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How many kilojoules are required at 0 degrees Celsius to melt an ice cube with a mass of 25g?

To melt 25g of ice at 0 degrees Celsius, you need 334 J/g of energy (latent heat of fusion of ice). To convert this to kilojoules: 334 J/g * 25g = 8350 J = 8.35 kJ.


How much heat energy in kilojoules is required to convert 44.0 g of ice at -18.0 C to water at 25.0 C?

7.9


How do you convert sugar grams to kilojoules?

To convert sugar grams to kilojoules, you can use the conversion factor that 1 gram of sugar is equal to approximately 17 kilojoules. Multiply the number of sugar grams by 17 to get the equivalent amount in kilojoules. This conversion is based on the average energy content of sugar.


How do you get the kJ solar energy in on hour?

To calculate the energy generated by a solar panel in one hour in kilojoules, you would need to know the power output of the solar panel in kilowatts. You can then convert kilowatts to kilojoules by multiplying by 3,600 (since 1 kilowatt-hour is equal to 3,600 kilojoules). This calculation will give you the energy generated by the solar panel in kilojoules per hour.


How do i convert grams to kilojoules?

To convert grams to kilojoules, you first need to know the substance's energy content, typically expressed in kilojoules per gram (kJ/g). Multiply the mass in grams by the energy content of the substance to obtain the total energy in kilojoules. For example, if a food item has 4 kJ/g and you have 100 grams, the calculation would be 100 grams × 4 kJ/g = 400 kJ.


How do you convert 2.35 kilojoules of heat to degree celsius?

To convert 2.35 kilojoules of heat to degrees Celsius, you need to know the specific heat capacity of the substance being heated. Once you have this value, you can use the formula: Heat energy (in joules) = mass * specific heat capacity * change in temperature. By rearranging the formula, you can calculate the change in temperature in degrees Celsius.


What Bond energy needed to break or create bonds is measured in units is called?

Kilojouls Apex Finchy


Convert kilojoules to watts?

To convert kilojoules to watts, you can use the formula: Power (W) = Energy (kJ) / Time (s). For example, if you have 500 kJ of energy consumed over 10 seconds, the power output would be 50 watts (500 kJ / 10 s = 50 W).


How many kilo joules of energy are released when 1.60 kg of water cools from 80.0 degrees Celsius to 60.0 degrees Celsius?

The specific heat capacity of water is 4.18 J/g°C. First, calculate the heat energy required to cool the water from 80.0°C to 60.0°C using the formula: q = mcΔT, where q is the heat energy, m is the mass, c is the specific heat capacity, and ΔT is the temperature change. Then, convert the heat energy from joules to kilojoules.


What is the chemical formula for kilojoules?

Kilojoules (kJ) is unit of energy, not a compound.


What is the ionization energy level for N?

The first ionization energy for nitrogen is 1402 kilojoules/mole


What is 1kj to grams?

The conversion of kilojoules (kJ) to grams depends on the substance being measured, as different substances have different energy densities. Kilojoules measure energy, while grams measure mass. To convert energy (kJ) to mass (grams), you would need to know the specific heat capacity of the substance.