Questions and answers by

bobjahng2

Questions (12)

5525Mn can be prepared by electron capture from: (a) 55/24Cr (b) 55/26Fe (c) 56/25Mn (d) 51/23V (e) 56/26Fe
1. 2 answers
2. 687 views
The velocity of a particle constrained to move along the x-axis as a function of time t is given by:v(t)=-(15/t_0) sin(t/t_0).
1. 3 answers
2. 2,918 views
A laboratory centrifuge on earth makes n rpm (rev/min) and produces an acceleration of 3.30 g at its outer end.This centrifuge
1. 1 answer
2. 709 views
The given reaction,cyclopropane propene (isomerization), follows first-order kinetics. The half-live was found to be 4.57 min at
1. 1 answer
2. 842 views
The reaction,cyclopropane propene (isomerization), was observed to have rate constants k = 0.000213 s-1 at 477 °C and k =
1. 4 answers
2. 665 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. 1 answer
2. 515 views
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your
1. 1 answer
2. 839 views
How far from the origin is the puck after 5 seconds (m)?Since I cant post internet sites, The vx graph starts at the origin and
1. 0 answers
2. 792 views
In the latest Indian Jones film, Indy is supposed to throw a grenade from his car, which is going 79.0 km/h, to his enemy's car,
1. 3 answers
2. 1,661 views
Consider a 20.0mL sample of 0.105M HC2H3O2 is titrated with 0.125M NaOH.Ka=1.8x10^-5. Determine each of the following: a) the
1. 7 answers
2. 1,962 views
A projectile is launched from ground level to the top of a cliff which is 195 m away and 135 m high.If the projectile lands on
1. 1 answer
2. 5,487 views
A projectile is launched from ground level to the top of a cliff which is 195 m away and 135 m high.If the projectile lands on
1. 0 answers
2. 1,146 views