- Missed This Watch Kcv 9 6 Iwe 9 7 Read Section 9 6 You Can Click On The Review Link To Access The Section In Your Et 1 (16.52 KiB) Viewed 40 times
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MISSED THIS? Watch KCV 9.6. IWE 9.7; Read Section 9.6. You can click on the Review link to access the section in your e Text. The propane fuel (C₂Hs) used in gas barbeques burns according to the following thermochemical equation: C₂H₂(g) +50₂(g) →→ 3CO₂(g) + 4H₂O(g), AH-2217 kJ Part A If a pork roast must absorb 1.7 x 10 kJ to fully cook, and if only 14% of the heat produced by the barbeque is actually absorbed by the roast, what mass of CO₂ is omitted into the atmosphere during the grilling of the pork roast? Express your answer in grams to two significant figures. 17 ΑΣΦ ? TTL= g
Evaporating sweat cools the body because evaporation is an endothermic process: H₂O(1)→ H₂O(9) ΔΗ, = +44.01 kJ Part A Estimate the mass of water that must evaporate from the skin to cool the body by 0.50 °C. Assume a body mass of 90 kg and assume that the specific heat capacity of the body is 4.0 J/g. "C. Express your answer using two significant figures. 196] ΑΣΦ ? 771 g