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.

User Account

All Pages