Answer :
Final answer:
The final temperature of 12 g of water when it absorbs 2000 joules of heat is approximately 40.8 °C.
Explanation:
The final temperature of the water can be calculated using the equation q = mcΔT, where q is the heat absorbed, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature. Rearranging the equation, we get ΔT = q / (mc). Plugging in the given values, we have ΔT = 2000 J / (12 g × 4.184 J/g °C). Solving for ΔT gives us approximately 40.8 °C. Therefore, the final temperature of the water is option a) 40.8 °C.
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