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Kinetics
Page 3
Questions (201)
What is the reaction rate?
1 answer
asked anonymously
9 views
My method was correct right?, sorry to post again I just wanted to double check that I had the setup right:
A 8000N car is
1 answer
asked by
Jenny
499 views
A 60-kg cheetah reaches a speed of 30m\s as it chases its prey. What is the kenetic energy of the cheetah?
12 answers
asked by
Serafina
2,467 views
A 1000 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the kinetic frictional force f_k between
3 answers
asked by
Kelsey
2,272 views
What determines an object's kinetic energy?
Responses Mass and speed Mass and speed Weight and speed Weight and speed Mass and
1 answer
asked by
bryan arnett
37 views
Find the ratio of rate diffusion of SO2,O2, CH4?
4 answers
asked by
ABC
1,573 views
A 10.0-g marble slides to the left with a velocity of magnitude 0.400 m/s on the frictionless, horizontal surface of an icy New
3 answers
asked by
Anonymous
1,578 views
The National Institute of Science and Technology (NIST) kinetics database lists the rate constant, k, of a particular gaseous
3 answers
asked by
Ann
1,446 views
The rate constant fo a particular reaction increases by a factor of 6.5 when the temperature is increased from 300.0K to 310.0K.
4 answers
asked by
Anonymous
1,440 views
A 60.0 kg person accelerates from rest to 12 m/s in 6.0 seconds. What is the person’s power?
1 answer
asked anonymously
20 views
Posted by Brunette on Sunday, October 14, 2012 at 10:42pm.
Values of the rate constant for the decomposition of N2O5 at four
4 answers
asked by
Brun
1,333 views
Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in Figure P5.64. The pulley
1 answer
asked by
megan
1,251 views
Nitric oxide reacts hydrogen to give nitrogen and water(2no+2h2_n2+2h2o).the kinetics of this rxn is explained byfollowing
2 answers
asked by
Khushi
1,239 views
The alarm at a fire station rings and a 87-kg fireman, starting from rest, slides down a pole to the floor below (a distance of
2 answers
asked by
Julius
1,238 views
At 298 K which is larger rate of effusion or rate of diffusion?
4 answers
asked by
Kanye
1,231 views
The reaction
Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and
1 answer
asked by
Brun
1,177 views
The activation energy of a certain reaction is 65.7 kJ/mol. How many times faster will the reaction occur at 51°C than at 8°C?
2 answers
asked by
Hannah
1,119 views
The reaction 2B--->C + 2D is found to be zero order when run at 990 degrees C. If it takes 3.3X110^2 s for an initial
1 answer
asked by
Lauren
1,150 views
Dinitrogen pentoxide, N2O5, decomposes by first-order kinetics with a rate constant of 0.15 s-1 at 353 K.
(a) What is the
2 answers
asked by
Sara
1,109 views
A 1,600 kg car is traveling at a speed of 12.5 m/s. What is the kinetic energy of the car?
2 answers
asked by
austin
1,074 views
The units of a rate constant for zero, first and second order reactions are given in the textbook. If the time units are
2 answers
asked by
senior pup
1,019 views
A hunter holds a 3kg rifle and fires a bullet of mass 5g with a muzzle velocity of 300m/s. What is the final kinetic energy of
3 answers
asked by
Benson mb
998 views
This problem is 1st order for half life.
How long would it take for the concentration of cyclopropane to decrease to 50% of its
2 answers
asked by
Chris
932 views
A graph of experimental data is a straight line when ln[H2] is plotted versus time. Which rate law fits the data?
A. Rate =
2 answers
asked by
evelyn
957 views
After 79 mins 20.0% of a compound has decomposed. What is the half life of this reaction assuming first-order kinetics?
2 answers
asked by
Josh
951 views
An experimental train has a mass of 1.70e4 kg and is powered across a level track by a jet engine that produces a thrust of
2 answers
asked by
Einstein
915 views
A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of
3 answers
asked by
anonymous
888 views
C2H4O(g) �¨ CH4(g) + CO(g) Find the rate law of C2H4O?
The following kinetic data were observed for the reaction at 688 K.
2 answers
asked by
Nagaa
849 views
HELP! we just started kinetics and i have no clue how to solve this problem.
For the reaction between reactants A and B below, if
1 answer
asked by
Jonathan
838 views
C2H6 --> 2CH3
at a temperature where the half-life is 21 minutes. If the initial concentration is 8.0 mM, what would the
2 answers
asked by
Rachel
804 views
power applied to a particle varies with times as p=3t^2-2t+1 Watt where t is in second. And the change in its kinetic energy b/w
2 answers
asked by
ashish
814 views
In which temperature of water did the food coloring diffuse faster?Using your knowledge of the motion of molecules, explain the
1 answer
asked by
Young Trippy Lil G
835 views
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.00 m/s. The coefficient of
1 answer
asked by
Jean
788 views
Consider the following mechanism:
STEP 1: A ---> B +C (slow) STEP 2: C+D ---> E (fast) OVERALL: A+D---> B+E Determine the rate
1 answer
asked by
Anna
717 views
How much work must be done to stop a 1200 kg car traveling at 135 km/h?
2 answers
asked by
Anonymous
707 views
A certain first order reaction has a rate constant of 3.75x10^-2 s^-1 at 25.0C. What is the value of k at 70.0C when the
2 answers
asked by
student
691 views
If the slope of line for the kinetic data shown in the graph is -0.0952 and the initial concentration of reactant is 0.25 M,
2 answers
asked by
Ramon
726 views
the activation energy for the decomposition of HI(g) to H2(g) and I2(g) is 186kj/mol. the rate constant at 555k is 3.42 x 10^-7
2 answers
asked by
Jack
717 views
For chem we did a kinetics lab based on the rate of reaction of peroxydisulfate ion with iodide ion.
I'm supposed to find the
4 answers
asked by
Anonymous
698 views
A body of mass 12kg is acted upon by a constant force on 12N for 6secs. Calculate the kinetic energy gained by the body.
2 answers
asked by
Ginika
734 views
A 59.5 kg person, running horizontally with a velocity of +3.90 m/s, jumps onto a 12.2 kg sled that is initially at rest.
(a)
1 answer
asked by
Mary
696 views
Question: the rate constant for the second order decomposition of NOBr(g) is .800 1 divided by MS at 10 degree's C. Suppose a
1 answer
asked by
Eliz
693 views
an object is thrown upward with an initial velocity 'u' m/s. derive an expression for the height 'h' at which its kinetic energy
2 answers
asked by
Annointed Jesu
674 views
Consider the following reaction:
CH3X + Y --> CH3Y + X At 25ºC, the following two experiments were run, yielding the following
1 answer
asked by
Mariel
685 views
using kinetics explain:
a.the increasing of concentration of reactants increases the rate of reaction. b.the addition of a
4 answers
asked by
Chuck
694 views
A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in
2 answers
asked by
jonathan
686 views
A 9.0 kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 12.0 m/s,
3 answers
asked by
Anonymous
668 views
consider the following reaction CH3X + Y---> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the
3 answers
asked by
timathy
669 views
(1 pt) An aricraft carrier has a mass of 8.9 x10^7kg and can cruise at 55 km/h.
a) What is the work required to stop it? J b)
7 answers
asked by
applebottom
649 views
A boa box of mass 10kg is pulled along a rough floor with a force of 100N. the frictional force acting on the box is a constant
2 answers
asked by
Rochelle
652 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