Presuming excess nitric acid computing the grams of copper

Assignment Help Chemistry
Reference no: EM13659013

Find out the mass of the copper that was removed from the penny. Presuming excess nitric acid, computing the grams of copper (II) nitrate that must have formed in the reaction

Original penny weight: 3.0712g
After nitric acid bath: 2.1476g
Use this reaction:
Cu(s) + 4HNO3(aq) -> Cu(NO3)2(aq) + 2H20(l) + 2NO2(l)

Reference no: EM13659013

Questions Cloud

State the reduction half reaction for the redox couple : A galvanic cell is constructed using the Cu/Cu2+ and Cr3+/Cr2O7 2- redox couples. State the reduction half reaction for the redox couple that would be the cathode.
Converging lens is typically a dissimilar size : The image produced by a converging lens is typically a dissimilar size from the object itself, but, for a lens with focal length there is one object distance that will yield an image the similar size as the object. What is that object distance?
Explain what mass of glucose in kg would be required : At the end of 2009, global population was about 6.8 billion people. Explain what mass of glucose in kg would be required to provide 1900 Cal/person/day of nourishment to the global population for one year
Explain what is the maximum amount of product formed : Explain what is the maximum amount of product that can be formed from 3CaCO3 + 2 FePO4--->Ca3(PO4)2+Fe2(Co3)3
Presuming excess nitric acid computing the grams of copper : Find out the mass of the copper that was removed from the penny. Presuming excess nitric acid, computing the grams of copper (II) nitrate that must have formed in the reaction
Starting with the ideal gas equation the density of a vapor : Starting with the ideal gas equation, illustrate how the density of a vapor may be determined by the vapor density method
Define breath through the fuel-cell breathalyzer : While a suspected drunk driver blows 190 of his breath through the fuel-cell breathalyzer, the breathalyzer makes an average of 326 of current for 10
Distance between the eyepiece and the objective lens : The distance between the eyepiece and the objective lens in a certain compound microscope is 18.4 cm. The focal length of the objective is 0.600cm, and that of the eyepiece is 1.80 cm. discover the overall magnification of the microscope.
Describe lewin''s three-step change process : Describe Lewin's three-step change process

Reviews

Write a Review

Chemistry Questions & Answers

  An aqueous solution is 36 by mass silver nitrate agno3 and

an aqueous solution is 36 by mass silver nitrate agno3 and has a density of 1.41 gml. what is the molality of silver

  Calculate the change in gibbs free energy

Calculate the change in Gibbs free energy for each of the following sets of ΔH ° rxn , ΔS ° rxn , and T .

  Explain the equilibrium constant has been measured

When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for this reaction

  Calculate the concentration of ascl3 in solution c

Calculate the number of molecules of AsCl3 that would be in 1 mL of Solution C at this concentration. Look at your answer. This is the average number per mL. But what is the most likely number (ie integer) of molecules of AsCl3 in 1 mL?

  Explain ethene (c2h4) and h2 form ethane (c2h6)

Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. In the simplest case, ethene (C2H4) and H2 form ethane (C2H6).

  Find the actual relative masses of the elements

Write the simplest balanced equations, and find the actual relative masses of the elements. Explain your reasoning.

  Evaluate the ratio of [a-] to [ha] after 12.59 ml naoh

In a titration, 25.18 mL of monoprotic weak base HA is neutralized with 25.18 mL of 0.502 M NaOH. Calculate the ratio of [A-] to [HA] after 12.59 mL of 0.502 M NaOH has been added to the initil amount of HA.

  Define the complete combustion of acetylene

The air we breathe is approximetly 20% oxygen. the reaction for the complete combustion of acetylene is 2C2H2 + 5O2 ------> 4CO2+ 2H2o

  Explain what is the final temperature of spoon coffee

What is the final temperature of spoon + coffee? (Assume that the heat capacity of the spoon is the same as that of pure iron and that the heat capacity of the coffee is the same as that of pure water.)

  Explain what is the change of enthalpy in condensing

what is the change of enthalpy in condensing 15.0 g of water at 100 degrees C at constant pressure.

  Describe cobalt iodide

You find a reagent bottle that is labeled with "vanadium (III) nitrate hydrate" and it contains a chalky looking powder. Do you believe the label? Why or why not?

  Find out the number of moles of base in the pill

We are given an unknown antacid pill and through the procedure in this lab we determine its cost effectiveness to be 5.0x10-1 mole of acid/$. Can we also determine the number of moles of base in the pill

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