2. The current prices per kilogram for industrial-grade MgSO, and NHANO, salts a

Question

2. The current prices per kilogram for industrial-grade MgSO, and NHANO, salts are gi below. MgSO4 $140.00/kg NH4NO3 = $100.00 kg HEATER, Inc. wishes to prepare hot and cold packs from these salts. Each pack is expected to absorb or release 50.0 kJ of energy (this is approximately equivalent to the energy absorbed or released by actual cold or hot packs). If the company wishes to produce 10,000 each of the hot and cold packs per day, use this data and your lab data from Experiment 2 to compute the cost per day for each chemical. Gradable Expectations: Neatly written Dimensional analysis for each step clearly shown Unit cancelling for each step clearly shown A. Chemical cost per day to produce 10,000 hot packs. Total cost- B. Chemical cost per day to produce 10,000 cold packs. Total cost

Explanation / Answer

Solution:

MgSO4 dissolution is exothermic SO it contributes to hot packets.

Chemical cost=10000*(50/83.4)*(120.366/1000)*140=101,026.618 $

NH4NO3 dissolution is endothermic SO it contributes to cool packets.

Chemical cost=10000*(50/25.4)*(80.043/1000)*100=157,564.96 $

Related Questions

Navigate

• Browse (All)
• Browse 2
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.