What is the percentage excess air used

Assignment Help Chemistry
Reference no: EM1394757

When pure carbon is burnt in air oxidized to CO and CO2.if the molar ratio of CO to CO2 is 2 and the molar ratio of N2 to O2 is 7.18 then what is the percentage excess air used?

Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .

Reference no: EM1394757

Questions Cloud

Running a chi-squared test : You are running a chi-squared test. If you have 5 groups with 3 characteristics each, what would your critical value be with an alpha of .25? a . Between 0 and 3.0
Estimating the true population mean : When determining the sample size necessary for estimating the true population mean, which factor is not considered when sampling with replacement
What is the solubility product : What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
Determine properties of the liquid bilayer : For which molecules and ions does your experiment give evidence for passage through the semipermeable dialysos membrane? in which direction(into or out of the bag) are the molecules moving?
What is the percentage excess air used : Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
Sampling distribution of sample mean-standard deviation : The mean weight of loads of coal placed in train cars by a loading machine is 43.0 tons with a standard deviation of 8.0 tons. Assuming that the weight of loads placed in the train cars by this loader are normally distributed
Correct description for empirical rule : A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical. Which of the following statements is ..
Compute the effective charges on the o and h atoms : The bond distance and dipole moment calculated for the highly reactive gas phase OH molecule are 0.98Ao and 1.78D, respectively. Compute the effective charges on the O and H atoms of the OH molecule (in units of the electronic charges).
Estimation of mean for elephants : In a study of elephants a researcher wishes to determine the average weight of a certain subspecies of elephants. From previous studies, the standard deviation of the weights of elephants in this subspecies is known to be 1500 pounds.

Reviews

Write a Review

Chemistry Questions & Answers

  Find the concentration and ph solution

Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?

  Determine the partial pressure

Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.

  How the equilibrium of the following reactions

Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium -  Predict how the equilibrium of the following reactions will be affected by the changes listed.

  Molecular formula of a compound

Molecular formula of a compound and Deduce from these data the corresponding equation and write formulas for the oxide and sulfate of M .

  Find the contact time for inactivating gardia cysts

Find the contact time for inactivating Gardia cysts - How much contact time would be required for inactivating Gardia   cysts

  Calculate how many ml of the hcl solution

Calculate How many mL of the HCl solution was required for the titration.

  Ultramarine composition

Sodium Bisulfite UseThe non-shrinking, non-warping nature of ultramarine blue, along with its exceptional heat and light stability has led to the development of a range of high quality ultramarine blue pigments specifically for masterbatchs applicati..

  Find the lowest temperature of vaporization

Find the lowest temperature of vaporization and the highest temperature when there is liquid left over and Determine the range of temperatures which could be used for this process.

  Compute the effective charges on the o and h atoms

The bond distance and dipole moment calculated for the highly reactive gas phase OH molecule are 0.98Ao and 1.78D, respectively. Compute the effective charges on the O and H atoms of the OH molecule (in units of the electronic charges).

  Calculate the amount of sucrose

Pyridine(C5H5N) is a weaker base in H2O than 2,6 lutidine (dimethylpyridine), but we observe that the pyridine-BF3 complex is more stable than the comparable lutidine-BF3. Explain the reason for this inversion in stabilities.

  Find the partial pressure of each of these gases

Determination of the partial pressures of the gases - Find the partial pressure of each of these gases in the final product mixture.

  What is the free energy change

Multiple choice questions in free energy change and What is the free energy change in kJ/mole?

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