Tuesday
December 10, 2013

# Posts by j

Total # Posts: 652

CHEMISTRY
HOW MANY GRAMS OF CALCIUM IS 3.08 MOL OF Ca?

CHEMISTRY
HOW MANY MOLES OF CALCIUM IS 139g OF Ca?

CHEMISTRY
HOW MANY ATOMS 0.151 MOL OF LITHIUM?

CHEMISTRY
HOW MANY MOLES OF LITHIUM IS 2.69XE9

geometry
Given x is the midpoint of yz. given xy =6x+4 and yz=40, fing the value of x

Geometry
Given x is the midpoint of yz. given xy =6x+4 and yz=40, fing the value of x

chemistry
If after precipitation of the Group I cations as chlorides by the reaction with HCl, nearly all of the precipitate dissolves in the hot water, what ion is most probably present and which ions are most probably absent?

physics
the motion of a particle along a straight line is described by the function x=(2t-3)^2 where x is in metres and t is in seconds. A)find the position ,veocity and acceleration at t=2 sec. B) find the velocity of the particle at origin.

Physics
Find the forces exerted by the two supports of a 4.0m, 50-kg diving board when a 60-kg woman stands at its end. The two supports are 0.8m apart. This time consider the mass of the diving board.

physics
A car starts from rest and travels for 6.3 s with a uniform acceleration of 2.3 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.9 m/s2. If the brakes are applied for 2.6 s, how fast is the car going at the end of the braking period?

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