Thursday
December 5, 2013

# Posts by brett

Total # Posts: 118

chemistry
A buffer solution contains 0.200 M NH3 and 0.250 M NH4Cl. What is the pH of the buffer solution after the addition of 10.0 mL of 0.100 M NaOH to 50.0 mL of the buffer? Kb for NH3 is 1.8 x 10-5.

what is 3/10 divided by 13/14

science
D is the correct answer. Convert to 10^15 and then add. Significant digits for addition key on the decimal point location, so 3.6018 x 10^15 is correct.

what is the probabilty of spinning a divisor of 12?

math
In 2000 1/3 of all births in the US were to unmarried women. IF there were 1,352,938 births to unmarried women then how many births were in 2000?

english
Is Where to? a complete sentence or a fragment?

Molarity= Moles of solute/Liters of solvent Conversions (Dimensional Analysis) You always start with whatever unit you're given and multiply that by whatever new unit you are looking for divided by the amount of old units to make one of the new units.

Geometry
Need help finding dimensions of a triangular prism. It has a volume of 900 cubic inches. Two of the dimensions are consecutive even numbers. Two of the dimensions are multiples of 5. All the dimensions are less than 16, but greater than 6. All lengths are different. The base o...

Geometry
We have a triangular prism that has the following characteristics. It has a volume of 360 cubic inches. The base of the triangle is twice the height of the triangle. The difference between the height of the prism and the height of the triangle is 4 inches. The height of the pr...

Geometry
A rectangular prism has the following characteristics. It has a volume of 71 cubic inches. The sum of the three lengths is 14. The width is 2 less than the length. The length is 5 more than the height. What are the dimensions of this rectangular prism? Need help on finding thi...

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