Tuesday
July 29, 2014

Posts by Jamie


Total # Posts: 753

Chemistry
How do I do this?? Calculate the pH at the equivalence point for the titration of 0.20 M aniline (C6H5NH2, Kb = 3.8 x 10-10) with 0.20 M HCl. [Hint: remember the dilution factor caused by addition of titrant to the aniline solution.]

physics
At her wedding, Jennifer lines up all the single females in a straight line away from her in preperation for the tossing of the bridal bouquet. She stands Kelly at 1.0 m, Kendra at 1.5 m, Mary at 2.0 m, Kristen at 2.5 m, and Lauren at 3.0 m. Jennifer turns around and tosses th...

accounting
I was given gross accounts receivable $15,200,000 and $17,600,000 respectively; allowance for uncollectible accounts at the begining and end of the year $1,400,000 and $1,550,000; expense for estimated uncollectible accouts $750,00 which was 1% of sales; no recoveries of accou...

Science
If you tested bleach with an indicator, it would be a BASE with a high pH, because it is a very strong cleaning product.

Science
If you tested bleach with an indicator, it would be a BASE with a high pH, because it is a very strong cleaning product.

physics
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.2 m/s at ground level. Its engines then fire and it accelerates upward at 4.20 m/s2 until it reaches an altitude of 960 m. At that point its engines fail, and the rocket goes into ...

physics
An inquisitive physics student and mountain climber climbs a 50.0 m cliff that overhangs a calm pool of water. He throws two stones vertically downward, 1.00 s apart, and observes that they cause a single splash. The first stone has an initial speed of 2.08 m/s downward. (a) H...

physics
Nevermind! I got it: (a) What is the speed of the ball at the bottom of the first plane? v2 = vi2 + 2 a (x - xi) (b) How long doe is take to roll down the first plane? v = vi + a t (c) What is the acceleration along the second plane? v2 = vi2 + 2 a (x - xi) (d) What is the bal...

physics
A ball starts from rest and accelerates at 0.520 m/s2 while moving down an inclined plane 9.65 m long. When it reaches the bottom, the ball rolls up another plane, where, after moving 14.40 m, it comes to rest. (a) What is the speed of the ball at the bottom of the first plane...

Literature
Can anyone PLEASE find me a short summary of these poems? the forsaken merman-matthew arnold the portrait- robert browning

Chemistry
Two successive reactions, D-->E and E-->F, have yields of 48% and 73%, respectively, What is the overall percent yield for conversation of D to F?

Chemistry
Two successive reactions, D-->E and E-->F, have yields of 48% and 73%, respectively, What is the overall percent yield for conversation of D to F?

Chemistry
Would the balanced equation for this be: B2H6(g)+ 3H2O(l)--> 2H3BO3(s)+ 3H2O(g)

Chemistry
Would the balanced equation for this be: B2H6(g)+ 3H2O(l)--> 2H3BO3(s)+ 3H2O(g)

MATH
EVALUATW (-8B)^2 AND -8B^2 WHEN B=10. (-8B^2)= -8B^2= SOLVE USING THE ADDITION PRINCIPLE. 3.8=S=0.1. THE SOLUTION IS S= THANK YOU

MATH
Translate to an algebraic expression. The product of 21% and some number. The translation is= Type the percentage as a decimal. use d to represent some number.

Math
4/-3+(5/-12)= Simplify your answer. Type a fraction.

spanish 2
*Estamos en Philadelphiao *No estamos listos. *Como esta usted?

Physics
A ball travels at 59.78 m/s for a distance of 16.45768956 meters, then decelerates at -89.67 m/s2 until is reaches a velocity of -89.67 m/s, then accelerates at 59.78 m/s2 until it reaches a velocity of 16.45758956 m/s, as shown in the graph to the right. What's the averag...

socio
i'm talking about disparities like african americans having higher rates of hypertension or infant mortality or homicide

socio
what are the consequences of health disparities on everyone

elementary
What is the rule in math?

Math
[6x + 5]/3 = 3x/7 - 2 Please help.

math
Wait, I forgot / means division, I thought you needed to fill in the correct symbol

math
All you have to do on those problems is put an operation symbol in place of the / and see if it works

english
Thank you!

english
Analogies: 1) Worthwhile : Valuable :: A) Worthless : priceless B) Beneficial : Worthy *I think it's A* 2) Store : Supply :: A) Department : section B) Provision : dispensary C) Keep : Distribute D) Stockpile : Reserve *I have no idea what this one is*

3rd grade
Well, I have been out of 3rd grade for awhile, but i am in middle school:) I think Ali could use 6 hundreds, and 24 ones. Therefore turning the 2 tens into ones (2x10= 20) and adding the ones she already had (20+4=24) ~Hope I helped;)

English
Ask yourself what part of speech "two" is- both are completely different parts of speech, but one of your answers is right

Financial Math
Sales is 59250 with 100% what is cost of sales: ? with 31.97%, Gross profit : ? with ?%, Personnel Cost : 18486.00 with ?%, Expenses: ? with 10.21%, Direct Operating Profit: ? with ?% what are the values of (?)

elementary math
I say it's easier to multiply them because you keep the same denominator...i think

elementary math
I say it's easier to multiply them because you keep the same denominator...i think

physics
part b is 31.87

physics
part b is 31.87

Algebra
Limits? I don't get it?

Algebra
Determine the vertical asymptotes for the graph function: f(x) = 4/x+10 g(x) = x^4 + 2/x h(x) = x^2+4/x(x+5)(x-2) f(x) = x+5/x^2 +4x - 32

science
what are the protections that exist to safeguard and protect the galapagos islands?

Algebra
Please solve: a. 1/3 - 5/6 = 1/x b. t+1/3 - t-1/2 = 1

Science/Geology
Thank you!

Science/Geology
I feel like an idiot for even asking, however, here goes... I need to do a "graphical representation of mechanical and chemical weathering, water, wind, and ice erosion." I have read through my text numerous times and still am not sure how to do this. Does anyone kno...

Algebra
Thank you!

Algebra
I would choose B. Am I correct?

Algebra
Find the equation of the line parallel to the line 3x + y = 5 and containing the point (4, – 2).

Algebra
I did this problem, but would like to compare answers please if someone can help. Thanks! Find the equation of the line parallel to the line 3x + y = 5 and containing the point (4, – 2).

Math
Thanks! I knew I would get this stuff! Thanks for your help!

Math
Yes so my conclusion is that V(x) = x (7 – 2x)^2 is this correct?

Math
Suppose you take a piece of cardboard measuring 7 inches by 7 inches, cut out square corners with sides x inches long, and then fold up the cardboard to make an open box. Express the volume V of the box as a function of x.

Math
I figured it out. Thanks for your help!

Communications Theory
Thanks for your help!

Communications Theory
Can you give an example of "framing" from the present week's news? What words or images are used to "set" the frame?

Algebra
Given f(x)=rootsignx-2 and g(x) = x-7 what is the domain of the quotient function? A. (-infinity,2] B. )-infinity,7 U (7, infinity) C. [2,7) U (7, infinity) D. (2,infinity)

Algebra
But that is for the given line not the parallel or perpendicular one? So what I see is as follows and is correct? a. For the Parallel slope we change to the form y = mx + b, and the value of m is the slope 5x - 2y = 10 -y = -5x + 10 y = 5x - 10 the slope is 5 m = 5 Why are we ...

Algebra
So is the slope of the given line 2.5? I don't need to know that, but just wanted to make sure. Thanks!

Algebra
Given line = 5x – 2y = 10 Find the slope for a line parallel to the given line Find the slope for a line perpendicular to the given line

Algebra
Let g(x) = 10-x/2+x and then a)Find g (–1) b)State the domain of the function c))Find g (t + 1) and simplify as much as possible

science
how do fish move around

Physics
A ball is thrown vertically upward with a speed of 1.53 m/s from a point 4.21 m above the ground. Calculate the time in which the ball will reach the ground. {Distance Above Ground} = D = (4.21) + (1.53)*t + (1/2)*(-9.8)*t^2 {D = 0} ----> {Time To Reach Ground} = 1.096 sec ...

physics
A 2.7-kg box is released on a horizontal surface with an initial speed of 2.9 m/s. It moves on the surface with a deceleration of 0.27 m/s^2. Calculate the kinetic friction force on the box. I couldn't find an example of this anywhere but...is it: {Friction Force} = m*a = ...

Physics
What should be the angle between two vectors of magnitudes 3.20 and 5.70 units, so that their resultant has a magnitude of 6.10 units? Cos x = (b^2 + c^2 - a^2) / 2bc Cos x = (3.2^2 + 5.7^2 - 6.1^2) / (2 * 3.2 * 5.7) Cos x = 5.52/36.48 Cos x = 0.15 x = 81.3 degrees

chemistry concentrations
Can someone please help me with the following problem? 1.Calculate the volume of 1.88 M NaI that would be needed to precipitate all of the Hg+2 ion from 482 mL of a 1.61 M Hg(NO3)2. The equation for the reaction is thank you!

algebra
how do you multiply 4y squared and 4x squared?

high school biology
What is the relationship between codon and gene.

Pre Cal.
è is theta.

Pre Cal.
If cscè= -5/4 and 180degree < è < 270 degree, find tanè. (-3, -4) r=5 tan=y/x=-4/-3=4/3 Is this correct?

English
what does lidds stand for?

8th grade
i have this at 7th grade

Health
What cellular process involves mitosis?

Math
What is the area of a circle with a diameter of 12 ft by pi? Please help me with the formula~thanks!

Advanced Math.
List the possible rational roots of 2x^3 + 17x^2 + 23x - 42 = 0 My answer: the possible rational roots are {±1, ±2, ±3, ±6, ±7, ±14, ±21, ±42. ±1/2, ±3/2, ± 7/2, ±21/2}. Correct?

Pre-Cal.
Which of the following results in the graph of f(x)=x^2 being expanded vertically by a factor of 3 and? reflected over the x-axis? a. f(x)=1/3x^2 b. f(x)= -3x^2 c. f(x)= -1/x^2 +3 d. f(x)= -1/3 x^2

Pre-algebra
HELP!!!!!!

Pre-algebra
no like changing money wise interst to percentages.

Pre-algebra
how do you change interst to percents?

Math
How is writing a percent as a fraction like writing a decimal as a fraction?

Math
How do you change 0.8571428 to a percent?

Math
the total fare for 2 adults and 3 childrren on the Tilt a Whirl ride $14.00. If a child's fare is 1/2 of an adult's fare, what is the adult fare? we know the answer is $4 for adults and $2 for children. How do we figure this out though in 4th grade terms -no algebra ye...

Geography
My question is: How are the tribes of the Amazon and other rainforests affected by deforestation?

Math
Rate is 6% , time is 3 years, interest is $216.00, what is the principal?

12
what do you call a female bug that floats

math
Duhhh all seventh graders get this problem

math
1262.47

physics
Consider that a coin is dropped into a wishing well. You want to determine the depth of the well from the time t between releasing the coin and hearing it hit the bottom. Suppose that t=2.059 s and assume the speed of sound in air is 330 m/s. What is the depth of the well? Can...

pigskin geography
the state capitals in which a game will be played

physics
A ball of mass m = 500g moves around a vertical axis with an angular speed ù. It is attached to two strings of length: the upper a = 30 cm and the lower b = 40 cm.Both strings are taut and perpendicular to each other. Each of the strings beaks if the tension exceeds 12....

math
alright thx!

math
is the second circle twice as big? like is that how they compare?

math
How is the circumference of a circle with radius 9cm related to the circumference of a circle with diameter 9cm? i dont understand this.Help?? Thanks:)

Research Project on Computer Confidentiality
just to break up the first sentence of everyones anwers, i'm doing this too! lol it's difficult, yes, but keep going! i found a decent site on princeton.edu. type the question into bing and look at the web sites. i can't remember what the whole address is, sorry! i...

science
An object travelling in a circle is accelerating ecause it is constantly changing ____________________.

social studies
legends myths or stories passed on by word of mouth

Chemistry
Need Help with these two problems 1.One piece of copper jewelry at 111°C has exactly twice the mass of another piece, which is at 36.0°C. Both pieces are placed inside a calorimeter whose heat capacity is negligible. What is the final temperature inside t...

English
Which is the correct sentence when using verb form and verb tense? Since American Idol premiered on television, many talented contestants have appeared on the show. 8b. Since American Idol premiered on television, many talented contestants appeared on the show.

Hisotry- Dialectics
What are Hegel's, Fukuyama's, Marx's and St.Augustine's dialectics and how do they differ from each other. What are their views on the progression of humanity? I know that Hegel's view said that an thesis gave rise to an antithesis which was resolved by a t...

Math
Are there any prime numbers divisible by 2? Explain.

Chemistry
I am trying to find the ground state for, Pb2+ I went back two on the chart and came to Hg. And entered it's ground state. Why is this wrong?

Chemistry
Without referring to a periodic table, pick the electron configuration of elements with the following atomic numbers and classify the elements. (Type your answer in noble gas notation using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.) (a) 17 (b) 20 (c) 23

Chemistry
Write the ground state electron configurations of the following ions. (Type your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2. If the configuration is a noble gas, enter the noble gas in brackets, for example [Ne] for F -.) Pb2+ Au+ Mn2+

college english
not sure what to do

college english
How to correct this sentence Since 1980, the aids epidemic has continued to spread widely throughout the world.

chemistry
A 43 kg person drinks 490 g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 16% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in ascending is ...

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