’s mass (kg) Specific heat (J/kgK) = c

## What equation is Q MC ∆ T?

The equation q = mcT may be used to compute the amount of heat acquired or lost by a sample (q), where m is the mass of the sample, c is the specific heat, and T is the temperature change.

## What is MC T2 T1?

Q = m c T or FORMULA Q = m c (T2. – T1) You’re familiar with two temperatures, a mass, and a particular heat.

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## How do you calculate the mass of specific heat?

So, in our formula Q = M C delta T, we’re solving for this part of the equation. So we must put down all we know about q.

## How do you solve specific heat problems?

Okay, certain important issues. There are three of them. This is how the equation looks. Q = M times C times delta T, or Q equals M times C times temperature final minus temperature initial, whichever is greater.

## How do you calculate the specific heat of water?

Water has a specific heat capacity of 4.18 J/g/°C. We want to know the value of Q, which is the amount of heat. We would utilize the equation Q = m•C•T to accomplish so. The m and C are known; the T may be calculated using the beginning and final temperatures.