Explain what is the mass percent of aluminum in the alloy

Assignment Help Chemistry
Reference no: EM13255976

A 4.00 g sample of an aluminum-copperalloy reacts with excess hydrochloric acid. The 2.81 L of H2(g) produced is collected over water at a barometric pressure of 758.4 mmHg and 19°C. What is the mass percent of aluminum in the alloy?

Reference no: EM13255976

Questions Cloud

New is-lm model : New IS-LM model and to discuss how it leads to strong conclusions about monetary policy in four important areas.
What is the output in binary number corresponding to input : Design a 3:2 priority encoder. It will take inputs D3, D2, and D1, and produce A1 and A0. If exactly one of the inputs is true, the output is the binary number corresponding to the input number (D3 -> 11, D2 -> 10, D1 -> 01).
Explain the same balloon had been filled with helium : It takes 46.8 hours for nitrogen-filled balloon to shrink to a quarter of its original volume by effusion though a very small hole. If the same balloon had been filled with helium,
What is the beta of the firms operating assets : When you and your friends started this company five years ago, the riskiness of the cash flows involved in operating an online-retail shoe business was similar to now. Suppose that you and your friends are well-diversified across many stocks.
Explain what is the mass percent of aluminum in the alloy : A 4.00 g sample of an aluminum-copperalloy reacts with excess hydrochloric acid. The 2.81 L of H2(g) produced is collected over water at a barometric pressure of 758.4 mmHg and 19°C. What is the mass percent of aluminum in the alloy
What is the projects average accounting return : If the plant has projected net income of $1,814,300, $1,867,600, $1,836,000, and $1,289,500 over these four years, what is the project's average accounting return (AAR)?
What is the internal rate of return on this investment : The company depreciates its assets on a straight-line basis and has a marginal tax rate of 40 percent. What is the internal rate of return on this investment?
Find percentage increase in available current for starting : A standard 12-V car battery has an ampere-hour rating of of 30 Ah, whereas a heavy-duty battery has a rating of 51 Ah.  the ratio of available energy is 1.7 ratio.  Find the percentage increase in available current for starting
Define what were the molarities of cd2 and mn2 : The Cd2 was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 25.5 mL of 0.0250 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution

Reviews

Write a Review

Chemistry Questions & Answers

  Write the structure for the quinoxaline derivative obtained

Write the structure for the quinoxaline derivative obtained when benzil is the reactant. Do you think this compound would be coloured? If so, why?

  Compute the amount of n gas released

Calculate the amount of n2 gas released(in liters) when the diver returns to the surface of the water where the partial pressure of N2 is 0.80 atm

  How many joules of heat are lost

How many joules of heat are lost by 3473 kg granite as it cools from 41.1°C to -13.1°C?

  Explain apple juice has a hydrogen ion concentration

A sample of apple juice has a hydrogen ion concentration of 1.69 x 10^-6 M. Determine the pH of this sample

  Explain what is the nmr spectrum of benzene

What is the NMR spectrum of benzene, Suppose Dewar,Ladenburg,and Kekul?? had had a 13 C NMR spec- trometer.How many signals would the various candidates

  Explain what is the rate of appearance of no

For the reaction below, if the rate of apperance of Cl2 is .022M/s, what is the rate of appearance of NO

  How many milliliters of 0.105 m hcl are needed

How many milliliters of 0.105 M HCl are needed to titrate 50.0 mL of a solution that contains 1.25 g of NaOH per liter?

  What is the radius of the calcium ion

Calcium sulfide has a face-centered cubic unit cell with calcium ions in octahedral holes. If the radius of sulfide ion is 184pm and the density of CaS is 2.60 g/cm3.

  Explain ground state electron configuration for boron atom

What is the ground state electron configuration for the boron atom? What term symbols can arise from this electron configuration?

  Find out molecules exhibit resonance

Determine which of them exhibit resonance. (In other words, which of the following molecules exhibit resonance? Note: there is more than one answer and you must choose all of the molecules in the list that exhibit resonance.)

  Pinacol gives a mixture of pinacolone

Pinacol (2,3-dimethyl 2,3-butanediol) gives a mixture of pinacolone (3,3-dimethyl-2-butanone) and 2,3-dimethyl 1,3-butadiene by treating with acid.

  How much heat energy was released

Suppose a snack bar is burned in a calorimeter and heats 2,000 g water by 20 °C. How much heat energy was released? (Hint: Use the specific heat equation.) Give your answer in both joules and calories.

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