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Quantitative experiments show that **4.18 Joules** of heat energy are required to raise the temperature of 1g of water by 1°C. Thus, a liter (1000g) of water that increased from 24 to 25°C has absorbed 4.18 J/g°C x 1000g x 1°C or 4180 Joules of energy.The specific heat capacity of a substance is the quantity of heat needed to raise the temperature of a unit quantity of the substance by one degree. Calling the amount of heat added Q, which will cause a change in temperature ∆T to a weight of substance W, at a specific heat of material Cp, then **Q = w x Cp x ∆T**.Hence, the heat required by 10.0 g of aluminum to raise the temperature from 22∘C to 55∘C is **297 Joules**.

**Specific Heat Capacity**(C or S ) – The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity of the substance. The quantity of heat is frequently measured in units of Joules(J).

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Substance | C (J/g ^{o}C) |
---|---|

Water | 4.18 |

Table of Contents

## How many joules are required to raise the temperature?

Quantitative experiments show that **4.18 Joules** of heat energy are required to raise the temperature of 1g of water by 1°C. Thus, a liter (1000g) of water that increased from 24 to 25°C has absorbed 4.18 J/g°C x 1000g x 1°C or 4180 Joules of energy.

## How much heat is required to raise the temperature?

The specific heat capacity of a substance is the quantity of heat needed to raise the temperature of a unit quantity of the substance by one degree. Calling the amount of heat added Q, which will cause a change in temperature ∆T to a weight of substance W, at a specific heat of material Cp, then **Q = w x Cp x ∆T**.

### Specific Heat Capacity Problems Calculations – Chemistry Tutorial – Calorimetry

### Images related to the topicSpecific Heat Capacity Problems Calculations – Chemistry Tutorial – Calorimetry

## How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22 C to 55 C if the specific heat of aluminum is 900 J kg C?

Hence, the heat required by 10.0 g of aluminum to raise the temperature from 22∘C to 55∘C is **297 Joules**.

## What is the heat required to raise the temperature of 1 g of a substance by 1ºc or 1 K?

The **specific heat** is the amount of heat required to raise the temperature of 1 g of substance by one degree Celsius or one Kelvin.

## How many joules of heat energy are required to raise the temperature of 15 grams of gold from 22 c to 85 c?

1 Expert Answer

The energy needed to raise the temperature of 15 grams of gold from 22 degrees Celsius to 85 degrees Celsius is then **121.9 Joules** or 122 Joules (if rounded up).

## How much heat in joules is required to raise the temperature of 34.0 kg of water from 15 c to 95 c?

So, that’s 4,186 joules per kilogram Celsius degree for water specific heat capacity times its mass of 34 kilograms times the final temperature of 95 degrees Celsius minus the initial temperature of 15. And that gives about 1.1 times 10 to the **7 joules** required to raise this temperature that much.

## How do you calculate heat in joules?

**Multiply the mass of the object by its specific heat capacity and by the amount of temperature change**. This formula is written H = mcΔT, where ΔT means “change in temperature.” For this example, this would be 500g x 4.19 x 20, or 41,900 joules.

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## How do you calculate joules?

In classical mechanics, kinetic energy (KE) is equal to **half of an object’s mass (1/2*m) multiplied by the velocity squared**. For example, if a an object with a mass of 10 kg (m = 10 kg) is moving at a velocity of 5 meters per second (v = 5 m/s), the kinetic energy is equal to 125 Joules, or (1/2 * 10 kg) * 5 m/s^{2}.

## How do you calculate the energy needed to change temperature?

**Example**

- change in temperature = (100 – 25) = 75.0°C.
- change in thermal energy = mass × specific heat capacity × change in temperature.
- = 0.200 × 4,180 × 75.0.
- = 62,700 J (62.7kJ)

## How many joules of heat are absorbed to raise the temperature of 435 g of water at 25 atm to its boiling 100 C?

Questions | Answer | Explanations |
---|---|---|

40 How many joules of heat are absorbed to raise the temperature of 435 grams of water at 1 atm from 25°C to its boiling point, 100.°C? (1) 4.5 X 10 (3) 2.5 x 10^{4} J^{7} J (2) 1.4 x 10^{5} J (4) 7.4 x 10^{7} J |
2 | Q=m Hv= 435g x 2260J/g= 2,500,000J 2.5 x 10^{7} J |

## How many joules of energy are required to make 100 grams of ice at 0 C completely melt?

Ernest Z. Converting 100. g of ice at 0.00 °C to water vapour at 100.00 °C requires **301 kJ** of energy.

### How much heat (in joule) is required to raise the temperature of `205 g` of water from `21.2^(@)C`

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## What is the formula to calculate heat energy required to raise the temperature of any substance?

The specific heat capacity is the heat or energy required to change one unit mass of a substance of a constant volume by 1 °C. The formula is **Cv = Q / (ΔT ⨉ m)** .

## What amount of heat in joules is required to raise the temperature of 1g of water by 1 Kelvin?

From this, we know now that it takes **4.184 joules** to raise the temperature of 1 gram of water by 1 degree Celsius—that’s the specific heat capacity of water.

## What is the amount of the heat required to raise the temperature of 1 gram of water?

Solution : Amount of heat required to rise the temperature of 1g of water through `1^(@)C` is **1 calorie**.

## What is the quantity of heat required to raise the temperature of 1 gram of water through 1 C is?

**One calorie** is the heat energy required to raise the temperature of one gram of water by degree Celsius at a pressure of one atmosphere. One calorie is the heat energy required to raise the temperature of one gram of water by degree Celsius at a pressure of one atmosphere.

## How many joules of heat are required to raise the temperature of 20 g of water from 30 C to 40 C?

It’s about **25 kJ** – make sure you’re consistent in your units.

## How many joules are required to raise the temperature of 450 ml of water from 30 C to 100 C?

Answer: **25,200 J** (or 25.2 kJ). Explanation: Hope this helps!

## How much heat energy is necessary to raise the temperature of 5 kg of water from 20⁰c to 100⁰c?

Answer: Quantity of heat required to raise 5 kg of water from 20 0C to 1000C is given by the formula:**Q=m×c×ΔT**(Q is usually used to symbolize that heat required in a case like this.) For water, the value of . C is 4.186Jg°C.So,Q=750×4.186×85=266858J=266.858kJDT = temperature difference =100-20=80 0C.

## How much heat in joules is required to raise the temperature of 30.0 kg of water from 15o c to 95o c?

**1.1×107J**.

## How much energy is needed to raise the temperature of the water from 20.0 c to 100.0 c?

1 Answer. Ernest Z. To convert 100.0 g of water at 20.0 °C to steam at 100.0 °C requires **259.5 kJ** of energy.

## How much heat in joules must be added to 0.250 mol of AR G to raise its temperature from 20 c to 36.0 c at constant pressure?

Hence the correct answer is **83.** **2J**.

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## What is 1 joule of heat energy?

**the amount of energy needed to raise the temperature of a given mass by one degree**.

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Units of Heat | ||
---|---|---|

Calorie | 1 cal | 4184 J |

Joules | 1 J | 0.000239006 kcal / 0.000947817Btu |

BTU | 1 Btu | 1055.06 J |

## What is meant by Joule heating?

Joule heating is **the physical effect by which the pass of current through an electrical conductor produces thermal energy**. This thermal energy is then evidenced through a rise in the conductor material temperature, thus the term “heating”.

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