Web8 kilojoules are required. Kj = 25 g. 25 g x 334 J = 8350 J x 1 KJ = 8 = 8 KJ. g 1000 Q5 How many kilojoules are required to melt 15 g of ice at 0°C, and raise the temperature of the liquid that forms to 85°C? 5 kilojoules are required to melt the 15 g of ice and 10 kilojoules are required to raise the temperature. 15 g x 334 = 5010 = 5 = 5 ... Web30 sep. 2024 · Answer:- 8.35 kJ Solution:- It asks to calculate the heat required to melt 25 g of ice at 0 degree C. It is a phase change and the heat energy is calculated by using the formula: where q is the heat energy, m is the mass and is the enthalpy of fusion of ice. …
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Web4 mei 2015 · Q5 How many kilojoules are required to melt 15 g of ice at 0 °C, and raise the temperature of the liquid that forms to 85 °C? Question Transcribed Image Text: 4:55 … Web28 aug. 2024 · Calculate how many kilojoules are required to melt 1 lb of lead. 1 See answer Advertisement Advertisement GreatRedSpot GreatRedSpot SOLUTION: Note 1: … fisher price jeep replacement parts
How many Jolie’s are required for melting 12.8 g of ice at 0 …
Web18 sep. 2024 · How many grams of iron can be made with 21.5g of Fe2O3 Chemistry, published 03.10.2024 Consider the reaction below P4(g) + 6 Cl2(g) → 4 PCl3(g) If 0.351 … Web9 okt. 2024 · Amount of heat needed to melt = ? Solution: This is simply a phase change and a latent heat is required in this process. To solve this problem; use the mathematical expression below; H = mL where m is the mass L is the heat of fusion of water; H = 45 x 334 = 15030J Advertisement Advertisement Web28 apr. 2016 · Real Chemistry Apr 29, 2016 It takes 12,000 Joules of energy to melt 35 grams of ice at 0 °C Explanation: The enthalpy change for melting ice is called the … can a lot of people on the internet cause lag