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The total stopping distance for a car traveling at a speed of 30 m/sec is 65 m, including a reaction time of 0.5 sec during which the car travels at constant speed before braking.
a) Draw a motion diagram for the problem.
b) What is the deceleration of the car while braking?
c) What is the total stopping distance for the car if the initial speed is 40 m/sec? Assume the same reaction time and deceleration.
Calculate the mass of vapour present in a room of volume 250 meter cube that contains air at a temperature of 23 degree centigrade on a day when the relative humidity is 53%.
Problem- A vessel contains 100 lb moles of hydrocrabon gas. Calculate the standard cubic feet of gas in the vessel.
If you remove a piece of paper with a secret message written with lemon juice from a tincture iodine bath and let it dry, what will happen over a long period of time? Explain why?
What is the equilibrium constant Kc for the reaction below. Assume temperature is 25oC. (Hint, Represent the reaction below as a sum of reactions and then combine the corresponding K values to obtain Kc for the reaction below.) HF(aq) +NH3(aq) N..
At 25C the acid dissociation constant for formic acid is 6.9x10-4. Calculate DG for this reaction. R=8.31x10-3 kj/K) Can you please help me work this problem.
How would you create high temperatures in the lab when working with a micropatterned paper device that assesses liver function?
Problem- f(x)=x^4-20x^3+10finf intervals where functions is concave up or down. Identify inflection points, critical points, and local max and mins using calc
You need to produce a buffer with pH = 4.1 by dissolving a weighed amount of sodium formate (FW = 68.0072) in 500-mL of 0.45-M formic acid
The principle quantum number defines the shell (which is roughly, but not quite exactly, the row, or period, of the periodic table). Demonstrate the difference between the rows of the periodic table
A 250.0-L cylinder contains 65.0% He(g) and 35.0% Kr(g) by mass at 25.0° C and 1.35 atm total pressure. What is the partial pressure of He in this container
Calculate the percent recovery of the acetanilide produced in your experiement. How do your results compare to the maximum precent recovery
What structural information does one receive from the chemical shift of a peak and the multiplicity of a peak from a NMR spectrum of a compund
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