Determining the average atomic weight

Assignment Help Chemical Engineering
Reference no: EM13877270

Chromium has four naturally-occurring isotopes: 4.34% of 50Cr, with an atomic weight of 49.9460 amu, 83.79% of 52Cr, with an atomic weight of 51.9405 amu, 9.50% of 53Cr, with an atomic weight of 52.9407 amu, and 2.37% of 54Cr, with an atomic weight of 53.9389 amu. On the basis of these data, confirm that the average atomic weight of Cr is 51.9963 amu.

Reference no: EM13877270

Questions Cloud

Write the inequalities that describe the constraints : Write the inequalities that describe the constraints on the number of each type of hedge trimmer produced.
Pair of planes within a cubic crystal : Cite the indices of the direction that results from the intersection of each of the following pair of planes within a cubic crystal:
Calculate target cost for maintaining current market share : Calculate the target cost for maintaining current market share and profitability. Can the target cost be achieved? How?
What is the firm''s long-run price-quantity combination : A monopolistically competitive firm has the following total cost function TC = 4Q2 + 30Q + 400 If the demand function for the firm's product is P = 600 - 30Q where Q 20-Find the firm's profit maximizing level of output and i..
Determining the average atomic weight : with an atomic weight of 51.9405 amu, 9.50% of 53Cr, with an atomic weight of 52.9407 amu, and 2.37% of 54Cr, with an atomic weight of 53.9389 amu. On the basis of these data, confirm that the average atomic weight of Cr is 51.9963 amu.
Analyze the nature and purpose of budgeting : Analyze the nature and purpose of budgeting, the stages involved in the preparation of budgets, identifying separately the roles of managers and the budget committee. *Please answer it according to the marks and make it at least 750 words and above.
Techno business model for intelligent healthcare : Write a 1200 words report on TECHNO-BUSINESS MODEL FOR INTELLIGENT HEALTHCARE SERVICES.
Critically describe absorption and marginal costing : Costing has always been a crucial area of concern for the Company. Mr.Freck, the Assistant Finance & Costing Manager, was assigned to lead this area, to manage financials together with the costing to ensure proper budgets and plans are put in place t..
What is you definition of spirituality : Four page paper on a person of a different faith. there must be an abstact and a over veiw of the history of the person faith- What is you definition of spirituality

Reviews

Write a Review

Chemical Engineering Questions & Answers

  Eliminate differences in composition

Eliminate Differences in composition and eliminate differences in temperature, pressure and phase

  How much must transmit power be increased

How much transmit power is required (disregarding power losses at transmitter and receiver ends) for a maximum BER of 10-5, when using:a. Coherently detected BPSKb. By how much must transmit power be increased to maintain the maximum BER of 10-5 if t..

  Mole of benzene fed into the reactor

The liquid stream from the scrubber goes to a dryer where the water is driven off leaving pure maleic anhydride - The moles of benzene that are completely oxidized in the reactor per mole of benzene fed into the reactor?

  The ponchon-savaret and mccabe-thiele methods

Calculate the theoretical stages needed to separate a 10 mole% ethanol liquid saturated feed into a 80 mole% distillate and a 0.1 mole% bottoms at 1 atmosphere pressure.

  Write 4 methods of measuring temperature & fluid pressure

CHE 352 – Spring 2014, In this assignment, students will review some of the concepts of measurements discussed, 4 methods of measuring temperature, 4 methods of measuring fluid pressure

  Question 1the effect of a hazardous substance depends on

question 1the effect of a hazardous substance depends on the concentration of the substance that is present in the

  Baffled tank with a six blade turbine agitator

Equal rates of mass transfer for the production of the fine chemical are required. This is often required for certain types of organic synthesis.

  What is the settling velocity in still air of a particle

What is the settling velocity in still air of a particle that is 40 µm in diameter and spherical? The particle has a density of 1400 Kg/m3. Use a density of 1.2 Kg/m3 and a viscosity

  Calculate the brake-kw power needed

1. It is desired to use 28.32 m 3 /min of air (metered at a pressure of 101.3 kPa and 294.1 K) in a process. This amount of air which is at rest enters the fan suction at a pressure of 741.7 mm Hg and a temperature of 366.3 K and is discharged at a p..

  Select a process variable

Select a process variable (pressure / temperature / level / flow) and conduct a literature survey to determine recent developments in process instrumentation field. Identify any one novel instrument and explain in detail the working of the instrument..

  Fragility versus loads and fire explosion safety issues

Risk Analysis and Management: Fragility versus Loads and Fire Explosion Safety Issues, 1. A propane tank is located 100 m away from the nearest buildings. The fragility to explosion can be expressed by

  Evaluate the work done by the gas

The atmospheric pressure of 100k Pa acts on the other side of the piston. The gas is heated until the volume is doubled and the final pressure is 500 kPa. Calculate the work done by the gas.

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