Explain how copper sulfide is formed

Assignment Help Chemistry
Reference no: EM13278287

When copper is heated with an excess of sulfur, copper(I) sulfide is formed. In a given experiment, 2.33 g of copper was heated with excess sulfur to yield 1.76 g of copper(I) sulfide. What is the percent yield?

Reference no: EM13278287

Questions Cloud

Explain the equilibrium partial pressure of nh3 increases : or each of the following cases, briefly explain whether the action causes net reaction from left to right, right to left, or no net reaction. Also, state whether the equilibrium partial pressure of NH3 increases, decreases or stays the same. (a) i..
Find the final speed of the puck b and a after the collision : Hockey puck B rests on a smooth ice surface and is struck by a second puck A, which has the same mass. Puck A is initially traveling at 14.6 and is deflected 28.0 from its initial direction. Assume that the collision is perfectly elastic.
Explain the magnitude of the partial charges in hbr : Determine the magnitude of the partial charges in HBr given that the bond length is 1.41 angstroms and the dipole moment is 0.82 debye.
Explain the formation reaction of h2so4 : Which one of the following reactions occurring at 25 ?°C is the formation reaction of H2SO4(l) a. H2(g) + S(s) + 2O2(g) => H2SO4(l) b. H2SO4(l) => H2(g) + S(s) + 2O2(g) c. H2(g) + S(g) + 2O2(g) => H2SO4(l) d. H2SO4(l) => 2H(g) + S(s) + 4O(g) e. 2H..
Explain how copper sulfide is formed : When copper is heated with an excess of sulfur, copper(I) sulfide is formed. In a given experiment, 2.33 g of copper was heated with excess sulfur to yield 1.76 g of copper(I) sulfide. What is the percent yield
What was the time of death : Assume that the temperature of the body at the time of death was 98.6 fahrenheit and that is has cooled in accourd with Newton's law. What was the time of death ?
Define the theoretical yield in grams of co2 produced : Assuming gasoline is 89.0% isooctane, with a density of 0.692 g/mL, what is the theoretical yield (in grams) of CO2 produced by the combustion of 1.56 x 1010 gallons of gasoline
Explain about natural growth model : How long will it take before it is considered dangerous to live in this mountain valley - atmospheric pollutants in a certain mountain valley grown according to a natural growth model
How to calculate the standard enthalpy change : Data: SO2(g) + 1/2O2(g) => SO3(g) ?H = -99kJ Use the data above to calculate the standard enthalpy change for the reaction below. Reaction: 2SO3(g) => O2(g) + 2SO2(g) H

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the regions of high electron density

Identify the most stable arrangement of the regions of high electron density. Diagram and name the type of structure that the molecules has based on positions of the atoms.

  Explain partial pressure of the cyclopropane in the mixture

If the partial pressure of the cyclopropane in the mixture is 330 mm Hg and the partial pressure of the oxygen is 1.0 atm, what is the total pressure of the mixture in torr

  Explain how many times faster is reaction

A student sets up two reactions. Reaction 1 uses 0.290 of reactant, and Reaction 2 uses 0.580 of reactant. How many times faster is Reaction 2 compared to Reaction 1. Express your answer as a multiple of the rate for Reaction 1 to three significan..

  What is the molarity, molality and mole fraction

commercial concentrated aqueous ammonia is a solution of 28.0%, by mass, ammonia, NH3, (molar mass=17.0 g/mol) in water. the density pf the solution is .900g/mL.

  Explain a valve connected to the tank is opened

A well-insulated rigid tank of volume 0.2 m3 initially contains helium at 70°C and 200 kPa. A valve connected to the tank is opened, and helium is withdrawn slowly until the pressure within the tank drops to p. An electrical resistor inside the ta..

  Arrange the following in increasing order of mass

arrange the following in increasing order of mass.

  Compute the work done by the gas

Helium gas at constant pressure of 7.4 atm, expands in volume from 21.3 L to 79.2 L. The temperature is held at 278 K. Calculate the work done by the gas (in joules).

  Compute the heat energy released of liquid mercury

Calculate the heat energy released when 14.1 g of liquid mercury at 25.00 C is converted to solid mercury at its melting point. Constants for mercury at 1 atm

  Describe the major absorption bands in the ir spectrum

Describe the major absorption bands in the IR spectrum - indicate the bonds responsible for those peaks which prove you have synthesized isopentyl acetate and that it is an ester.

  Explain the information here to determine the value of ssurr

Consider the following reaction at constant P. Use the information here to determine the value of Ssurr at 298 K. Predict whether or not this reaction

  State methylcyclohexanol when treated with hg

Draw the two alkenes that would yield 1-methylcyclohexanol when treated with hg(OAc)2 in water

  State sample of the hydrochloric acid solution

Suppose you take a 25.00 mL sample of this hydrochloric acid solution. You then titrate it with a 0.1477 M sodium hydroxide solution.

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