What is the heat of fusion per mole of cadmium

Assignment Help Chemistry
Reference no: EM13167743

A 35.8-g sample of cadmium metal was melted by an electric heater providing 4.66 J/s of heat. If it took 6.92 min from the time the metal began to melt until it was completely melted, what is the heat of fusion per mole of cadmium?

Reference no: EM13167743

Questions Cloud

Capacity as a systems analyst : In your capacity as a systems analyst, you may face situations in which you encounter an ethical dilemma. For example, you may be asked to design a system that supports an activity with which you personally disagree
Determine the rate of reaction : Given the following balanced equation, determine the rate of reaction with respect to [NOCl]. If the rate of Cl2 loss is 4.84 x 10-2 M/s, what is the rate of formation of NOCl?
A file (complex.txt) which has a number of complex numbers : Read in a file (complex.txt) which has a number of complex numbers in the form of a+bi (e.g. 3+5i  2-3i etc).
Calculate the mass of silver chloride required to plate : Calculate the mass of silver chloride required to plate 235 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% .
What is the heat of fusion per mole of cadmium : A 35.8-g sample of cadmium metal was melted by an electric heater providing 4.66 J/s of heat. If it took 6.92 min from the time the metal began to melt until it was completely melted, what is the heat of fusion per mole of cadmium?
Our string class always deletes the old character buffer : Our String class always deletes the old character buffer and reallocates a new character buffer on assignment or in the copy constructor.
Other area of medicine would you expect technology : In what other area of medicine would you expect technology to make inroads next? Where do you think it would be most beneficial and how would it changes the way doctors and nurses work today? Provide several examples
How many moles of acetylene will be produced : If 6.20 mol calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2) will be produced?
How many grams of kcio3 were used : if 82.7874 grams of oxygen was given off during the decomposition, how many grams of KCIO3 were used?

Reviews

Write a Review

Chemistry Questions & Answers

  How long is the wire

A copper wire (density = 8.96 g/cm3) has a diameter of 0.39 mm. If a sample of this copper wire has a mass of 43 g, how long is the wire?

  What is the change in enthalpy

What is the change in enthalpy when 18.4 g of steam at 100?C is converted to liquid water at the same temperature and pressure? The heat of vaporization of water is 40.7 kJ/mole. Answer in units of kJ.

  Explain what is the bond order of the neutral cn

Do you expect CN- anion to be affected by a magnetic field? Explain your reasoning. (d) What is the bond order of the anion CN- ? (e) What is the bond order of the neutral CN?

  Calculate the equilibrium constant for the reaction

In an experiment, equal volumes of 0.00200M FeCl3 and 0.00200M NaSCN were mixed together and reacted according to the equation:

  Consider the formation of n-butyl alcohol and nabr

Consider the formation of n-butyl alcohol and NaBr in the presence of H2SO4. If you start with 1.31g of n-butyl alcohol and end up with 1.79g of n-butyl bromide

  What is the correct electron configuration for cr

what is the correct electron configuration for Cr (chromium). Chose the proper Lewis dot structure for the compound or poliatomic ion: Sulfur Dioxide (SO2).

  What is the final temperature of the water

If 8.00 kJ of heat are added to 200. g of water at 20.0 C, what is the final temperature of the water?

  Determine the boiling point of an aqueous solution

Determine the boiling point of an aqueous solution that is 2.30 m ethylene glycol (C2H6O2); Kb for water is 0.52 degrees celsius/m.

  What is the mechanism of the reaction of phenylmagnesium

Why is the water bath used to heat the reaction? 4)What is the mechanism of the reaction of phenylmagnesium bromide and CO2? Include the workup steps. 5) In this experiment, it is important to use freshly obtained dry ice. Why?

  Compute the molar mass of x

Calculate the molar mass of X. 2.Identify the element symbol for X F2+2XBr -----> Br2+2XF

  Compute the volume of oxygen at stp

It decomposes into its elements. Write the balanced equation for this reaction. If 71.8 g of Hgo is decomposed, calculate the volume of oxygen at STP

  What volume would it occupy

If the methane contained in 5.00L of a saturated solution at 25 ^circ rm C was extracted and placed under STP conditions, what volume would it occupy.

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