Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 1,398

**Chemistry**

Could someone tell me how I would write out trimethylammonium butanoate's structure? I think the butanoate part is CH3CH2CH2-C=O but I don't know how to add the trimethylammonium part to it.

**trig**

how do i find the amplitude, period, phase shift of y=2 cos(-4t-(-4 pi/3))

**chemistry**

1.5 x 10(10) mL

**windows XP**

On a shared folder, Read permission allows a user to display folder names, filenames, file data, and attributes; run program files; and change folders within the shared folder. True or false?

**computer science **

a bank charges $10 per month plus the following check fees for a commercial checking account: $.10 each for fewer than 20 checks $.08 each for 20-39 checks $.06 each for 40-59 checks &.04 each for 60 or more checks write a program that asks for the number of checks written dur...

**computer science **

write a program that asks for the starting time and minutes of the call, and displays the charges. the program should ask for the time to be entered as a floating-point number in the form HH.MM. for example, 07:00 hours will be entered as 07.00, and 16:28 hours will be entered...

**college chem**

. Jack Daniels Tennessee whiskey is 40.00% ethanol by volume. However, % alcohol by mass is quite different from % by volume. The molality of ethanol in an aqueous solution that is 40.00 % ethanol by volume is 10.88 molal. A) Find the % ethanol by MASS, based on the molality. ...

**college chem**

N2O4 --->2NO2 a 1 liter flask is charged with .4 mols of N2O4. at equilibrium at 373 k, .0055 mols of N2O4 remain. what is the Kc for this reaction? please explain to me how to get the rate law for this and solving

**math**

OH,,, well i found out what i needed.. THANKS FOR YOUR HELP SO FAR!!!! :)

**math**

ya but where did you get the 4x? SORRY!

**math**

how did you get that answer from the question renee posted

**math**

If the team wins, (A) Then the team remains in the playoffs. (B) If the team stays in the playoffs (B) then the championship is within reach. (c) Therefore, if the team wins, (A) the championship is within reach.(c) It is not logically correct because The A's, C's, and...

**college chem**

why is PCl5 .1 -.o5 thats what i dont understand i know its .1 bec of the molar but why minus .05 shouldnt it be something close to .1

**college chem**

how did u get that equation

**college chem**

how did u get that equation

**college chem**

In the reaction PCl5(g) ---> PCl3(g) + Cl2 (g) 0.200 mol of PCl5 is introduced into a 2.00 liter vessel. At equilibrium, the concentration of Cl2 is found to be 0.0500 molar. Find Kc for the reaction.

**Math**

Solve each formula for N r/n + 2 = p t=100 (n+3) pv/nr = T 8a + 2n + 6b

**Math**

t=100 (n +3) PV/NR= T 8a + 2n = 6b r/n + 2 = p

**Math**

y=3x+2

**calculus**

Give the volume of the solid generated by revolving the region bounded by the graph of y=ln(x), the x-axis, the lines x=1 and x=e, about the y-axis

**math**

x+9y=18 find slope

**english**

u guys are horrible

**art**

What is the main difference from da Vinci's Last Supper and Andrea del Castagno's Last Supper?

**algerbra**

you helped me with this chem ques and you got close to 1 how did u get it please help me?You end up with a cubic equation for x. You may have to solve it graphically. Take the root that is between 0 and 1. As x -> 1, the term on the left approaches 4/[(0.5)(2-2x)^2 ] = 2.27...

**algerbra**

4x^2/[(1.5-x)(2.0-2x)^2] = = 2.72 x 10^11 solve for x

**question**

is kung fu a sport?

**algerbra**

4x^2/[(1.5-x)(2.0-2x)^2] = = 2.72 x 10^11 solve for x

**maths PLEASE HELP**

write x^2-11/5 log(2 x-1)+11/5 log(x-2)+ c as a single log im not sure how to change the brackets

**math**

4x^2/[(1.5-x)(2.0-2x)^2] = = 2.72 x 10^11 solve for x

**art**

can you change the relationship between object and background by changing their colors? what happens

**college chem**

At 750°C, the Kp for the reaction 2 CO + O2➞ 2 CO2 is 2.72 x 10^11. ( 2.72 times ten to the eleventh) At that temperature, CO and O2 are added to a constant volume vessel. The initial pressure of the CO is 2.00 atm, and that of the O2 is 1.50 atm. Calculate the pres...

**college chem**

do you have to use limiting reagent for this problem

**college chem**

At 750°C, the Kp for the reaction 2 CO + O2➞ 2 CO2 is 2.72 x 10^11. ( 2.72 times ten to the eleventh) At that temperature, CO and O2 are added to a constant volume vessel. The initial pressure of the CO is 2.00 atm, and that of the O2 is 1.50 atm. Calculate the pres...

**Chemistry**

Gold crystallizes in a face centered cubic structure. Using only a periodic table for refrence, determine the edge length of a gold unit cell. Show all Work.

**Chemistry**

Order the following solids according to increasing lattice energy. HgI2, CdCl2, ZnCl2 Now I get how to sort of do it, but I do not get how to do it if I'm looking at its radius if they do not provide it in the question.

**Chem**

Carbonic acid is a diprotic acid that ionizes in two stages. Write the two equations for the successive ionizations of carbonic acid in water.

**Chemistry**

Using the balanced reaction, enter the formula, charge(if any), and state of the species (exclude H2O) in solution if ZnCl2(aq) reactant is present in stoichiometric excess. Separate your answers by comma. ZnCl2(aq) + K2CO3(aq) → ZnCO3(s) + 2KCl(aq)

**algebra**

(8/125)^-(2/3)

**Chemistry**

Based on the balanced equation 2NBr3 + 3NaOH → N2 + 3NaBr + 3HOBr calculate the number of NaBr formula units formed when 126 NBr3 molecules and 192 NaOH formula units react?

**math**

simplify 8{[4(q-4)+16]-[2(5q-3)+3]}

**math**

simplify 8{[4(q-4)+16]-[2(5q-3)+3]}

**Chemistry**

thats wrong. dont listen to him

**math 4th grade**

2+7=9 7+2=9 1+8=9 8+1=9 3+5+1=9 5+1+3=9

**statistics**

What is the value of the z-scores if the area of the curve to this point is 0.887? How much of this are is between the peak of the curve and this point?

**Environmental Science**

I am guessing you have Lincoln Interactive?

**Math**

Simplify 2/7(-7x^2) what are the steps involved? thanks alot!

**chemistry**

Is hexane and ethylene chloride miscible? Why?

**math**

how do I solve : -4/ x+4 = -3/x+6?

**Math**

I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem wrong. This morning when I posted I had put the wrong answer. The answer is suppose to be 1/8 but I don't understand how to solve the problem. Help wo...

**Math**

I'm so sorry it's suppose to be 1/8

**Math**

I posted this problem the other day and someone answered it but when I checked my book I realized that I wrote the problem wrong. The answer is suppose to be 43/128 and I can't get it. Thanks (1/4)^2/(1/2-3/4)+ 3/2^3

**social studies**

why do you think much of the land settled between 1700 and 1760 was farther inland rather than on the coast

**Math**

11/16-(-3/4)^2 divided by 2/5 ^3

**math**

how many philippine 5 cents are there in 10 peso bill?

**Alg II**

*in the original equation it was supposed to be +6x-13 not =6x-13

**Alg II**

I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equation r(x)=x^4-6x^3+12x^2=6x-13 I used a graphing calculator to find the real roots of 1,-1 Then I did synthetic using -1, and I ended up with the equation x^3-6x^2+2x-13 How ...

**Alg II**

I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equation r(x)=x^4-6x^3+12x^2=6x-13 I used a graphing calculator to find the real roots of 1,-1 Then I did synthetic using -1, and I ended up with the equation x^3-6x^2+2x-13 How ...

**Trig/Math**

thank you!!

**Trig/Math**

Find all the points having an x coordinate of 2 whose distance from the point (-1,-5) is 5. so far i have 5=sqrt((-1-2)^2+(-2-y)^2) 5=(-3)^2 how do i simplify the rest of the equation so i can find x. do i foil it out? thanks.

**english**

Think about each character's perspective and how they relate to the other characters in the book. It's been awhile since i read things fall apart, but think about how Janie's journey relates to Okonkwo's. How are their families alike? How are their hardships al...

**english**

i mean like info about bugsy malone and how he stared his life to become a film movie star etc

**english**

my teacher told me to find a bio of bugsy malone ganster i look all over and nothing can u help me please

**OCHEM**

When 2-methyl-2-butene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed?

**math**

1000 lockers 1000 students, the first student goes along and opens every other locker. The second student goes along and shuts every other locker beginning with the number 2. The third student changes the state of every 3rd locker begining with the number 3 (if the locker is o...

**Physics**

56 mph7 34mph

**READING**

WAT DOES THE WORD DEVIOUS MEAN

**mechanics**

A 150kg safe on a frictionless casters is to be raised 1.20 m off the ground to the bed of a truck. Planks 3.0 m long are available for the safe to be rolled along. How much force is needed to push the safe up to the truck

**mechanics**

A hollow steel tube of square cross section, whose outside dimension is 10cm on side and 5 mm thick, is loaded with compressive forces of 120 KN. What is the stress produced in the members.

**geometry**

I have triangle XYZ with BX as the bisector sides XY and XZ are congruent. I have to write a proof for angle Y being congruent to angle Z. This is what I have, but it doesn't seem correct - can anyone help? XY is congruent to XZ - Given XB bisects angle XYZ - Perpendicular...

**geometry**

I am working on a geometry problem where I have to build a mobile of the quad. family. I have to state the properties of each figure. For a parallelogram I have 1. opp. sides are congruent 2. opp. angles are congruent 3. diagonals bisect each other and are congruent. For a rho...

**math**

thanks again

**math**

thanks

**math**

sin(2arccos(1/4) - arcsin (-1/2))

**physics**

A farsighted man has a near point of 50 cm. What power lens should he use as a magnifier to see clearly at a distance of 15cm without wearing his glasses?

**physics**

if im standing 28 meters from a tree....the tree is leaning 7 degrees vertically away from u...the degree of elevation is 26 degrees from feet to tree...whats the height of the tree?

**English/Writing**

The purpose of a persuasive essay is not to prove anything. That might be where you're going wrong. Very few qualitative topics can be proven. The objective of your essay is to "persuade" readers towards your line of thinking. You provide a persuasive argument fo...

**physics**

A car traveling at +7.8 m/s accelerates at the rate of 0.65 m/s 2 for an interval of 1.6 s. Find vf . Answer in units of m/s

**algebra**

-22.45

**philosophy**

One of my friend Josh whose dad owns 20 or more gas station invited me to his party. When I went to the party most of them were wearing their suit. I was wearing casual clothing that I usually wear at school. I was pretty embarrassed surrounded by their style. I really looked ...

**philosophy**

I don't like to fight but to impress others I pose as I can fight and hence I am lost in that false posing of me. I should not do this, because this way I am ditching myself and this then can hurt later when we face the repercussion of those acts. I am not rich and looking...

**philosophy**

so i just have to list some examples. right?

**philosophy**

Examples of ways Thanatos has affected your behavior. --- Thanatos: Freud uses this term to explain our inner self. He says that inside each of us there is a force, Thanatos, that causes us to do the exact opposite of what we really want to do, it causes us to sabotage our dre...

**Geo**

Which statement about African music is not true? a. It has been strongly influenced by American jazz. b. It is popular around the world today. c. The blues tradition came from Africa. d. Contemporary music borrows from its traditions and styles.

**criminal justice**

while the us constitution specifically the bill of rights, was a comparatively short document, it has stood the test of time, but has been the focus of how much controversy throughout the years. does this living document provide u.s citizens w/ample protection? if not what was...

**college**

What is another name for a playwright?

**physics**

How can I calculate the tension in the two cords that are labeled A and B in a two mass system? Cord A is on top with a 1 kg mass attached and Cord B connects this mass to a 2 kg mass. The two mass system accelerates directly upward at 2m/s^2.

**physics**

If a mass attached to the center of a vertical circle swings around at a fixed speed (v) and gravity pulls straight downward, would the tensions in the rope attached to the mass be different at the top of the circle, straight down to bottom of circle, and directly straight out...

**physics**

Is it true or false that when a baseball player hits a home room, the baseball received a greater impulse from the bat than the bat did from the ball?

**physics**

Two vehicles with the same mass collide and lock together traveling 28 m/s at 37 degrees north of east after the collision. How fast was the car traveling that was heading north while the other vehicle was traveling east?

**2rd grade**

how to use a hundred chart to subtract

**History Quick?**

Thank you. I get it now.

**History Quick?**

I really don't understand what you mean. I thought that one of Jackson's principles was expanded suffrage which allowed all white men to vote. I honestly dont get what you mean please help.

**History Quick?**

I'm confused.... so in simplier terms what should I be saying? I don't get it?

**History Quick?**

Should I take out the first part Jacksonian era was known for the success of expanded suffrage.

**History Quick?**

Can you please tell me what is wrong with this sentence. My teacher underlined it on my paper. What should it say. Thank You Jacksonian era was known for the success of expanded suffrage. Jackson's supporters felt like white men should be allowed to vote.

**English**

Can you please tell me what is wrong with this sentence. My teacher underlined it and I can't figure out what is wrong with it. Thank you. With the results of the election in, Andrew Jackson led in the popular and electoral votes, yet did have the majority of the electoral...

**math**

3x-9+15x

**History**

We don't have a textbook. We never got one when we started school. Can you please tell me Who owned Texas before it became an independent nation? I tryed searching for an answer but did not come up with anything. I appreciate your help and will continue knit picking this q...

**History**

The southeastern Indians went to the west Texas is a western state now. Was it Mexico that owned texas before. Are my examples correct for me to use that I had listed before. I'm still loss. Sorry It takes me a while to catch on to history

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