WebJoules to thermochemical calories 1 cal th = 4.184 J The energy in thermochemical calories E(calth) is equal to the energy in joules E(J) divided by 4.184: E(cal) = E(J) / 4.184 Example Convert 600 joules to thermochemical calories. E(cal) = 600J / 4.184 = 143.4 cal th Joules to 15°C calories 1 cal 15 = 4.1855 J Web"Use the heat equation to calculate the energy for each of the following: a.calories to heat 8.5g of water 15 Celsius to 36 Celsius b.2600 joules lost when 25 g of water cools from 86 Celsius to 61 Celsius c.9.3 kilocalories to heat 150 g of water from 15 celsius to 77 celsius d.kilojoules to heat 175 g of copper 28 celsius to 188 celsius . Thanks.
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WebDec 21, 2024 · Explanation: To answer to this question, you need the equation: Q = Lice × m. Q is the amount of heat needed to melt the ice, Lice is the Latent Heat of melting for ice, and m is the given mass of ice. Various tables of latent heats give us: Lice = 3.34 ⋅ 105 J kg. m = 250g = 0.25kg. WebTranscribed Image Text: Use the heat equation to calculate the energy, in joules and calories, for each of the following (see the table): (Figure 1) Part A to heat 29.4 g of water from 12.5° C to 22.1 °C Express your answer using three significant figures. J Submit Previous Answers Completed; correct answer withheld by instructor Part B Figure 1 of 1 … i am quite ignorant of what they intend to do
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WebApr 3, 2024 · Calculate the energy in joules. 245 Calories = _ joules 2 See answers Advertisement Advertisement jorjafowler jorjafowler Answer: 1025.08. Explanation: … WebJul 22, 2024 · Using the relationship 1 Cal = 1,000 cal, we can answer the first question with a one-step conversion: 70.0 C a l × 1, 000 c a l 1 C a l = 70, 000 c a l. Then we convert … WebTo simply convert from any unit into joules, for example, from 100 kilowat-hours, just multiply by the conversion value in the right column in the table below. 100 kW · h * 3600000 [ (J) / ( kW · h) ] = 360000000 J To convert from J into units in the left column divide by the value in the right column or, multiply by the reciprocal, 1/x. mom inspired quotes