What is the formula of the oxide

Assignment Help Chemistry
Reference no: EM13141256

A strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all converted to a black oxide. The resultant black powder weighs 3.978 g. What is the formula of the oxide?

Reference no: EM13141256

Questions Cloud

Overhead standard using activity-based costing : Donkey Company manufactures two products, Standard and DeLuxe. Donkey's overhead costs consist of machining, $2,000,000; and assembling, $1,000,000. Information on the two products is:
Pay for the investment : If Alice decides to buy the investment, she would receive the first $250 payment one year from today. How much should Alice be willing to pay for this investment?
How many liters of oxygen gas will react : How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal? 2 Mg + O2 yields 2 MgO
Report from the lease transaction : In its 2004 income statement, what amount of interest expense should Gonzalez report from this lease transaction?
What is the formula of the oxide : A strip of electrolytically pure copper weighing 3.178 gram is strongly heated in a stream of oxygen until it is all converted to a black oxide. The resultant black powder weighs 3.978 g. What is the formula of the oxide?
Statements regarding the contribution margin ratio : Which of the following statements regarding the contribution margin ratio is not true?
What mass of fe(c5h5)2 could theoretically be formed : What is the limiting reagent in this procedure? B. Based on your answer to part A, what mass of Fe(C5H5)2 could theoretically be formed? C. A student who carried out this reaction obtained 2.7 g of ferrocene. What was the percent yield for this re..
Define wlan : In WLAN data can be sent in one of the two different network modes. What are these modes?
Carrying value-book value of the bonds : Using this information, with all other information the same, determine the carrying value [book value] of the bonds at June 30 of the current year?

Reviews

Write a Review

Chemistry Questions & Answers

  Fischer projections isomers enantiomers and stereocenters

Fischer projections, isomers, enantiomers and stereocenters, For 2,3-butanediol, there are 3 isomers; 2 are enantiomers, one is not.

  Explain standard hydrogen electrode

Standard potentials measured against the standard hydrogen electrode, Standard potentials are measured against the standard hydrogen electrode (S.H.E.). Because it is not always convenient to use a S.H.E

  Determine the mass of sodium phosphate

Determine the mass of sodium phosphate that yields 1.00 g of calcium phosphate precipitate.

  What was the initial pressure

A 250-L tank is evacuated and connected to a 50.0-L bulb filled with compressed argon. After they are joined, the pressure in the bulb falls to 2.20 atm.

  Changes in combustion and heating aluminum

Aluminum has a specific heat of 0.880 J/g-deg. How many joules are needed to heat 155g of Al from 20.0oC to 75.0oC

  What is the ph of a buffer solution

What is the pH of a buffer solution if 100.0 mL of the solution is 0.15 M with respect to acetic acid and contains 1.56 g of sodium acetate, CH3COONa.

  How many liters gaseous water are produced

which is limiting reagent when 42.0g of propane , C3H8, is burned with 115g of oxygen ? how many liters gaseous water are produced at STP

  Find the normal boiling point of a saturated solution

Find the normal boiling point of a saturated solution of LiF at 100C, assuming it undergoes complete dissociation. The solubility of LiF is 230 mg/100 g of water at 100C

  Determine the percentage of each anomer at equilibrium

Specific rotation of α and β -D-glucose - Determine the percentage of each anomer at equilibrium.

  Define phenoxide anion and forms acetyl imidazole

Imidazole, acting as a nucleophile, catalyzes the hydrolysis of phenyl acetate by attach on the carbonyl carbon atom of the ester. The imidazole displaces the phenoxide anion and forms acetyl imidazole

  Determine the quantity of charge

Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?

  What is the molarity of a hcl solution

What is the molarity of a HCl solution if the reaction of 200 mL of the HCl solution with excess CaCO3 produces 14.0 L of CO2 gas at 725 mmHg at 18 degree celsius.

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