# Posts by dd

Total # Posts: 151

**college Chemistry**

what is the amount of heat lost in KJ for 50 ml of water going from 70.0 degrees C to 1.0 degrees?

**physics**

An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.5 m/s2. The magnitude of the car's velocity at the end of stage...

**algebra**

How do you find any x-intercepts and y-intercepts. If no x-intercepts exist, state this. g(x)=2x^2+3x-1

**Chemistry II**

What is the vapor pressure of benzene at 23◦C (about room tempera- ture)? The normal boiling point of benzene is 80◦C and its molar heat of vaporization is 30.8 kJ/mol.

**french**

what does this mean in english ecris la partie correcte d,aller apres chaque nom ou pronom

**6th grade**

WHAT IS A PUZZLE

**Math Help Please**

So the funtion is: x^2(x - 7)(x + 3 - 5i)(x - 3 + 5i) For it to have rational coefficients, you must get rid of the -3 + 5i term. Therefore the remaining zero is: 3 - 5i so your answer would be (C)

**math**

solve the system of equation by graphing then classify the system as consistent or inconsistent and as dependent or independent 8x-4y=-20 4y-8x=-20

**math**

you know you are right i did forget to change the symbol sorry so the answer is x>40 or x >-40 because negative and negative is negative i'm i right.

**math**

Solve -0.6x < -24 x=-40 the solution is {x|<-40} do it have it right!!!

**math**

can you check if i have this one right 0.6x+2=1.4x-1 my answer is ¡Ý 3.75 im i correct

**math**

solve using the multiplication principle. -1/2x=-3/4

**math**

0.6x+2 ¡Ü 1.4x-1

**algebra**

translate to an algebraic expression the product of 37% and some number

**Algebra**

evaluate z+y/9 for z=62 and y=10 z+y/9=

**math**

8x=-72 i divided on each side and my answer is x=-9 i'm i right by the way thanks

**math**

Determine whether (-2,-1) is solution of 7x+6y=-3

**science**

how many tornados dose ohio average

**science**

Thank you.

**science**

what site would i go to to summerize the climate changes that have accured from the past to the present and predict what you think the Earth will look like into the 21st. century????

**human services**

Thank you!

**human services**

I am to identify the needs and expectations of P.E.A.C.E domestic violence agency in human service plan, can anyone suggest a web site that I might read and learn these identities and name the different types of stakeholders.I want to check out other sites other than my class ...

**human services**

I had planned to write a program plan for my human service project. One of the things I need to know is what is elements and how would I use these elements to make an effective program plan. If I could find a web site that would give me enough information then I can go from ...

**human services**

I need help with identifying the elements of an effective program plan through out an evaluation

**MATH**

I REALLY NEED HELP CAN YOU HELP ME PLEASE

**spanish sra jmcguin**

see gfhdthis hgddis hfjdjcdeasy fdsjfl;saspainish

**To: dd -- human services**

yes thank you!

**To: dd -- human services**

What I have learned about the multimedia is the ways that the human service can use information to deliver to their clients. Pamplets, vedeos, and the interactions between the communities and the people in them. I may not be saying this right, so this is why I need some help. ...

**math 6th grade**

wont me to show u

**Math**

i need to check my answers for my THA #27

**5th grade Geomentry**

I LOVE MATH

**government**

Why is the president more successful in foreign policy? This difference narrowed from 1965 to 1975 (55% foreign policy to 46% domestic policy). What explains the president’s poorer recent performance in foreign policy?

**government and politic (please help...i'm stuck)**

One of the problems of liberty is that one person’s liberty sometimes conflicts with another’s liberty and one must take precedence. How would you resolve the following conflicts between rights of the individuals and why? [h] Fountain Valley High School has 80% ...

**chemistry**

r3r3r44

**Criminology**

I'm just not sure where to begin. Who's an interesting gang or person to do this assignment on.

**Criminology**

Help, I don't know where to begin. Your supervisor would like you to do some research in preparation for an article regarding the application of modern theories of criminal thinking and criminal behavior of famous criminals in American history to be submitted to ...

**chemistry**

so all you need is that.

**math**

Folow the equation a squared + b squared = d squared

**algebra**

thats an example of your assignment, your suppose to come up with your on real life application. I'm in this class also.

**English**

Can somesome read this for me and give me any feedback that's necessary. The first paper that I wrote was a narration paper this paper deals with joining a series of events within the first paper that I wrote I walk you through how you really cant trust in a professional ...

**English**

Can someone please read this paper and give me any feedback to help improve this paper. I'm not good at writing papers. Thanks In 2005 the Dial Corporation announced that it would be laying fifty people off for the needs of the business. the fifty people were permitted to ...

**English**

Can somebody proofread this and tell me if its okay. The day was October 30, 2005 I went work at the Dial corporation like any other day. Little did I know that this would be unlike any other day that I had ever worked in all the four years that I had been with this company, ...

**English**

Choose three items from the list below. Define your three chosen errors. Write two sample sentences for each choice: one that demonstrates the error and one that corrects the error. In a paragraph, describe how you plan to improve these areas in your writing during this class...

**CHEM**

I tried 8.6*10^-2 & well...it didn't work & now I have exceeded all attempts. Thank you for your help, however. I am not just sure what the question was really looking for. I will attempt to ask my prof if I get the chance. Perhaps it has something to do with the kg's...

**CHEM**

A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of this coal. (A metric ...

**chem**

tried this & the % of S in sulfuric acid = 32.7%. However, when I worked 1.1ton/0.0255*100/0.327 I got:13191.82107. The question says to give to 2sig figs. I entered 1.3*10^4, but said that it was incorrect. Any other suggestions...or did I just enter the numbers incorrectly?

**chem**

I tried this & the % of S in sulfuric acid = 32.7%. However, when I worked 1.1ton/0.0255*11/0.327 I got:13191.82107. The question says to give to 2sig figs. I entered 1.3*10^4, but said that it was incorrect. Any other suggestions...or did I just enter the numbers incorrectly?

**chem**

A particular coal contains 2.55% sulfur by mass. When the coal is burned, it produces SO2 emissions which combine with rainwater to produce sulfuric acid. Determine how much sulfuric acid (in metric tons) is produced by the combustion of 1.1 metric ton of this coal. (A metric ...

**Managerial Econ**

2.5

**math**

754/9471

**Algebra**

789