Explain what mass of formaldehyde gas must be released

Assignment Help Chemistry
Reference no: EM13221824

What mass of formaldehyde gas must be released from building materials to produce a concentration of 50 ppm of the gas in a room with dimensions of 4m*5m*2m?

Reference no: EM13221824

Questions Cloud

Determine what is the estimated population mean : A state meat inspector in Iowa has been given the assignment of estimating the mean net weight of packages of ground chuck labeled "3 pounds." Of course, he realizes that the weights cannot be precisely 3 pounds. A sample of 36 packages reveals th..
Define the osmotic pressure of a solution : Calculate the osmotic pressure of a solution that contains 1.22 g of sucrose (C12H22O11) dissolved in 100. g of water at 25°C. (Assume the volume of the solution is 100. mL.)
What is the mean of the sampling distribution : a. What is the mean of the sampling distribution?
How to identify changes in market conditions : the government provides national dental benefits for all U.S. citizens that cover 100% of the cost of all dental services. There are two effects of this policy. First, there will be an increase in the number of consumers of dental services. Second..
Explain what mass of formaldehyde gas must be released : What mass of formaldehyde gas must be released from building materials to produce a concentration of 50 ppm of the gas in a room with dimensions of 4m*5m*2m?
What is the probability that the mean milk production : 4. Although most of us buy milk by the quart or half gallon, farmers measure daily production in pounds. Ayreshire cows average 47 pounds of milk a day with a standard deviation of 6 pounds. For Jersey cows, the mean daily production is 43 pounds wit..
Compute the molecular weight of a polymer : Estimate the molecular weight of a polymer if a 100.-mL solution of 6.5 g of the polymer in toluene has an osmotic pressure of 0.044 atm at 27°C.
What will be the short-run equilibrium price of street art : Kate is one of 60 price-taking street artist. she and other street artist each produce their artwork with total costs given by SRTC = 3q^2 where q is the armound produced by each artist. the demand for such artwork is given by Q = 600 - 10P.
Compute the apparent percent dissociation of x2y : The compound X2Y is only partially dissociated in water solution to form X and Y2- ions. A 0.0100 m solution is found to freeze at -0.040°C. Calculate the apparent percent dissociation of X2Y. Kf for water = 1.86°C/m.

Reviews

Write a Review

Chemistry Questions & Answers

  Compute the concentrations of each species at equilibrium

25 mL of 0.100 M AgNO3 are mixed with 35 mL of 0.0500 M K2CrO4. (a) Calculate the concentrations of each species at equilibrium.

  State the same reactant decomposes with a half-life

A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.389 M. The same reactant decomposes with a half-life

  What is the mass of the skier

A water skier is pulled by a net force of 135 N and has an acceleration of 1.8 m/s2. What is the mass of the skier.

  State the reaction of the strong acid and base

How will you find the equilibrium contant between the reaction of the strong acid and base? Help please

  How many liters of oxygen would be needed

At constant temperature and pressure, how many liters of oxygen would be needed to completely combust 0.350 L of propane?

  How many milliliters of hno3 would you add

How many milliliters of 6 M HNO3 would you add to 300 mL of the buffers solution to change the pH from 5.09 to 5.03?

  What is the hcl concentration

What is the HCl concentration if 69.7 mL of 0.350 M NaOH is required to titrate a 30.0 mL sample of the acid?

  What is the empirical formula of the compound

A certain organic compound was burned, producing 1.481 g of CO2 and 0.303 g of H2O. The mass of the original sample was 0.438 g. What is the empirical formula of the compound?

  How many pills does the patient need to take

A patient needs to take 625 mg of ibuprofen twice daily. The pills in the bottle are each 250. mg. How many pills does the patient need to take each time she wants the 625 mg dosage? Assume that these pills are scored and can be cut in half if ne..

  What mass of chlorine is contained in zncl2

Zinc chloride (ZnCl2) is 52.02% chlorine by mass. What mass of chlorine is contained in 66.0 g of ZnCl2?

  Determine the number of ammonia molecules

Determine the number of ammonia molecules in 4.85g of ammonia (NA= 6.022 x 1023 mol-1).

  Alcualte the hardness of the water in ppm

5.00 mL of water sample was titrated for hardness with 4.15mL of 0.0200M EDTA. write the equastion for the reaction and calcualte the hardness of the water in ppm

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