User Account

All Pages

A sample of an alloy containing only zinc and aluminum had

Assignment Help Chemistry
Reference no: EM13641844

A sample of an alloy containing only zinc and aluminum had a mass of 0.5937g. When this sample was reacted with excess HCl, 315.23ml of hydrogen gas, collected over water at a barometric pressure of 757.1 torr and a temperature of 21.3C, was generated. Determine the number of moles of hydrogen gas generated.

Reference no: EM13641844

Questions Cloud

Assuming that the particles velocity is perpendicular to : the solar wind is a thin hot gas given off by the sun. charged particles in this gas enter the magnetic field of the
A mixture of barium and silver is to be analyzed the barium : a mixture of barium and silver is to be analyzed. the barium component reacts with acid to generate hydrogen gas while
If using a cartesian coordinate system with origin o at the : a car is traveling over a hill. if using a cartesian coordinate system with origin o at the top of the hill the hills
A mixture containing only iron iii sulfide and iron iii : a mixture containing only iron iii sulfide and iron iii chloride is reacted with hcl. the iron sulfide reacts according
A sample of an alloy containing only zinc and aluminum had : a sample of an alloy containing only zinc and aluminum had a mass of 0.5937g. when this sample was reacted with excess
Suppose that protons are fired towards the large flat side : suppose that protons are fired towards the large flat side of a charged conducting plate. initial speed of the protons
What hydrogen ion concentration should be required to : what hydrogen ion concentration should be required to dissolve 0.10m mgf2 if the ksp for magnesium fluoride is 6.8x10-9
The vehicle then slows at a constant rate of 12 ms2 until : an electric vehicle starts from rest and accelerates at a rate of 2.5 ms2 in a straight line until it reaches a speed
The oxidation of the cyanide gives the stable cyanate ion : the oxidation of the cyanide gives the stable cyanate ion ocn-. the fumate ion cno- is very unstable the mercury salt

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the vapor pressure of liquid nickel

The vapor pressure of liquid Nickel at 1606° C is 0.100 torr, whereas at 1805° C, its vapor pressure is 1.000 torr. At what temperature does the liquid have a vapor pressure of 2.500 torr

  A solution of caffeine in chloroform as a solvent has a

caffeine is a stimulant found in coffee and tea . a solution of caffeine in chloroform as a solvent has a concentration

  Explain sulfuric acid per milliliter of the diluted solution

To prepare a fertilizer, an engineer dilutes a stock solution of sulfuric acid by adding 24.7 L of 5.25 M acid to enough water to make 500. L. What is the mass of sulfuric acid per milliliter of the diluted solution. 4 significant figures.

  Explain the amounts of reactants and products

Compare the amounts of reactants and products that will be present when the system reaches equilibrium. c.What will happen to the amount of Cl2 in the system if HCl is removed from the mixture. d. For this reaction, will the value of DG be positiv..

  Explain nh3 is a weak base and so the salt nh4cl acts

NH3 is a weak base (Kb = 1.8 × 10-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.049 M in NH4Cl

  State what are the shapes of the nme4

1. What are the shapes of the NMe4+, [I3]- and [I5]- ions? The hybridization of the atoms?

  What is the solubility of lead fluoride in a solution

What is the solubility of lead fluoride in a solution of 0.050 M of sodium fluoride?

  Calculate the molar solubility of agi

Calculate the molar solubility of AgI in 3.6 M NH3. The overall formation constant for Ag(NH3)2+ is 1.7 x 10^7.

  Find the structure of the product

1.27 (singlet, 6H); 2.12 (triplet,2H) and 4.26 (triplet, 2H). Determine the structure of the product and draw complete mechanism to show how it is formed.

  Explain what is the half life of the isotope

The number of nuclei decaying in a sample of Gallium-68 decreased by a factor of 4 over a period of 136.6 minutes. What is the half life of this isotope

  What is the percent of acid that has undergone ionization

if the freezing point of a 0.106m CH3COOH solution is -0.323 degrees celcius, what is the percent of acid that has undergone ionization?

  How many grams of potassium acetate to make buffer solution

How many grams of potassium acetate are needed to make the buffer solution. (Ka of acetic acid is 1.78 x 10^ -5)

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd