dianaaivanov

since: 2017-05-03 12:30:12

Age: 37

About myself:

Profiles:

Asked questions: 7

Gave the right answers: 3

Points: 272

Best answer: 2

Questions

question

Chemistry, 13.09.2019 20:30

The total pressure of a mixture of oxygen and hydrogen is1.00atm. the mixture is ignited and the water is removed. theremaining gas is pur...

question

Chemistry, 13.09.2019 20:30

Calculate the radiant flux of parallel plates having the emissivities, & =0.92 and < =0.86 and temperatures of t, - 127*c and tz- 77*c. a) 688w...

question

Chemistry, 13.09.2019 20:30

The rate of reaction at 550 k is ten times faster than the rate of reaction at 440 k. find the activation energy from the collision theory. a) 40075.1...

question

Physics, 13.09.2019 20:30

What fraction of all the electrons in a 25 mg water dropletmust be removed in order to obtain a net charge of 40 nc?...

question

Chemistry, 13.09.2019 20:30

Consider a plug flow reactor of volume 1 m which gives an aqueous feed rate of 5 lit/sec the kinetics of the reaction a ris represented as, -=(0.6 min...

question

Physics, 13.09.2019 20:30

Two point charges of -7uc and 4uc are a distance of 20 cmapart. how much work does it take to move these charges outto a separation of 90...

question

Chemistry, 13.09.2019 20:30

The bottom face of a horizontal slab of thickness 6 mm is maintained at 300°c. the top face is exposed to a flowing gas at 30°c. the thermal conductio...

question

Biology, 13.09.2019 20:30

How are restriction enzymes and ligase used in biotechnology? a. restriction enzymes cut dna at specific locations, producing ends that can be...

question

Chemistry, 13.09.2019 20:30

The volume of a liquid is increased isothermally. the molar volume of the liquid decreases from 30.25x10 m /mol to 20.52x10m /mol during this process....

question

Chemistry, 13.09.2019 20:30

Athermopane window consists of two sheets of glass each 10 mm thick, separated by a layer of stagnant air 6 mm thick. find the percentage reduction in...

question

Mathematics, 13.09.2019 20:30

In a certain region of the country it is known from pastexperience that theprobability of selecting an adult over 40 yearsof age with canc...

question

Chemistry, 13.09.2019 20:30

10 kg of saturated solution of a highly soluble component a at 80°c is cooled to 30°c calculate the amount of an-hydrous crystals are coming out of th...

question

Biology, 13.09.2019 20:30

How did taq dna polymerase acquire its name?...

question

Chemistry, 13.09.2019 20:30

At 300k and at a total pressure of 35.5 kpa, the composition of the system ethanol (1) and toluene (2) at equilibrium is x, = 0.35 and y, = 0.78.the s...

question

Mathematics, 13.09.2019 20:30

How many possible ways are there to fill in answers to a quizwith five multiple choice questions when the choices are a, b, andc?...

question

Chemistry, 13.09.2019 20:30

The value of ultimate period of oscillation is 5 min/cycle. the value of k, is 3. calculate the correct set of tuning parameters for pid controller us...

question

Engineering, 13.09.2019 20:30

Bar ab rotates uniformly about the fixed pin a with a constant angular velocity omega. determine the velocity and acceleration of block c at the insta...

question

Chemistry, 13.09.2019 20:30

An insoluble wet granular material of 0.3m x 0.2m with 22mm thick is hold vertically. heat transfe from an air stream flowing perpendicular to the sur...

question

Chemistry, 13.09.2019 20:30

Calculate the pressure drop over a 100m length due to friction when a slurry made from 1.0-mm silica particles is pumped through a horizontal 6-cm dia...

question

Biology, 13.09.2019 20:30

How are old blood cells removed from the circulation? how are the various components of the red blood cell disposed of?...