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KJ Yesudas is a famous Indian classical musician. During his career, now spanning five decades, he has recorded over 50,000 songs in various different languages.

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How much energy is required to vaporize 2 kg of copper Use the table below and this equation Q Melva?

2200 kj


What is the value for G at 700 K if H -92 kj mol and S -0.199 kj mol-k?

To calculate the Gibbs free energy (G) at 700 K, we can use the formula: ( G = H - TS ). Given that ( H = -92 , \text{kJ/mol} ) and ( S = -0.199 , \text{kJ/(mol·K)} ), we first calculate ( TS = 700 , \text{K} \times -0.199 , \text{kJ/(mol·K)} = -139.3 , \text{kJ/mol} ). Then, substituting into the Gibbs equation: [ G = -92 , \text{kJ/mol} - (-139.3 , \text{kJ/mol}) = 47.3 , \text{kJ/mol}. ] Thus, the value for G at 700 K is 47.3 kJ/mol.


How many kj in 4 weetbix?

There are approximately 560 kJ in 4 Weetbix biscuits.


What is the value for triangle G at 500 K if triangle H 27 kjmol and triangle S 0.09 kj?

To find the value for triangle G (Gibbs free energy change) at 500 K, we can use the Gibbs free energy equation: ΔG = ΔH - TΔS. Given that ΔH (triangle H) is 27 kJ/mol and ΔS (triangle S) is 0.09 kJ/K·mol, we first convert the units of ΔS to match ΔH (0.09 kJ/K·mol). Then, at T = 500 K, we calculate ΔG as follows: ΔG = 27 kJ/mol - (500 K * 0.09 kJ/K·mol) = 27 kJ/mol - 45 kJ/mol = -18 kJ/mol. Thus, the value for triangle G at 500 K is -18 kJ/mol.


How many KJ would it take to increase the temperature of 2kg of water by 1c?

To increase the temperature of 2 kg of water by 1°C, you would need 8.4 kJ of energy. This is based on the specific heat capacity of water, which is approximately 4.18 kJ/kg°C. Therefore, for 2 kg, the calculation is 2 kg × 4.18 kJ/kg°C × 1°C = 8.36 kJ, which can be rounded to 8.4 kJ.