Calculate the mole fractions
Given % composition of air: N2 78.09%,O2 20.94%, Ar 0.93%
a) Calculate the # of molecules of N2, ofO2, and of Ar in 1.00 L of air at 21 ºC and 1.00atm.
b) Calculate the mole fractions of N2,O2, and Ar in the air.
Expected delivery within 24 Hours
When rolling a fair die 195 times, what is the probability of rolling a 6 greater than 25 times? Show how to get the answer using a Ti-84 calculator please, step by step.
To a sol containing 2.00g of CaCl2 & RbCl we add an excess of AgNO3 to form 3.45 gof AgCl(s) precipitate. What is the % of RbCl in theoriginal mixture.
Air at 5 bar and 177?C (State 1) is expanded through a turbine to 1 bar and 27oC (State2). Find the total rate of entropy generation (kW/K) for turbine and its surroundings.
A charge of -4.00 nC and a charge of -5.35 nC are separated by a distance of 40.0 cm. Find the position at which a third charge of +7.80 nC can be placed so that the net electrostatic force on it is zero.
Calculate the # of molecules of N2, ofO2, and of Ar in 1.00 L of air at 21 ºC and 1.00atm. Calculate the mole fractions of N2,O2, and Ar in the air.
The mass flow rate is 11.9 kg/s. Neglecting potential energy effects, determine the power developed by the turbine, in kW.
Two point charges lie along the y-axis. A charge of q1 = -8.5 μC is at y = 6.0 m, and a charge of q2 = -7.5 μC is at y = -4.0 m. Locate the point (other than infinity) at which the total electric field is zero.
Suppose that the probability of a baseball player getting a hit in at bat is 0.2807. If the player has 38 at-bats during a week, what's the probability that he gets greater than 9 hits?
Firstly, In order to perturb the structure of protein J,you can make any substitution you wish for aa21 ( the 21st aminoacid residue from the NH2 terminal), which is Lys.
1938586
Questions Asked
3,689
Active Tutors
1428962
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
Read "The Effect of Tart Cherry Juice Compared to a Sports Drink and Cycling Exercise Performance, Substrate Metabolism, and Recovery" from University Library
Identify and analyze one resource that provides information regarding services for dealing with and treating substance use and abuse in youth or adolescence.
Discuss how culture may influence one's perceptions. Provide an example of how culture may impact the interaction between a patient/client
Write an essay describing your achievement of a goal and your friends or family member's achievement of a goal using motivational theory
Pets can have a therapeutic effect on people; they seem to have the power to calm the anxious and cheer the depressed. Give three reasons
Review Chapter 12 and consider how your culture has impacted your worldview and personality. Pay particular attention to the section on characteristics of Cult