Explain the specific heats of solid and liquid ethanol

Reference no: EM13147651

Ethanol (C2H5OH) melts at -114°C. The enthalpy of fusion is 5.02 kJ/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135°C to liquid ethanol at -50°C? Question 9 options: 207.3 -12.7 6.91 4192 9.21

Reference no: EM13147651

Questions Cloud

Problem related to estimated inventory : Hawkeye Auto Parts uses the retail method to estimate inventories. Data for the first six months of 2011 include: beginning inventory at cost and retail were $55,000 and $100,000, net purchases at cost and retail were $785,000 and $1,300,000, and ..

Explain the difference between accounting profit : Explain the difference between accounting profit and economic profit. Which should business owners be more concerned with and why? Provide an example that would illustrate how accounting profit and economic profit differ.

Why might college students price elasticity for vacation : Why might college students’ price elasticity for vacation rentals on HHI be 3.0 while active seniors’ price elasticity be 1.0?

What exactly is a cytoplasmic receptor : What exactly is a cytoplasmic receptor and why is a small nonpolar molecule the most likely candidate to have a cytoplasmic receptor?

Explain the specific heats of solid and liquid ethanol : The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)

Statute of frauds which is a statute that most states : Discussed the Statute of Frauds which is a statute that most States have enacted and which requires certain contracts to be IN WRITING in order for the contract to be enforceable. With how the internet,

Retail method to estimate inventories : Lacy's Linen Mart uses the retail method to estimate inventories. Data for the first six months of 2011 include: beginning inventory at cost and retail were $60,000 and $120,000, net purchases at cost and retail were $312,000 and $480,000, and sal..

Are the following questions about the lactose permease : The lactose permease of E. coli is a protein composed of a single polypeptide that is 417 amino acids in length. By convention, the amino acids within a polypeptide are numbered from the amino terminus to the carboxyl terminus. Are the following q..

Find range of values students must graduate-empirical rule : Suppose that the average number of years to graduate at a university is 4 years, with a standard deviation of 0.5 years. From the Empirical Rule, what is a range of values that 95% of the students should graduate between?

User Account

All Pages