Calculate the percentage of zn in the sample

Assignment Help Physics
Reference no: EM13933917

A 3.66-g sample containing Zn and Mg reacted with a dilute acid to produce 2.470 L H2 gas at 101.0 kPa and 300 K. Calculate the percentage of Zn in the sample.

Reference no: EM13933917

Questions Cloud

Oxygen gas can be produced by decomposing potassium : Oxygen gas can be produced by decomposing potassium chlorate using the reaction below. If 138.6 g of KClO3 is heated and decomposes completely, what mass of oxygen gas is produced?
Difference between law and ethics : How does the article illustrate the difference between law and ethics? Give specific examples. Using specific examples, explain how the article illustrates the following ethical principles:
Explain evolution of the field of organizational psychology : Define organizational psychology and explain the evolution of the field of organizational psychology. Compare and contrast organizational psychology with at lest two related disciplines. Analyze the role of research and statistics in the field of ..
What kind of art does my artist create : What kind of art does my artist create? Now do they create their work? What does their art making/creative process entail? What is the purpose of my artist's work? What message is my artists work trying to communicate
Calculate the percentage of zn in the sample : A 3.66-g sample containing Zn and Mg reacted with a dilute acid to produce 2.470 L H2 gas at 101.0 kPa and 300 K. Calculate the percentage of Zn in the sample.
Calculate the angle with the horizontal : The 3-m plank shown in section has a density of 800 kg /m3 and is hinged about a horizontal axis through its upper edge O. Calculate the angle e assumed by the plank with the horizontal for the level of fresh water shown.
Business organization-formation of a contract : There are a number of features of incorporation (such as separate legal entity, perpetual succession and so on and so forth) that distinguish a corporate entity such as a registered company from other forms of business organisation."
A uniform horizontal lever of length : A uniform horizontal lever of length 4.8 m pivoted at its mid-point is in equilibrium. The following forces are acting on the lever: an unknown upward force (force with upward vertical component) that makes an angle of 40 deg with the horizontal-left..
Restrictions to stimulate growth and cut unemployment : I need the answers of these questions and I have seen these questions in your website. Task 3 LO3: Understand the role of the major EU institutions. Task 3a The Communities Act 1972, which gives legitimacy to the UK's membership of the EU is under..

Reviews

Write a Review

Physics Questions & Answers

  How much current flows through one of the 10 resistors

If one resistor of a particular size is connected to a battery, 2.5A flow from the battery, How much current flows through one of the 10 resistors

  Find where is this problem the most worrisome

One of the predicted problems due to global warming is that ice in the polar ice caps will melt and raise sea level everywhere in the world. Where is this problem the most worrisome

  Find the magnitude of the acceleration of the masses

Volcanoes on the Earth eject rocks at speeds of up to 160 m/s. Consider a 1260 m high volcano that ejects rocks in all directions. What is the maximum height above sea level reached through rocks.

  Estimate how far from the film should the lens be placed

A camera has a lens with a focal length of 29.4 cm. When an object is placed 3.95 meters away is being photographed, how far from the film should the lens be placed

  What is minimum frequency of light needed to free electron

What is the minimum frequency of light needed to free an electron from a neon nucleus when the electron is in its lowest energy level n=1

  Calculate the length of the pendulum wire at the equator

A pendulum is made up of a 2.0 kilogram mass suspended on a thin aluminum wire. Compute the length of the pendulum wire at the equator

  Explain the five legal theories you could use in an attempt

Classify and explain the five legal theories you could use in an attempt to have the regulation declared invalid and overturned in court.

  Evaluate how far is the object displaced horizontally

An object of mass m is dropped at time t = 0 from the roof of a building of height h. How far is the object displaced horizontally before hitting the ground? Express your answer in terms of m, g, F, and h

  Calculate their wavelengths if the two have the same energy

Can a photon and an electron of the same momentum have the same wavelengths? Calculate their wavelengths if the two have the same energy

  Estimate the temperature of the tungsten filament

A common flashlight bulb is rated at 0.108 A and 3.28 V (the values of current and voltage under operating conditions). estimate the temperature of the tungsten filament

  Estimate the density of dark matter in the universe

Only about 5 % of the energy in the universe is composed of baryonic matter. Estimate the density of dark matter in the universe

  What is the position of the lens

Calculate the position that a lens should be placed in order to achieve the maximum magnification. The length between the object plane and the image plane is 50cm and are fixed ( meaning they are restricted). Only the lens can be moved. The focal ..

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