When Butane (C₄H₁₀,58 $\to$ 8 CO₂(g)+ 10 H₂O( )
A)9

question 40

Multiple Choice

When butane (C₄H₁₀,58.14 g/mol) is burned in oxygen according to the reaction below,5755 kJ of heat is released.About how much butane should a backpacker carry if s/he needs to heat 1.50 L of water from 17°C to 100°C? Assume all the energy from the combustion is used to raise the water's temperature.[c_p(water) = 4.18 J/(g . °C) ; d(water) = 1.00g/mL; c_p(butane) = 1.69 J/(g . °C) ] 2 C₄H₁₀(g) + 13 O₂(g) $\to$ 8 CO₂(g) + 10 H₂O( )

• A)9.0 g
• B)5.3 g
• C)3.5 g
• D)22 g
• E)11 g

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Definitions:

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