Friday
July 25, 2014

Posts by keely


Total # Posts: 17

pre ap physics
A) A small cork with an excess charge of +9.0x10^-6 is placed 0.13 m from another cork, which carries a charge of −3.2x10^-6. What is the magnitude of the electric force between the corks? The Coulomb constant is 8.98755 × 10^9 N • m^2/C^2. Answer in units of ...

pre ap physics
a car with amass of 1120 kg starts from rest and accelerates to the speed of 17.5 m/s in 18.8 s. assume that the force of resistance remains constant at 402.5 N during this time. what is the average power developed by the car's engine? answer in units of W can you please e...

physics
In what two situations will a car have balanced force?

government
tell people

6th grade
because of the force caused by you bouncing it

6th grade pre-ap LA
i would just put dear sir or maam or to whom it may concern

6th grade
generate is when you or something gives off some thing such as the fire genirated heat

6th grade Science
i think a greiger counter

calculus
oh you add the exponents I multipied, Thanks

chemistry
A solution contains 4.44% by mass of NaI in water. Calculate the molarity of the NaI, if the density of the solution is 1.2711 g mL-1. i got the answer to be 8.48 M... the percent mass is irrelevant information, right? i figured out the answer just by the given density alone.

CHEMISTRY REPOST
thanks a lot guys, i got it!!! :)

CHEMISTRY REPOST
Calculate the concentration, in percent by mass, of a refrigerant brine solution which is 4.03 M in NaCl with a density of 1.116 g mL-1. detailed answer, please, i dont understand how to do this at all!!!

chemistry repost!!
wow thanks! its so very clear!

chemistry repost!!
The mole fraction of acetic acid (CH3COOH) in an aqueous solution is 0.675. Calculate the molarity of the acetic acid, if the density of the solution is 1.0266 g mL-1.

chemistry
The mole fraction of acetic acid (CH3COOH) in an aqueous solution is 0.675. Calculate the molarity of the acetic acid, if the density of the solution is 1.0266 g mL-1.

chemistry
Calculate the concentration, in percent by mass, of a refrigerant brine solution which is 4.03 M in NaCl with a density of 1.116 g mL-1.

physics
6.50/2, times by 22.92.

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