User Account

All Pages

Compute the number of chromium atoms

Assignment Help Chemistry
Reference no: EM13274151

A particular type of stainless steel contains 11.0% chromium by mass and has a density of 7.91 g/cm3. a) Calculate the number of chromium atoms in a 2.0 cm by 1.0 cm by 7.0 cm piece of this stainless steel. b) Calculate the number of 52Cr atoms in the above sample. The natural abundance of 52Cr is 83.789%.

Reference no: EM13274151

Questions Cloud

Determine the net rate of work done on this object : The position of a 250g object is given (in meters) by x=5.0t^3 -8.0t^2 -44t , where t is in seconds. Determine the net rate of work done on this object
What is the volume of the tank : A storage tank contains 21.6 kg of nitrogetn (N2) at an absolute pressure of 3.65 atm, What is the volume of the tank
Explain m-chloroaniline starting from benzene : Which of the following reaction sequences can be used to prepare m-chloroaniline starting from benzene
What is the speed and pressure in the constriction : The liquid of density p in a horizontal pipe of diameter d1 before a constriction is at pressure P1 and flowing with the speed v1
Compute the number of chromium atoms : Calculate the number of chromium atoms in a 2.0 cm by 1.0 cm by 7.0 cm piece of this stainless steel. Calculate the number of 52Cr atoms in the above sample. The natural abundance of 52Cr is 83.789%.
Compute the mass of a sample of iron : Calculate the mass of a sample of iron (in kilograms) which contains the same number of atoms as 0.8118 L of mercury metal (density of mercury is 13.534 g/cm3).
Find minimized sop equations for flip-flop inputs and output : Create the circuit to implement the state table given below. Assume that on reset, the current state will become Q1Q0 = 00 using asynchronous inputs to the flip-flops. Note that the next state and output for state 3 are don't-cares.
Explain determine the rate of reaction with respect to o2 : Given the balanced equation 2 O3(g) --> 3 O2(g) , determine the rate of reaction with respect to [O2]. If the rate of formation of O2 is 6.94*10^-1 M/s, what is the rate of reaction of O3
What is the purpose of a budget : What is the purpose of a budget? Specify the different types of budgets in an enterprise and identify and evaluate the goals of each.

Reviews

Write a Review

Chemistry Questions & Answers

  What is the total number of cl ions in the solution

134 mole of KCl and .167 mole of CaCl2 were dissolved in water. What is the total number of Cl ions in the solution?

  Compute the concentration naoh

Calculate the concentration (in mol/L) of 30% by weight (30 g NaOH per 100 g of solution) NaOH solution. The density of the 30% by weight solution is 1.33 g/mL.

  Absolute and relative error in terms of the concentration

calculate the absolute and relative error in terms of the concentration of Pb2+ when the electrodes are used to measure the lead-ion concentration in a solution containing 3.17X10-2 M Pb(NO3)2 and 8.03X10-3 M Cd(NO3)2

  What concentration of the compound would be required

A compound has a molar absorptivity of 3.71*10^3 L cm^-1 mol^-1. What concentration of the compound would be required to produce a transmittance

  Explain delta v and delta g

Predict the delta H, delta S, delta V and delta G for dissolving 60. g benzene (C6H6) in 100. g of toluene (C7H8) at 298 K. State any assumptions made.

  Explain examining a bacterium under the microscope

A student is examining a bacterium under the microscope. The E. coli bacterial cell has a mass of m = 0.700fg (where a femtogram, fg, is 10?15g) and is swimming at a velocity of v = 2.00?m/s , with an uncertainty in the velocity of 8.00 %

  What is the molarity of the calcium ion

The average concentration of calcium ion in seawater is 412 mg of calcium ion per kg of seawater. What is the molarity of the calcium ion if the density of the seawater is 1.025 g/mL?

  Explain interparticle attraction forces

Explain which of the following solutions has the weakest interparticle attraction forces

  Define a semicarbazone melting

If an unknown forms a silver mirror in the Tollens test, forms a purple color in the Schiff test, produces no precipitate in the iodoform test, has a refractvie index of 1.5250, and forms a semicarbazone melting at 124-126 C

  Sate what result do you expect if the solution is hcl (aq)

what simple test would you use to identify the possible presence of HCl (aq)? what result do you expect if the solution is HCl (aq)?

  Explain the activation energy for the decomposition of o2

The activation energy for the reaction O + O3 ? 2O2 is 25 kJ/mol, and the enthalpy change is ?H = -388 kJ/mol. What is the activation energy for the decomposition of O2 by the reverse reaction

  Explain how many grams of naoh will react completely

hat mass of KOH, in grams, is required to prepare 125 mL of 2.35 M KOH solution? How many grams of NaOH will react completely with 187 ml of 0.430m HCl?

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