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Determine the pressure in atm exerted by 1 mole of methane in a 2.44mL bulb at 25°c using vanderwaals equations

A box of miniature cars contains 5 red cars, 7 blue cars, and 6 black cars. Two cars are drawn, but the first car drawn is not replaced. What is the probability of getting a red car on the first draw and a blue car on the second draw?


Write a paragraph explaining the atomic theory

How many grams of NaBr (molar mass = 102.9 g/mol) would be needed to prepare 700 ml of 0.230 M NaBr solution? 


Ammonia is an important industrial raw material that is produced industrially by the Haber process according to this equation: N2+3H2 -> 2NH3. How many moles of NH3 can be formed from 250moles of N2 and 600 moles of H2? (N=14, H=1).


Deadline for assignment: 07/04/2022 (12pm)

1.0 moles of potassium fluoride are dissolved to make 0.10 L of solution, what is the molarity of the solution?



How many moles of FeCl2 are produced when 16 grams of Fe reacts with HCl?

A cardinal flies east for 2.9 s in a horizontal plane

for a distance of 22 m from a fence post to a bush.

It then flies north another 11 m to a bird feeder

for 1.5 s. T/I

(a) Calculate the total distance travelled.

(b) Calculate the cardinal’s average speed.

(c) Calculate the cardinal’s average velocity.


Calculate the gross calorific value of coal


having the following composition: C= 80%, H = 85-10-3%, N=1% and ash = 7% using Dulong's formula



How many moles of watr

gas?

are needed to produce 5.00 x1022 molecules of hydrogen


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