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

  A catalyst decreases the activation energy of a particular

A catalyst decreases the activation energy of a particular exothermic reaction by 59 kJ/mol, to 51 kJ/mol. Assuming that the mechanism has only one step, and that the products are 94 kJ lower in energy than the reactants

  Does that mean that because of argon has larger mass

The mass of an Argon atom is more than that of a Helium atom. Does that mean that because of Argon has larger mass, it exerts a higher pressure on the walls of container than Helium at the same volume, molar density and temperature? Give explanati..

  How are gases affected under different atmospheric pressures

How are gases affected under different atmospheric pressures? In what ways might this affect you if you are moving to a different elevation?

  Calculate the equilibrium constant kp

Calculate the equilibrium constant KP if the total pressure is 2.6 atm at that temperature.

  Calculate the theoretical yield of the salt produced.

36.45 mL of 0.11 M hydrochloric acid were added to 36.45 mL of 0.098 M aqueous barium hydroxide. Calculate the theoretical yield of the salt produced.

  How many moles of oxygen are consumed

how many moles of oxygen are consumed each time 0.500 mole of P2O5 is formed?

  What is the mass fraction of the metal in the metal sulfide

A metal sulfide is 71.6% metal by mass. What is the mass fraction of the metal in the metal sulfide?

  Calculate molality of a normal creatinine level in blood

Creatine is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly realiable indicator of kidney function.

  Compute the ph after the addition hclo4

Calculate the pH after the addition of 0.00mL, 20.00mL, 24.00mL, 25.00mL, 26.00mL, 35.00mL, 44.00mL, 45.00mL, 46.00mL and 50.00mL of 0.200 M HClO4.

  What would be the volume

Suppose that a sample of gas occupies 192 mL of volume at 25C and a pressure of 206 torr. What would be the volume if the pressure were changed to 506 torr at 25C.

  Explain delta v and delta g

Predict the delta H, delta S, delta V and delta G for dissolving 60. g benzene (C6H6) in 100. g of toluene (C7H8) at 298 K. State any assumptions made.

  Calculate the composition (in %) of the three compounds

A solution composed of 50% ethanol (EtOH), 10% methanol (MeOH), and 40% water (H2O) is fed at the rate of 100 kg/hr into a separator that produces one stream

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