1- Methanol , CH3OH , is a fuel additive for some combustion engines . How much heat , in kJ , are released when 0.674 L

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1- Methanol , CH3OH , is a fuel additive for some combustion engines . How much heat , in kJ , are released when 0.674 L of ethanol is combusted in the presence of oxygen gas ? The density of methanol is 0.789 g / mL . Round your answer to the nearest kJ . CH3OH ( 1 ) +3 O₂ ( g ) → 2 CO₂ ( g ) + 3 H₂O ( 9 ) AH - 1371 kJ
2- If the reaction is to produce 0.344 moles of HI ( g ) , what is the minimum energy , in kJ , needed to carry out the reaction ? H₂ ( g ) + I2 ( 8 ) →→→ 2 HI ( g ) AH = 53.0 kJ
3- When gaseous water absorbs sufficient heat , it decomposes into its elements , as shown below 2 H₂O ( g ) → H₂ ( g ) + O2 ( 9 ) AH = 242 kJ If 255 kJ are absorbed by a given amount of water vapor , up to how many moles of oxygen gas can be liberated ?
4- Methanol , CH3OH , is a fuel additive for some combustion engines . How much heat , in kJ , are released when 3.98 mL of methanol is combusted in the presence of oxygen gas ? The density of methanol is 0.792 g / mL . CH3OH ( 1 ) + O2 ( g ) → CO₂ ( g ) + 2 H₂O ( g ) AH = -638.6 kJ

1 Methanol Ch3oh Is A Fuel Additive For Some Combustion Engines How Much Heat In Kj Are Released When 0 674 L 1 (92.25 KiB) Viewed 35 times

1 Methanol Ch3oh Is A Fuel Additive For Some Combustion Engines How Much Heat In Kj Are Released When 0 674 L 2 (139.28 KiB) Viewed 35 times

Methanol, CH3OH, is a fuel additive for some combustion engines. How much heat, in KJ, are released when 0.674 L of ethanol is combusted in the presence of oxygen gas? The density of methanol is 0.789 g/mL. Round your answer to the nearest kJ. CH3OH (1) +3 02 (g) 2 CO₂ (g) + 3 H₂O(g) AH = -1371 kJ Question 13 1 pts If the reaction is to produce 0.344 moles of HI(g), what is the minimum energy, in kJ, needed to carry out the reaction? H₂ (g) + I2 (s) → 2 HI(g) AH = 53.0 kJ
When gaseous water absorbs sufficient heat, it decomposes into its elements, as shown below. 2 H₂O (g) → H₂ (g) + O₂ (g) AH = 242 kJ If 255 kJ are absorbed by a given amount of water vapor, up to how many moles of oxygen gas can be liberated? Question 15 1 pts Methanol, CH3OH, is a fuel additive for some combustion engines. How much heat, in kJ, are released when 3.98 mL of methanol is combusted in the presence of oxygen gas? The density of methanol is 0.792 g/mL. CH3OH (1) + 02 (9) → CO₂ (g) + 2 H₂O(g) AH=-638.6 kJ