In an experiment similar to the empirical formula

Assignment Help Chemistry
Reference no: EM13384121

In an experiment similar to the empirical formula experiment in the lab book, a student reacted beryllium and oxygen from the air. The initial mass of beryllium was 0.915 g. The final product had a mass of 2.54g. What is the expression that gives the ratio of the moles of beryllium to moles of oxygen?

Reference no: EM13384121

Questions Cloud

Calculate the mass of helium that it would take to fill the : helium has a density of 1.79 x 10-4 gml at standard temperature and pressure. a balloon has a volume of 6.3 liters.
A file of student records contains name sex m or f age in : a file of student records contains name sex m or f age in years and marital status single or married for each student.
At 80 deg c the vapor pressures of pure liquids x y z are : at 80 deg c the vapor pressures of pure liquids x y z are 385 190 66 mm hg respectively. what pressure must be exerted
Gven the equation aaq 2baq 3caq 2daq 450 ml of 0050 m a : given the equation aaq 2baq 3caq 2daq. 45.0 ml of 0.050 m a is mixed with 25.0 ml 0.100 m b. at equilibrium the
In an experiment similar to the empirical formula : in an experiment similar to the empirical formula experiment in the lab book a student reacted beryllium and oxygen
It takes 217 kjmol to eject electrons from a certain metal : it takes 217 kjmol to eject electrons from a certain metal surface. what is the longest wavelength of light nm that can
Given 150g of nh3 reacts with 275g of o2 which is the : 4nh3 5o2 yields 4no 6h2ogiven 1.50g of nh3 reacts with 2.75g of o2 which is the limiting reactant? how many grams of
Radioactive wastes are stored in a spherical type 316 : radioactive wastes are stored in a spherical type 316 stainless steel tank kss 13 wmk of inner diameter 1 m and 1 cm
Calculate the wavelength of the electromagnetic radiation : calculate the wavelength of the electromagnetic radiation required to excite an electron from the ground state to the

Reviews

Write a Review

Chemistry Questions & Answers

  How many moles of carbon, hydrogen, & oxygen are present

How many moles of carbon, hydrogen, & oxygen are present in a 100g sample of ascorbic acid? Ascorbic acid (vitamin C) contains 40.92% carbon, 4.58% hydrogen, and 54.50% oxygen by mass. Assume a 100 g sample of ascorbic acid.

  How much time is required to produce the products

The reaction AB-> A+b is second order in AB and has a rate constant of 0.0245 M^-1 S^-1 at 25.0 degree celcuis . A reaction vessel initially contains 250.0 mL of 0.108 M AB which is allowed to react to form the gaseous product.

  Compute the plate height

Calculate the plate height (H) for a 16 cm-long column with a stationary phase particle diameter

  Determines the rate constant for reaction

Determines the rate constant for this reaction and express and determine how many mL of a 0.157M solution of KOH is required to react with 0.385g of CH 3 COOH?

  What observed rotation is expected of (r)-2-butanol is mixed

What observed rotation is expected when a 1.50 M solution of (R)-2-butanol is mixed with an equal volume of a 0.750 M solution of racemic 2-butanol

  Explain iodine tricholoride

Iodine tricholoride, ICI3, will react with a chloride ion to form ICI4-. Which species, if any, acts as a Lewis acid this reaction

  Compute the activity coefficient of glucose

Calculate the activity coefficient of glucose in this solution if the solution freezes at -0.66 C.

  Explain how can grains in a silo spontaneously explode

How can grains in a silo spontaneously explode? How is it that corn or any other grain can explode in a silo on it's own? How could a natural gas leak just cause corn to explode in a silo?

  Compute the ph of a solution containing formic acid

Calculate the pH of a solution containing 25.00 mL of 0.12 M formic acid (Ka = 1.7 x 10^-4) to which the following amounts of 0.10 M NaOH have been added:

  Explain octane ratings are assigned to gasoline mixtures

Octane ratings are assigned to gasoline mixtures based on their ability to prevent knocking relative to isooctane. Estimate the energy released during the combustion of 1.00 mol of pure isooctane.

  Explain what is the tire pressure in psi assuming

the temperature of the tire increases to 40.0 ?C). What is the tire pressure in psi assuming no change in volume for the tire? (1 atm = 14.70 psi).

  Explain the rate of bacterial hydrolysis of fish muscle

The rate of bacterial hydrolysis of fish muscle is twice as great at 2.2 degrees C as at -1.1 degrees C. Determine the activation energy for this reaction.

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