Can someone please check my work and answers on these two titration problems?

1.)  If 16.45 mL of 0.135 M nitric acid neutralizes 26.0 mL of ammonium hydroxide, what is the molarity of the base? HNO3(aq) + NH4OH(aq) --> NH4NO3(aq) + H2O(l) I used stoichiometry to find... more

12/06/12

2n^2(8)^3 Please Help!!!

Simplify. Express using exponents.

12/06/12

(2h)^7(7h)

Simplify. Express using exponents.

write an equation for a quadratic function with a graph that has its vertex ay (-5,7)

write an equation for a quadratic function with a graph that has its vertex ay (-5,7)

12/06/12

factored form of y=(x-1)^2-4

factored form of y=(x-1)^2-4   also standard form of the same equation 

Summation Convergency tests by 3-condition test

For each of the following series, tell whether or not you can apply the 3-condition test (i.e. the alternating series test). If you can apply this test, enter D if the series diverges, or C if the... more

12/06/12

Summation of a?n from n=1 to infinity=1-1/10+1/100-1/1000.......

For the following alternating series, Σ an = 1-1/10+1/100-1/1000+1/10000 ....... ^(from n=1 to infinity) how many terms do you have to go for your approximation (your partial sum) to be within... more

12/06/12

Either Allison and Betsy come to school , or , if Chloe comes to school , then Daisy comes to school (a,b,c,d)

Symbolic Logic , translate single statements, whole arguments, and to use the comparative method to determine validity or invalidity. I have to symbolize these statements by using the Letters... more

12/06/12

5 underscored 2 =

5 2=?  

12/06/12

summation of ((8^n)(x^n)(n+1))/(n+2) from n=1 to infinity

Find all the values of x such that the given series would converge. The Above Equation The series is convergentfrom = ? , left end included (enter Y or N): ?to = ? , right end included (enter Y... more

12/06/12

how can you simplify (n^10)/((n+1)^10)?

This is coming from the original question of : Find all the values of x such that the given series would converge. summation of ((11x)^n)/(n^10) from n=1 to infinity The series is convergentfrom... more

12/05/12

[A . (R v S)] > [L v (E > M)]

 Name the valid argument form used in each case.

12/05/12

If Abe comes to the party, then Bill comes to the party; and if Bill comes to the party, then Carol comes to the party. (A, B, C)

Symbolic Logic , translate single statements, whole arguments, and to use the comparative method to determine validity or invalidity. I have to symbolize these statements by using the Letters... more

linear systems and problem solving

you designed one row in your garden to broccoli and pea plants. Each broccoli plant needs 12 inches of space and each pea plant needs 6 inches of space. The row is 10 feet (120 inches) long. If you... more

3x^2+4x-6=0

complete the square

12/05/12

4/3 = x + 1/3

I really need help

12/05/12

(3,y)(1,9)

help   in my math homework thank you very much !

12/05/12

(3,y)(1,9)

help me in my math hw plese htanks

12/05/12

Find the square of the length of the diagonal of a square whose area is 16 cm2

HELP I really need help on this right away for a quiz I am taking! HELP PLEASE

12/05/12

if i have a problem 3x+14=3x it would solve to be 0=14?

algibra 9th grade

12/05/12

2/9n-5=2+5/9n

i dunno how to do it! :o

12/05/12

how many electrons does aluminum have?

i need ti know how many electrons aluminum have

12/05/12

If i have 3x- 3x do i get x or does it cancel out

algibra 9th grade

7/10+ 5/10=

bimproper fraction to a mixed number and simplify  

(-1)-(-5)=?

What is negative 1 minus negative 5?

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