Define how many moles of hydrogen have been liberated

Assignment Help Chemistry
Reference no: EM13659025

A convinced mass of magnesium is reacted with 6M HCL. The hydrogen gas liberated is collected by displacing 200 ml of water. The pressure of the gas as well as the atmospheric pressure is equalized. The atmospheric pressure is 762 mmHg. The temperature of the experiment is 27 C. Define how many moles of hydrogen have been liberated, as well as what is the mass of the magnesium that reacted?

Reference no: EM13659025

Questions Cloud

Explain is the reaction spontaneous at standard conditions : Explain is the reaction spontaneous at standard conditions. Explain at what temperatures is the reaction spontaneous at standard conditions? Presume H° and S° do not depend on temperature.
Compute the molar mass of the first gas : If a gas of unknown identity diffuses at a rate of 83.3mL/s. In similar conditions a second gas, with a molar mass of 44.0 diffuses at a rate of 102 mL/s. Compute the molar mass of the first gas.
Explain a sample is a mixture of the salts and silver : Explain a sample is a mixture of the salts and silver nitrate, copper (II) chloride, and iron (III) chloride. Define when a 1.000 g sample of the mixture is dissolved in water as well as reacted with excess silver nitrate, 1.7809 g of precipitate ..
Explain how the five steps of the organizing process : Explain how the five steps of the organizing process determine the characteristics of the resulting organization. Which steps are most important?
Define how many moles of hydrogen have been liberated : The atmospheric pressure is 762 mmHg. The temperature of the experiment is 27 C. Define how many moles of hydrogen have been liberated, as well as what is the mass of the magnesium that reacted
Determine the outlet temperatures of both streams : The heat transfer area as well as overall heat transfer coefficient are 0.5 m2 and 2.0 kW/m2•K, respectively. Determine the outlet temperatures of both streams in steady operation using the (a) LMTD method and (b) the effectiveness-NTU method.
Explain the total pressure is found to be 3.0 atm : A 10.0 liter container is filled with .10 mol of H2(g) heated to 3000 K causing some of the H2(g) to decompose into H(g). Explain the total pressure is found to be 3.0 atm. Determine the partial pressure of H(g).
Explain if the same metal forms a complex : A complex ion [ML6]2+ is green in solution. Explain if the same metal forms a complex with another ligand, Q that generates a stronger crystal field. What color(s) could [MQ6]2+ be?
What is the distance covered on the return trip : An astronaut travels to a distant star by a speed of0.45c relative to Earth. From the astronaut's point of view, the star is 7.4 ly from Earth. On the return trip, the astronaut travels by a speed of 0.81c relative to Earth.

Reviews

Write a Review

Chemistry Questions & Answers

  Define what is the structure for hexadecanol

What is the structure for hexadecanol? What would explain why it is a solid, rather than a liquid?

  Explain butene compared with for a butadiene

Using the relationship between energy and wavelength (Beer's Law), explain which direction (higher wavelength or lower wavelength) the (max wavlength) will be found for butene compared with that for a butadiene

  How many moles of glucose c6h12o6 can be burned

how many moles of glucose C6H12O6 can be burned biologically when 10.0 mole of oxygen is available

  Explain what is the final temperature of the iron block

If the heat released during condensation goes only to warming the iron block, what is the final temperature (in ) of the iron block. (Assume a constant enthalpy of vaporization for water of 44.0.)

  How to calculate the distance nh3 gas and hcl

Calculate the distance NH3 gas and HCl gas would travel if a 100.0-cm tube were used, based on the accepted molar mass of the two gases

  If a pb atom is ionized using a photon of ultraviolet

the first ionization energy of lead pb is 716 kjmol. if a pb atom is ionized using a photon of ultraviolet radiation

  Explain the pressure in the tire exceed its maximum rating

An automobile tire has a maximum rating of 38 psi (gauge pressure). The tire is inflated (while cold) to a volume of 11.8L and a gauge pressure of 36.0 psi at a temperature of 12.0C. While driving on a hot day, the tire warms to 65.0C and its volu..

  Compute the molarity of a solution made by potassium

Calculate the molarity of a solution made by adding 28.4mL of concentrated potassium hydroxide(34.5% by mass, density 1.46g/mL) to some water in volume metric flask, then adding water to the mark to make exactly 250mL of solution.

  What would be the volume of the argon

A sample of argon has a volume of 205 cm3 when its temperature is -44.0 oC and its pressure is 712 mm of Hg. What would be the volume of the argon at STP?

  How a gaseous fuel mixture stored

A gaseous fuel mixture stored at 752 mmHg and 298 K contains only methane and propane . When 11.6L of this fuel mixture is burned, it produces 767kJ of heat.

  Depict the structure of any products that are formed

Predict whether the benzoin condensation would work with 4-tolualdehyde, 4- trifluoromethylbenzaldehyde, and 4-N ethylaminobenzaldehyde. Draw the structure of any products that are formed.

  Compute the molar absorptivities

Calculate the molar absorptivities for In- at 454 and 654nm, set up two simultaneous equations, and determine the molar concentrations of HIn and In- in the buffer solutions

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