How much energy (in calories) is needed

Assignment Help Chemistry
Reference no: EM13124739

How much energy (in calories) is needed to heat 12cm^3 of fat from room temperature (25C ) to its melting point (35C)?  Specific heat of fat 0.45 cal/(g*C, and the density of fat is .94g/cm^3)

Reference no: EM13124739

Questions Cloud

What is the dollar value of the ending inventory : A company manufactures a single product. During year 2012, a total of 20,000 units of this product were produced and 15,000 units were sold. The sales price was $20.00 per unit.
Little cabbage firm acquired an adjacent lot to construct : Little Cabbage Firm acquired an adjacent lot to construct. Fees paid to remove an old building from the land were $9,000. Materials salvaged from the demolition of the building were sold for $3,000. A contractor was paid $800,000 to construct a new..
India''s freedom struggle : Chapter three of Wolpert's A New History of India repeatedly refers to an Aryan "invasion" or "conquest" of India. Why is this controversial?
Graph the bond yield to maturity : Identify two possibly mispriced bond issues, one overpriced and one underpriced. and graph the bond yield to maturity (YTM) on the y-axis of an XY-scatter plot, with the bond to maturity in years on the x-axis.
How much energy (in calories) is needed : How much energy (in calories) is needed to heat 12cm^3 of fat from room temperature (25C ) to its melting point (35C)?  Specific heat of fat 0.45 cal/(g*C, and the density of fat is .94g/cm^3)
Find test statistic-degrees of freedom and the p-value : State appropriate null and alternative hypotheses. Report the test statistic, its degrees of freedom, and the P-value. What do you conclude?
Compute the cost of the units transferred : Beginning inventory was 20% complete for conversion cost. Ending inventory was 70% complete for concersion costs. Compute the cost of the units transferred out during July and the ending inventory July 31 using the weighted-average method.
Is histogram approximately bell shaped and symmetric : Use 9 classes. Is the histogram approximately bell shaped and symmetic? Does this agree with the results predicted by the Central Limite Theorem?
What is the final volume : A gas occupying a volume of 263 mL at a pressure of 0.970 atm is allowed to expand at constant temperature until its pressure reaches 0.541 atm. What is its final volume?

Reviews

Write a Review

 

Chemistry Questions & Answers

  Heat of sublimation of methane

Calculate approximately the value for the heat of sublimation of methane and calculate the pH for this solution

  How much bauxite ore is required

The refining of aluminium from bauxite ore proceeds by the overall reaction: 2Al2O3 + 3C --> 4Al + 3CO2.

  Determine the concentration of o3 in air

determine  the concentration of O3 in air sample (in ppm)If 10,000 Litres of air bubbled through iodide solution and back titrated with 19.4 mL of a 1.2x10-4 M Sodium thiosulfate, also spelled sodium thiosulphate solution to reach equivalence,?

  What is the of x-281

To find the of X-281, you prepare a 0.086 test solution of X-281. The pH of the solution is determined to be 2.70. What is the of X-281

  What mass of argon gas is in the flask

A flask contains a mixture of Ne(g) and Ar(g). There are 0.250 mol of Ne(g) which exerts a pressure of 205 mmHg. If the Ar(g) exerts a pressure of 492 mmHg.

  Calculate the mass of calcium carbonate

The pH in a lake the size of 4.0 km X 7.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.

  Determine the dhfo

At the temperature of twenty five degree celsius  when 1.00 g of sulfur is burned at constant pressure in an atmosphere of oxygen to give SO 2 ,  and 9.28 kJ of heat is liberated. Determine the  ΔHfo of SO 2 ?

  Find the intrinsic conductivity for germanium

Find the intrinsic conductivity for germanium. (Assuming ni = 2.5x 1019/m3 at room temperature.)

  Compute the activation energy for reaction

Compute the activation energy for this reaction when The half-lives were found to be 161 min at 199 Celsius and 12.5 min at 230 celsius? The isomerization of methyl isocynide follows first order kinetics.

  To what pressure should you fill the acetylene tank

Imagine that you have a 6.50L gas tank and a 2.50L gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.

  What is the minimum mass of nahco3 that must be added

If 23mL of 6.4M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid.

  What is the percentage yield of the reaction

Phosphorous trichloride (PCl3) is produced from the reaction of white phosphorous (P4) and chlorine: P4(s) + 6 Cl2(g) → 4 PCl3(g) . A sample of PCl3 of mass 298 g was collected from the reaction of 75.37 g of P4 with excess chlorine.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd