Define what is the empirical formula for this chromium oxide

Assignment Help Chemistry
Reference no: EM13246550

A 3.5514 g of a chromium oxide was found to contain 2.4299 g of chromium and 1.1215 g oxygen. What is the empirical formula for this chromium oxide?

Reference no: EM13246550

Questions Cloud

The percent of the population covered by health insurance : The governor of Michigan believes that the state can improve the stat's crime rate if the state can reduce the college debt carried by its citizens and if they can increase the percent of the population covered by health insurance.
Determine labor supply and real wage for given level of t : Consider an increase in the lump sum transfer T. Use the concepts of income and substitution effects to explain why anincrease in the lump sum transfer will reduce the amount of labor supplied.
Explain what is the percent of platinum in the sample : A sample of white gold is 18.0 grams gold, 3.0 grams silver, 2.0 grams cobalt, and 1.0 gram platinum by mass. What is the percent of platinum in the sample
Determine the smallest time period : Magnetic resonance imaging (MRI) is a medical technique for producing "pictures" of the interior of the body, Determine the smallest time period during which the field can be allowed to vanish if the magnitude of the average induced emf is to be kep..
Define what is the empirical formula for this chromium oxide : A 3.5514 g of a chromium oxide was found to contain 2.4299 g of chromium and 1.1215 g oxygen. What is the empirical formula for this chromium oxide
Summarizes and demonstrates the fundamental elements : which summarizes and demonstrates the fundamental elements of the process that need to be understood and executed to successfully expand a business on a global scale.
What will be the effect of the tax on employment and wage : Suppose that under a new law, all businesses must pay a tax equalto 3% of their sales revenue. Assume that this tax is not passed onto consumers. Instead, consumers pay the same prices after the taxis imposed as they did before.
How many potassium ions pass : Measurements with microelectrodes have shown that a 0.30-nm-diameter potassium ion(K+) channel carries a current of 1.8 pA, How many potassium ions pass through if the ion channel opens for 1.0 ms
Define what is the orientation of the oxygen atoms : Draw a representation of the 3-D structure of the anion, including only the bonding-pair electrons, and any sulfur lone-pair electrons. What is the orientation of the oxygen atoms with respect to each other around the S?S bond?

Reviews

Write a Review

Chemistry Questions & Answers

  Explain which is more electronegative hydrogen or deuterium

the dipole moment of CD^3F is 1.858 D, which is more electronegative, hydrogen or deuterium?

  What is the ph of the solution

A 35.0-mL sample of 0.20 M LiOH is titrated with 0.25 M HCl. What is the pH of the  solution after 23.0 mL of HCl have been added to the base?

  State what is the pressure exerted by the hydrogen alone

A sample of gas is collected over water at 14 degrees Celsius. The pressure of the resultant mixture is 113.0 kPa. What is the pressure exerted by the hydrogen alone?

  Compute the entropy of unfolding of lyzozyme

Lyzozyme(The protein) unfolds at a transition temperature of 75.5 degree celsius, the standard enthalpy of transition = 509 kJ/mol. Compute the entropy of unfolding of this protein at the temperature of twenty five degree celsius

  How many liters of gas would you need

Gaseous hydrogen has a density of 0.0899g/L at 0 degrees Celsius. How many liters would you need if you wanted 1.0078 g of hydrogen?

  State oxygen gas undergo an isothermal reversible

Calculate ?Ssys (in Joules) when 20.0 moles of oxygen gas undergo an isothermal reversible expansion from 30.0 L to 80.0 L.

  Explain what are the concentrations of cu2 and nh3

If 2.50 g CuSO4 are dissolved in 8.0 x 102 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium

  A gas cylinder that contains argon has an internal volume

A gas cylinder that contains argon has an internal volume of 6.88 L. A pressure gauge attached to the cylinder reads 1810 psi

  State firefly luciferase is the enzyme that allows fireflies

Firefly luciferase is the enzyme that allows fireflies to illuminate their abdomens. Because this light generation is an ATP-requiring reaction, firefly luciferase can be used to test for the presence of ATP.

  Compute the ka for the acid

dissolved in water to produce a 0.0172 M solution. The pH of the resulting solution is 2.34. Calculate the Ka for the acid.

  Calculate the ph of a solution

calculate the PH of a solution made by adding 5.00gram of sodium hydride,NaH,to enough water to make 0.900 litre of solution?

  State what are the concentrations of oh

What is the pH of a 25.00 mL solution of 0.10 M CH3CO2H? What are the concentrations of OH- and CH3CO2? Ka = 1.8 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!

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