Explain how many molecules of o2 gas were produced

Assignment Help Chemistry

Reference no: EM13553854

A sample of potassium nitrate is collected in a 1500 mL flask. The pressure of the gas in the flask is 2.2 atm and the temperature is recorded to be 346.7K. How many molecules of O2 gas were produced? R=0.0821 atm L/mol K, K = 8.315 J/mol K, NA= 6.022 x1023 molecules/mol, k= 1.381 x 10-23 J/K, 1000.0 mL = 1.0 L. (Points : 20)

A) 6.892 x 1020 molecules

B) 6.022 x 1023 molecules

C) 3.473 x 1021 molecules

D) 5.182 x 1022 molecules

E) 1.234 x 1024 molecules

Reference no: EM13553854

Questions Cloud

What is the tension in the line : An empty rubber balloon has a mass of .0120kg. The balloon isfilled with heliumat a density of .181 kg/m^3. At this density theballoon is spherical with a radius of .5m. If the filled balloon isfastened to a vertical line, what is the tension in t..

Explain how many electrons can be removed from element : How many electrons can be removed from element 69 before it is reduced to its core electron configuration? For the purposes of this question, the core electron configuration is the configuration of the next lightest rare gas atom.

Estimate the minimum uncertainty in the speed of electron : An electron is measured to be within 1.0 um of a certain pont. Find the minimum uncertainty in the speed of the electron

Estimate how much of the height of the cylinder is in oil : A solid cylinder ABCD (radius: 0.150 m, height: 0.120 m) has the mass of 7.00 kg. How much of the height of the cylinder is in the oil

Explain how many molecules of o2 gas were produced : A sample of potassium nitrate is collected in a 1500 mL flask. The pressure of the gas in the flask is 2.2 atm and the temperature is recorded to be 346.7K. How many molecules of O2 gas were produced

Find the tension in therope : A 209-kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at 31.0° with respect to the horizontal.

What is the thickness of this glass : Two narrow slits 3 mm apart are illuminated with light from a sodium lamp (lamda = 589 nm), What is the thickness of this glass

Determinethe coefficient of kinetic friction : A 16.1-kg sled is being pulled across a horizontal surface at aconstant velocity. The pulling force has a magnitude of 77.5 N andis directed at an angle of 29 ° above the horizontal. Determinethe coefficient of kinetic friction.

Explain what is the predicted density of solid argon : Below 84 K, argon also freezes to a solid that has a similar structure but different volume and mass. If the volume of each unit cell in argon is 82 percent of the xenon unit cell, what is the predicted density of solid argon

User Account

All Pages