Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 289

**chemisrty**

When 50.0 ml of 1.00 M KOH is reacted with 50.0 ml of 1.00 M HCL, the temperature rose from 20.0 degrees celsius to 28.7 degrees celsius. What is the heat generated by this neutralization? (Assume that the density of the two 1 M solutions is 1.00 g/ml and that the heat capacit...

**PHYSICS**

(b) Two charges of magnitude 0.610 £gC and 0.490 £gC are in a liquid dielectric with dielectric constant £e = 45.0. The charges are separated by a distance of 0.290 m. (i) What is the size of the electric force between the charges? (ii) By how many times is t...

**Grammer **

Devon thanks Ms.Sue your a lot of help to me i bet i will get 100% on my CST Test!

**Grammer **

What is the simple subject of this sentence "Behind the curtains, Devon was hiding from his sisters"

**Grammer **

i mean language arts

**Grammer **

What is an simple subject?

**Writing**

What is the word to say when you don't know what to say?

**Grammer**

What's an consonant?

**Grammer**

What's the difference between a and an

**grammar**

what does an simple predicate mean

**trig.**

A 2000 pound car is parked on a street that make an angle of 12 degrees with the horizontal figure Find the force perpendicular to the street.

**math**

Please help me. I can't seem to get the answer of 165 degrees. Find the angle ϴ between the vectors. u=3i-3j, v=-2i+2√3j

**Managerial Finance**

Jefferson Products, Inc., is considering purchasing a new automatic press break, which costs $300,000 including installation and shipping. The machine is expected to generate net cash inflows of $80,000 per year for 10 years. At the end of 10 years, the book value of the machi...

**Finance**

If I loaned someone $5000 four years ago at an interest rate of 5%, how much do they owe me now?

**Crimal Justice**

law enforcement, prosecutors, defense attorneys, and judges

**Crimal Justice**

• Write a 350- to 700-word essay describing each person’s roles. Discuss how they work together when handling a trial. For each person, describe at least one communication exchange they may have during a trial.

**communication**

3 ways on how language construct social reality

**math**

hey i asked for help with accounting with a question i saw the same question at this site but when i click it it doesnt work is there anyway you can check it for me then what they posted there you can copy and post it here for me).my question was Tracy Migre, a certified publi...

**accounting/check please**

it is topfinuas.notlong. com

**accounting/check please**

(hey i asked for help with accounting with a question i saw the same question at this site but when i click it it doesnt work is there anyway you can check it for me then what they posted there you can copy and post it here for me).my question was Tracy Migre, a certified publ...

**accounting**

is there any accounting helpers on this site.

**Chemistry**

what is the density of an unknown substance whose mass is 4.5 grams and volume is 5 mil?

**structural bio-chem**

Write notes on the different non-covalent interactions that drive protein folding. Explain how these weak interactions are responsible for the specificity of enzyme-substrate and antibody-antigen binding reactions.

**organic chemistry**

the p-xylene has a singlet peak around 7.0 ppm that integrates to 4 hydrogens. The m-xylene has a triplet peak around 7.0 ppm that integrates to 4 hydrogens

**college**

why us an alkene able to from cis/trans isomers but an alkane can't?

**algebra**

5x/9-11=-51

**math**

a student who weighs 500 newtons climbed the stairs frim the first fkoor to the third floor 15 meters above in 20 second How much work did she do? what was her power? How do you write this question out HELP

**science **

a 49 newton rock is lifted in 5 seconds A. how much work is done? B.what power is used? How do you write this question out

**math**

estimate the difference in precipitation between 124 days of rain in N.N. and 85 days of rain in Kansas

**math**

estimate the difference of 5,602-2,344

**math**

wesley estimated 5.82-4.21 to be about 2. Is this an overestimate or an underestimate

**Economics**

Suppose that you have a $400,000 commercial mortgage with a 6.3% APR and a 25 year amortization period. Further, suppose that the mortgage has a 5 year balloon. How much of the 48th monthly payment is interest and how much is principal? What is the amount of the balloon paymen...

**science**

photosynthesis and aerobic cellular respiration

**Environmental science ..**

Thank you ...

**Environmental science ..**

Hi, Can any offer some advice please.... I hav been asked to draw a spray diagram for a Water Issue, I have chosen a "drought" issue ... no problem drawing spray diagram etc etc However the I have to explain how The water issue chosen is related to "the notion o...

**Algebra 2**

210= 84/(R1/2+R1/3) solve for R1 How do I do this

**math**

yeah I finally got it thanx

**math**

x^2/x^-2=? I got 1

**Math**

confusing but thank you

**Math**

9 to the 3/2 power = how do I reduce it?

**Human services**

t u r n i t i n . c o m

**Math**

(2x-1)(3x-4) I remembered

**Math**

6x^2-11x+4= forgot how to reduce polynomials

**Algebra**

27

**Algebra**

9 to the 3/2 power?

**Math**

thank you very much, my friend was right I was wrong

**Math**

PLease help with this problem. My friend and I differ on answer. (3abc^2 )^4/(7a^2 b)^4 =

**Maths - science**

Model is linear .. rough back of envelope calculations only required to complete this question thank you for your help and comments

**Maths - science**

If the current best guess for climate sensitivity is 3.0 degrees C ( The increase in GMST for doubling of CO2 from 280 ppm to 560ppm) Country member energy policies lead to stablilistaion at 650 ppm what would the de facto temperature target be ? given that members accepted a ...

**Mtahs Metre to millimetres**

Mathmate .. Thank you ! for your time & trouble

**Mtahs Metre to millimetres**

Hi, Can anyone please check the following scientific metre to millimetre calculation for me:- Subtract the second figure from the second 0.28432882m, 0.28052258m to milliemtres to (1 d.p.) In 1m there are 1000mm, 0.28432882m x 1000 = 284.32882mm 0.28052258m x 1000 = 280.52258m...

**Maths ...**

Thank you .. very much !!!!

**Maths ...**

Hi Can anyone help with this little problem , I have to compare the percentage change for the following numbers from a graph (Tonnes) Comparing the lower years with the year 2050 Year 2050 = 14672.873 2046 = 14745.197 1990 = 6096.0 I have worked out the following :- 14672.873 ...

**Biology**

how can i get the homework help forum posted by tammy on fri. june 12 2009

**Biology**

yes

**Biology**

yes

**Statistics !**

Hi I have calculated some statistics using a spreadsheet program and I have to compare three slopes of regression and their significance level in an energy species hypothesis.. -2.11 level of significance is 5% -4.73 level of significance is 1% -4.13 level of significance is 1...

**Statistics**

Hi Can anyone tell me in a regression model are the values of 0.13 0.10 A good indication of of the total y explained in a regression model ?? Thanks.

**Regression**

Hi, Can anyone help me with a regression problem, I am doing energy species hypothesis ... I have calculated data and from f value of 22.39 have found the sq root of 4.73. 4.73 is significant at 1% c = f (x) = 0x + 2.2 ( not sure what this output means) I am trying to use the ...

**Climatology**

I concur and thank you ...

**Climatology**

Can anyone help with the following:- Measure the relevant sea level rises as accurately as possible. Give your answers in millimetres to one decimal place. What is the predicted annual sea level rise in 2050 associated with each of the following CO2 concentrations and climate ...

**2nd grade**

CAN YOU HELP ME

**2nd grade**

social studies grade2 about family tree

**us history**

Who warned the colonists of the British advance toward Concord?

**College Chemestry**

an agueous solution of ethlylene glycol (C2H6O2) is 40% ethylene glycol by mass, and has a density of 1.05g/ml. What are the molarity, molality, and mole fraction of the solution? Do you know how to solve this...I am kinda lost..please help

**fractions**

which fraction is the greatest 5/8 9/16 39/54 2/4 21/32

**finance**

Would each of the following increase, decrease, or have an in determinant effect on a firm’s breakeven point (unit sales)? a. An increase in the sales price with no change in unit costs. b. An increase in fixed costs accompanied by a decrease in variable costs. c. A new f...

**finance**

New project analysis You must evaluate a proposal to buy a new milling machine. The base price is $108,000, and shipping and installation costs would add another $12,500. The machine falls into the MACRS 3-year class, and it would be sold after 3 years for $65,000. The applica...

**Math**

Eye radius of category 5 cyclones is 20Km. What is the probability that any randomly selected category 5 cyclone will cross the Qld coast such that the eye wall of the cyclone will pass over Cairns which is on a 3200Km section of Qld coast? Cyclones generated in Australian wat...

**Algebra Help Radical notation**

Thank-you, I don't know why I did not think of that. I came up with every other number imaginable but that. I think I was trying toooooooooooooo hard!

**Biology**

Male Red-winged Blackbirds display red wing patches to signal superiority to other males. Hypothesis Bees make honey. Observation Male Red-winged Blackbirds compete for territories. Observation Bees eat honey when no other food (nectar) is available. Prediction A wound is infe...

**Biology**

Do I have these right? Each of these have one or two words that make them confusing and tricky. Hypothesis – a tentative, testable explanation of an observed phenomenon. Observation – a piece of the natural world is observed to work in a certain way (witnessed) Predi...

**science**

I have a gold and diamond ring, probably fake. It is only stamped with the number 35 on the inside.That is why i think it is only junk..

**math**

how do you find an area of a figure, in square units plotted on a graph?

**math**

how do the find an area, in square units of a figure plotted on a graph?

**PHYSICAL SCIENCE**

A ROCK WITH A WEIGHT OF 156.8 NEWTONS FALLS 5 METERS. WHAT POTENTIAL ENERGY DOES IT HAVE JUST BEFORE THE END OF ITS FALL.

**Geology**

never mind, I got it. Seismic waves are transversal.

**Geology**

Well, I think i need to be a bit more clear my options are limited to torsional, longitudinal, and transverse

**Geology**

What type of waves are Earthquakes?

**algebra-i post the words that i need to fit toget**

What catastrophes makes ur kitten happy? I need to fit all this words together: LET, CHAIN, THE , HAVE, CAT, CRY, ONE,OUT, OVER , LITTLE, DOG, SPILT, NEW, OUTSIDE, MILK, OLD.

**algebra-what catastrophe makes a kitten happy?**

what catastrophe makes a kitten happy? OPTION : LET, CHAIN, THE , HAVE, CAT, CRY, ONE,OUT, OVER , LITTLE, DOG, SPILT, NEW, OUTSIDE, MILK, OLD.

**science project**

how do you know what to do for a science project?

**Take a guess**

alright thx for everything and my bad

**Algebra 2 -math**

WHAT CATASTROPHE MAKES YOUR KITTEN HAPPY?

**Calculus**

The answer to the Y-centroid is incorrect. The answer for that part is 1.125 or (81/72)

**science**

it is the intestine. I did this lab in school. =]

**Maths**

One tenth kilogram of Argon is contained in a piston-cylinder assembly. Initially at 4900 K and a volume of 40 liters, the gas undergoes an isobaric process during which the heat input is 30 kJ. Where / how do i start to determine the boundary work and final temperature 100 kg...

**challenging math problems! :]**

1. a total of 120 numbers can be formed using all 5 digits 1, 2, 3, 4, and 5. If these numbers are arranged in increasing order 12 345, 12 453, up to 54, 321, which one is the 75th number in this order? *can someone tell me how to do this problem???^) 2. Jane cycles to work al...

**Chemistry Electron Configuration Questions**

yo momma