Table of Contents
What is the specific heat of glucose?
-1268
Thermodynamic Properties of Selected Substances
| Substance (form) | Enthalpy ΔfH (kJ) | Specific heat CP(J/K) |
|---|---|---|
| C2H5OH (l) | -277.69 | 111.46 |
| C6H12O6 (glucose) | -1268 | 115 |
| CO (g) | -110.53 | 29.14 |
| CO2 (g) | -393.51 | 37.11 |
How can specific heat be determined?
How do I calculate specific heat? Q = m*s*dT, where Q = heat, m = mass, s = specific heat, and dT is the change in temperature (T2 – T1). You can use this formula to calculate the specific heat. In the case of gases, just replace the mass by moles of the gas.
How do you calculate specific heat in chemistry?
Specific heat is the amount of heat required to raise one gram of any substance one degree Celsius or Kelvin. The formula for specific heat is the amount of heat absorbed or released = mass x specific heat x change in temperature.
Can you measure specific heat directly?
This property can be measured quite accurately and is called specific heat (Cp). Specific heat is the amount of energy, measured in joules, needed to raise the temperature of one gram of the substance one Celsius degree.
What is the heat of formation of glucose?
-1273.3kJ/mol
The standard enthalpy of formation of glucose is -1273.3kJ/mol, and for carbon dioxide it is -393.5kJ/mol, and for water -285.8 kJ/mol.
How do you find specific heat without mass?
Heat Capacity of an object can be calculated by dividing the amount of heat energy supplied (E) by the corresponding change in temperature (T). Our equation is: Heat Capacity = E / T.
Where can you find glucose?
It mainly comes from foods rich in carbohydrates, like bread, potatoes, and fruit. As you eat, food travels down your esophagus to your stomach. There, acids and enzymes break it down into tiny pieces. During that process, glucose is released.
What is the specific heat capacity of glucose?
What is the specific heat capacity of glucose? Substance (form) Enthalpy Δ f H (kJ) Specific heat C P (J/K) C 2 H 6 (g) -84.68 52.63 C 3 H 8 (g) -103.85 73.5 C 2 H 5 OH (l) -277.69 111.46 C 6 H 12 O 6 ( glucose) -1268 115
What is the specific heat of hydrogen gas at room temperature?
And indeed, hydrogen gas has a specific heat capacity of about 14.31 kJ/kgK at room temperature. But even hydrogen gas is not particularly useful in most cases that require a substance with the highest possible specific heat capacity.
What is the specific heat of water per gram?
The specific heat of water is 1 calorie/gram °C = 4.186 joule/gram °C which is higher than any other common substance. As a result, water plays a very important role in temperature regulation. The specific heat per gram for water is much higher than that for a metal, as described in the water-metal example.
How to make glucose powder at home?
Take one gram of Glucose. Heat it until its temperature increases by 10 deg C. Note down how long it took. Take one gram of water. Heat it until its temperature increases by 10 deg C. Note down the time it took.