Posts by Meaghan

Total # Posts: 16

Chemistry
calculate the % dissociation of a 0.750M acetic acid solution and 0.50 M sodium acetate solution. I got the % for acetic acid to be 0.48% but cant finish the question.

Math
In the US, there is a .9 probability that a dollar bill is tainted with traces with drugs. If we randomly select 6 bills, what is the probability that 0 will be tainted? I got .0657 using my calculator

physics
A student is skateboarding down a ramp that is 7.06 m long and inclined at 29.0° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 4.03 m/s. Neglect friction and find the speed at the bottom of the ramp.

Chem
If you take a 15.0-mL portion of the stock solution and dilute it to a total volume of 0.700L , what will be the concentration of the final solution?

Elements of University Composition and Communicati
Each of the following sentences has one grammatical error. The errors are in one of the following four categories: subject–verb agreement, run-on sentence, verb form and tense, or sentence fragment. Read each of the sentences and write the type of error in the column ...

Trigonometry
How do I find the radius of a circle that contains the point (12,15)

Chemistry
What is the pressure of the gas if 0.145 mol occupies 227 mL at 35°C?

algebra 1
Do the data points (2,9), (-4,8), and (7,3) show a direct variation?

Chemistry
CaCl2(aq)+ Cs3PO4(aq) ---> Complete the reaction and classify as precipitation or acid/base. Net ionic equation as well. I believe this is a precipitation reaction since there is no H. Believe the products may be CaPO4 and Cs3Cl2? Can someone help explain this to me, having...

Design
i meant silver*

Design
How does the production of brass and siver affect the environment?

Algebra: 8th Grade; Equation Check
I don't get number 3 and I am sorry, but I made a typo. The freight train travels at 64 km/h. If the passenger train takes 2 hours LESS time than it takes the Freight train to make the trip from Central Park to Clear Creek. how is the equation: D/63 = D/96 + 2 make sense. ...

Algebra: 8th Grade; Equation Check
1) A private airplane leaves an airport and flies due south at 192 km/h. Two hours later a jet leaves at the same airport and flies due south at 960 km/h. When will the jet overtake the plane? t = time Equation: 192(t+3) = 960 2)An airplane flew for 4 hours with a 20-km/h tail...

geography
thanks so much that really helped me out!

geography
Compare and contrast the terms natural increase and fertility rate.

math[fractions]
It is n inproper fraction, so you divid 9 from 46, right?