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Kinetics
Page 4
Questions (201)
10% of a sample reacts in 25 s. If the reaction follows first order kinetics, how long would it take for half the sample to
2 answers
asked by
mandy
637 views
A girl coasts down a hill on a sled, reaching level ground at the bottom with a speed of 6.6 m/s. The coefficient of kinetic
1 answer
asked by
luma
623 views
A tower clock has an hour hand 2.70 m long with a mass of 60.o kg, and a minute hand 4.50 m long with a mass of 100 kg.
1 answer
asked by
Anderson
623 views
Hi
I am doing a lab report for the kinetic behaviour of phenolphthalein in aqueous solutions. I did two runs, each with different
2 answers
asked by
Sara
603 views
A bullet of mass 10 g has a speed of 500 m/s. a) What is its kinetic energy? b) if it penetrates a block of wood a distance of
3 answers
asked by
Hayden
621 views
A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the elbow joint as well as other
2 answers
asked by
Morgan
603 views
A projectile (mass = 0.17 kg) is fired at and embeds itself in a target (mass = 2.84 kg). The target (with the projectile in it)
1 answer
asked by
Help
605 views
1.) At what temperature will the rate constant for the reaction H2 + I2 to 2HI have the value 5.2×10−3 M^{-1}s^{-1}? (Assume
2 answers
asked by
anonymous
588 views
The instantaneous rate of appearance of water from the reaction
4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) at some moment in time
4 answers
asked by
dude
582 views
Suppose 100 moles of a chemical is spilled into a lake. After 15.0 days, the total amount of the chemical in the lake 3.50
2 answers
asked by
danny
590 views
a stone of mass o.5 kg is dropped from a height of 5om.what is the kinetic energy of the stone just before it strikes the ground
2 answers
asked by
cathy
576 views
A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is
2 answers
asked by
KatieC
578 views
Sulphuryl chloride, SO2Cl2, decomposes according to the following first-order reaction:
SO2Cl2(g) �¨ SO2(g) + Cl2(g) At a
4 answers
asked by
matt
571 views
On a frozen pond, a 13.2 kg sled is given a kick that imparts to it an initial speed of v0 = 2.48 m/s. The coefficient of
2 answers
asked by
Joe
556 views
A hockey puck is hit on a frozen lake and starts moving with a speed of 14.4 m/s. 3.0 seconds later, its speed is 7.3 m/s.
(b)
2 answers
asked by
Anonymous
551 views
I'm supposed to calculate the rate equation, including k, for the reaction whose data is given in the table:
Experiment: 1 2 3
5 answers
asked by
SarahF275
550 views
If the reaction is zero order, how long would it take for I2 disappear?
2 answers
asked by
Henry60
509 views
The rate constant for the rxn of hydrogen reacting with iodine to form hydrogen iodide is 2.7 X 10^-4 L/mol*s at 600. K and 3.5
2 answers
asked by
Ceamus Angelina
523 views
Heyy, okay I have this chemistry assingmnet and its on kinetics, and I got every single one except this one question and I've
1 answer
asked by
Tracy
511 views
Initial[A] Initial [B] Initial Rate, M/s
.740 M .010 M 3.00e-10 .740 M .030 M 8.09e-9 .740 M .060 M 6.46e-8 .740 M .070 M 1.03e-7
2 answers
asked by
Annie
521 views
A railroad car with a mass of 1.98 ✕ 104 kg moving at 2.92 m/s joins with two railroad cars already joined together, each with
2 answers
asked by
dan
520 views
During a free kick at a soccer playoff game a 0.5 kg ball at the peak of the kick 14.7 m above the field had a kinetic energy of
2 answers
asked by
Dan
510 views
The rate constant of a reaction is 6.2 x 10^-3s-1 at 25 degrees C, and the activation energy is 33.6 KJ/mol..
What is k at 75
2 answers
asked by
ruby
516 views
2A-->B+C given that the initial concentration of A is .022M and that at 69 s, the concentration of B increases to .0095M, what
1 answer
asked by
Val
509 views
Cl2O2 (g)---> 2ClO (g)
Time [Cl2O2] (M) 0....... 6.60*10^-8 172..... 5.68*10^-8 345..... 4.89*10^-8 517..... 4.21*10^-8 690.....
2 answers
asked by
Brunette
508 views
A solid spherical ball rolls on table. Ration of its rotational kinetic energy to its total kinetic energy.
2 answers
asked by
lalit rawat
469 views
What is the order of rate = k[NO]2[Br2].
2nd order?
2 answers
asked by
Marissa
485 views
The following kinetic data were obtained for the reaction: NO2(𝑔)+O3(𝑔)→NO3(𝑔)+O2(𝑔)
Experiment: Initial [NO2](M):
2 answers
asked by
Very Confused
482 views
A car has an initial speed of 23.0 ms-1. In addition, there is also wind blowing in direction similar to the car with a force of
1 answer
asked by
aaron
468 views
My assignment sheet said to plot a KE distribution diagram where 10% of the molecules meet or exceed the Ea. I know the Ea and
3 answers
asked by
Sky
453 views
The rate constant for the following equation
is 0.00454 M−1 · s −1 . We start with 0.134 mol C2F4 in a 4 liter container,
1 answer
asked by
Anonymous
495 views
A hockey puck slides with an initial speed of 43.2 m/s on a large frozen lake. If the coefficient of kinetic friction between
1 answer
asked by
Anon
474 views
Traveling at a speed of 12.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The
1 answer
asked by
Sara
459 views
A 30-caliber rifle with a mass of 3.54 kg fires a 7.33- g bullet with a speed of 596 m/s with respect to the ground. What
1 answer
asked by
Ann
446 views
A railroad car with a mass of 1.91 multiplied by 104 kg moving at 2.86 m/s joins with two railroad cars already joined together,
3 answers
asked by
Miranda
459 views
Mrs. jacobs drops an object from 10 meters, she knows it did 47 joules or work what is the mass of the object?
1 answer
asked by
Anonymous
439 views
The catalysed decomposition of H2O2 in aqueous solution is followed by titrating equal volume of sample solutions with KMnO4
1 answer
asked by
Anonymous
446 views
What is the value of the rate constant for a reaction in which 75.0 percent of the compound in a given sample decomposes in 80.0
1 answer
asked by
Bryan
451 views
A solution of a drug was freshly prepared at a concentration of 225 ug/mL. After 15 days in solution, the drug concentration in
1 answer
asked by
Lauren
448 views
follows first-order kinetics and has an activation energy of 244 kJ mol-1. At 684 K, k = 0.00000508 s-1. What is the half-life
1 answer
asked by
bobjahng2
446 views
No its not a typo but I did put the wrong activation energy. Its suppose to be a certain reaction has an activation energy of
1 answer
asked by
Josh
444 views
A 7.00 kg cannonball is traveling at a velocity of 75.0 m/s at a height of 80.0 m. What is its kinetic energy?(1 point)
1 answer
asked by
clay
37 views
What is the kinetic energy of a baseball moving at a speed of 40m/s if the baseball has a mass of 0.15 kg?
1 answer
asked anonymously
18 views
How many of these are examples of collisions, assuming they occur over a short period of time?
A giraffe chewing a leaf A dog
1 answer
asked anonymously
27 views
A skydiver jumps out of a plane and begins to accelerate. His speed increases to 20 m/s, then 30 m/s. His acceleration slows
1 answer
asked by
A n I m e*
91 views
How do we calculate The kinetic energy of a particle of a mass "M" which has linear momentum "P" maybe given by.
1 answer
asked anonymously
10 views
Nan’s suitcase is on a bench. The suitcase has a mass of 14 kilograms. Nan accidentally knocks the suitcase off the bench, and
1 answer
asked anonymously
26 views
A person throws a ball up into the air, and the ball falls back toward Earth. At which point would the kinetic energy be the
1 answer
asked by
brielle jones
32 views
A football player has a mass of 110 kg. He is running at a speed of 16 mph, equivalent to 7.2 m/s. What is his kinetic energy
1 answer
asked anonymously
25 views
The half life of a pollutant is 0.29 per year. If the decomposition of the pollutant in water is 15°C follows a first order
1 answer
asked by
Wesley
42 views
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Parent Categories (11)
Acetylcholinesterase
Calculations
Chemical Reactions
Chemistry
Enzymes
Mechanics
Physical Science
Physics
Rate Law
Rate of reaction
States of Matter/Properties of Substances