# Posts by karen

Total # Posts: 1,074

**Please help with Chemistry due today**

Where is your question?

**physics**

Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume of a cavern is 5.60 105 m3, and the pressure of the air in it is 8.40 106 Pa. Assume that air is a diatomic ideal gas whose internal energy U is given by U = 5/2 nRT. If one home...

**physics**

In a diesel engine, the piston compresses air at 302 K to a volume that is 0.0628 of the original volume and a pressure that is 48.2 times the original pressure. What is the temperature of the air after the compression? I know pv = nRT, but I don't know how to use this ...

**math**

Find the domain of f(x)=(sqrt (x-2))/(2x-5) I need help...THANKS!

**english**

Although Max bled profusely before he died, there was no blood on the ground where his body was found. Therefore, he was killed somewhere else and brought here after the murder. a) true beyond a reasonable doubt b) probably true c) possibly true or possibly false my answer is...

**Physics**

The second hand and the minute hand on one type of clock are the same length L. -------------------------------------------------------------------------------- (a) What is the period Tsecond of the motion of the second hand? (_) The period is 10 seconds. (o) The period is 60 ...

**grammar**

I need help with OR rhymers and I need help

**Financial Accounting**

If you purchase property and contract a company to construct a building. How would you enter the transaction? I know you would credit accounts payable to the company, but what do you debit?

**chemistry**

What is solubility of CaF2 in a solution buffered at pH 5

**PHYSICS!!!**

but which particle experiences the greatest force?

**PHYSICS!!!**

A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2. Which particle ...

**physics**

A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2. Which particle ...

**Chemistry-EQUILIBRIUM**

I'm working on this equilibrium homework problem and I'll post all my work. Can you help me please? I'm a little stuck especially on the polynomial. If iodine vapor and bromine vapor are reacted in 15o degree C they form idodine monobromide gas. At 150 degrees C ...

**Algebra**

5ft 1 in

**Chemistry**

How can you tell the wavelength of blue light if given it's frequency?

**Internationial Business**

1.Why is an exporter that is to be paid in six months in a foreign currency worried about fluctuating foreign exchange rates? 2.Are there ways in which this exporter can protect itself? If so, what are they? 3.How does the credit or money market hedge work? 4.Why is ...

**Chemistry please check**

A Geiger counter measures radiation indirectly by measuring

**history**

How did U.S. “Manifest Destiny” impact Latin America?

**oratorical piece**

oration..

**Science**

If you need to speed up the rte at which your potatoes are cooking in boiling water, would it be better to turn up the heat or use a pressure cooker? why?

**Math**

i think it is 5o%

**fallacies**

what is a post hoc

**chemistry**

calculate the standard enthalpy change for each of the following reactions. N2O4(g)+4H2(g)=N2(g)+4H2O(g)

**science project**

I am doing a project where I have to start with a solid, show is turning into a liguid and then a gas..Can I use butter as a solid, melt it in cookies, and then bake the cookies showing that it turns into a gas (or by smell of butter in cookies). Thank you

**Social Studies**

If I have birth rate, death rate, rate of increase in percent, how can I calculate the population doubling time?

**Chemistry**

The bond energy of the O2 molecule is 495. a) calculate the minimum frequency and max wavelength of light required to break this bond. b) how many photons of this wavelength would it take in order to break open the bonds of all the oxygen molecules in a 384 mL container filled...

**Reiny**

you're right - bravo. And I spellled bushel wrong - oops||||

**Reiny**

sorry about that, I'm new to this. Won't happen again

**Reiny**

Thanks - How many pecks in a bushell - and don't ask anyone else for the answer - only Canadians would know this.

**Reiny**

Thanks - How many pecks in a bushell - and don't ask anyone else for the answer - only Canadians would know this.

**To all tutors**

Is it okay to post to him directly - no offence to any of the other tutors.

**To all tutors**

Not sure if my response came through before - just wanted to say thank you for the quick response and keep up the good work :) ttfn - Canadian Student

**For all tutors**

Thank you. My main concern is Algebra, but possibly next semester it will be History. Nice to know you guys are out there. Keep up the good work|| :)

**For all tutors**

Thanks, I will try posting again. I understand that you are not here to do our homework - but will try to answer any questions that we have in trying to solve the problem. Thanks for the quick response to my question about being Canadian. I will try again if I come across any ...

**For all tutors**

Is this just an American website. I am from Toronto Canada - posted a question yesterday and have not received a response. Just checking. Thanks.

**algebra**

1) The formula for the final amount A in an investment with principal P and interest I (A=P+I. Determine the principal if A is $7,000.00 and I is $400.00 - is my answer correct 7,000.00 = P + 400.00 P = 7000.00 - 400 P = 6600.00 2) There is a diagram of figure and am asked to ...

**Physics**

An athlete whirls a 7.40 kg hammer tied to the end of a 1.1 m chain in a horizontal circle. The hammer moves at the rate of 1.4 rev/s. What is the centripetal acceleration of the hammer? What is the tension in the chain?

**reading**

o...ok....thank you so much... you really helped me a lot thanks

**reading**

What is your opinion about cameras in the classrooms that will allow your parents and yourself to view it on the internet? list three reasons and explain now i don't know what to put

**Accounting urgent**

Accounts received

**Algebra**

when x number units are sold, the price of each unit (in dollars)is given by P = -x/2 + 75, find the unit price when the quantities are sold: 2,7,9,11

**Algebra**

Celsius temperature readings can be converted to Fahrenheit readings using the formula F = 9/5c + 32, what is the Fahrenheit temperature that correspond to each of the following celsius temperatures: -10,0,15,100

**Algebra**

Complete the order pairs so each is a solution for the given equation 3x + 4y = 12 these are the numbers ( ,3) ( ,3/4) ( ,0) and (8/3, ) need to fill in the missing numbers

**math**

Because if it was 12 in. long than it will be a foot!

**Science**

Give examples of advancing technologies in criminal justice within information and dispatching systems. Also, include about how resources allocation benefits from improvements in those areas. Please post your answers based upon your readings, class notes amd research. We'...

**Word problem**

suppose you deposit $350 in a bank account that pays 6% annual simple interest. Find the interest earned in 4 months and in 1 year. 350 x 0.06 = interest in 1 yr. 4/12 of that is the interest in 4 months.

**distance**

how do i find the midpoint between the points (-1,4) and (-2,-9). y1-y2/x1-x2=4+9/-1+2

**Math(check)**

write and equation a line through the given point in Ax+By=C 1.- (13,-5) (13,7) 2.- (5,-7/5) (-4,2/5)

**exponents**

i know this is simple but what is the answer to the -3 squared? -3 squared is 9. Check this site for more information. http://www.gomath.com/algebra/negative.php Well then I do not know how to use my calculator. Every time I put in -3 to the second power it gives me -9. I have...

**College Algebra**

The sum of two numbers is less than 12. The second number is 8 more than the first. What are the possible values for the first of the two numbers? Your problem would look like this X+(X+8)<12 X ia the firt number and X+8 is the second. 2+(2+8)= 12 so it is any number under ...

**Early Child Ed.**

1.a 2.c 3.a

**Math**

Im stumped by these: evaluate if possible: -3√64 (the 3 is supposed to be in the dip of the square root symbol) 4√81 ( the 3 is also supposed to be in the dip of the square root sign) 3√1/125 ( " " ) The cube root of 64 is 4 The fourth root of 81 is...

**math**

The Randolphs used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for the 3 months, how much was used during each month? Let x = the gallons of fuel oil used in September, and solve this equation. x...

**adding/subtracting Rational Expressions**

(7/3)-(8/12x-8)

**grammar**

Ironing out all wrinkles, the pants looked much more presentable. Hmm -- what talented pants -- they iron themselves. :-) You can correct this sentence by telling WHO is ironing out all the wrinkles. Please post your correction, and we'll comment on it. Thank you for using...

**Complex Analysis**

Use the Cauchy Integral formula to evaluate foC (closed curve) f(z) dz, where C is oriented anticlockwise, for f(z) = (z + i)^2 / (z + 3 - 2i)^3 and C is the circle |z + 2| = 5. Thanks.

**auto industry**

what government imposed barriers stop or hinder the export of automobiles? Are you sure you don't mean the import of automobiles? I asked this once before. I see no reaon why any country would want to ban exports, unless they involve things like weapons and high-tech ...

**Chemical Bonding**

Predict the type of bond present between carbon and suffer in vulcanized runbber? Is that ionic. Please tell me how I can figure out what bonds are present in different chemical reactions. Like phospherous nad oxygen in a DNA molecule. CS bond is covalent. Look at the ...

**Chemical Bonding**

Predict the type of bond present between carbon and suffer in vulcanized runbber? Is that ionic. Please tell me how I can figure out what bonds are present in different chemical reactions. Like phospherous nad oxygen in a DNA molecule.

**Fossil Fuels**

We could resupport them using simple and much more complex 4RT's. But the goverment of Great BU will not supply the money, so no one can mine it. This way, we are adding to climate change because the goverment of Great BU would rather support a musuem of 1980's!

**math**

idk i came here to find the answer duh!!!

**Grito de Dolores**

How was the writing of the Grito de Dolores similar to the writing of the petition by the First Continental Congress? Please check this site. http://en.wikipedia.org/wiki/Grito_de_Dolores

**Calculus**

How do you find Altitude and slope slope is the derivative of a function: for ex. if you have f(x)=x^2 + x, at point (1,2) f'(x)=2x+1 your slope is 2(1) + 1 = 3 =m to find the equation is y-y1=m(x-x1) so you have: y-2=3(x-1) gives you: 3x-1 is your equation for a tangent ...

**Calculus**

How do I graph sin and cosin example: graph y=-4sin(x + 3.14) Your function is the sin function shifted by pi units to the left. You need to study the sin function and know how to graph it. There should be a picture of it in your text, it's a very commonly used funtion ...

**English**

There are 3 errors in the follow sentence, please help. She wants to track the history of every priest accused of seual misconduct. "It's my belieft that if these people victimize once, they generally do not stop", Ms Anderson said. seual --> sexual belieft...

**English**

There are 3 errors in this sentence, can you help find them, please: The district attorney want to see every accusation ever made against a living priest. "Even if it was triple hearsay, let me decide", said Stephanie Anderson, the district attorney of Cumberland ...

**English**

What is wrong with this sentence? By Tuesday, the Roman Catholic Archdiocese of Portland, Maine has promised to turn over to local prosecutors a file containing all accusations of sexual misconduct involving it's priests. There are 3 errors, I am unsure of what they are, ...

**word unscramble**

igdothniuow

**Math: Direct Variation**

Suppose m varies directly as p, and m = 22 when p = 8. Find p when m = 90

**Algebra**

area of a triangle 72cm squared base=12 what is the height?

**Algebra**

area of a triangle 72cm squared base12 what is the height?

**Psychiatry**

what is the umemployment rate among psychiatrists? I searched on this, and found nothing. I suspect there are no statistics being kept. If you find the answer, please post it and the source, I find this question intriguing. Thanks.

**sociology**

Yet another Axia Ethics ponderer...I have to agree with at least two pages of students here, I think we are all over analyzing this question. Just answer to the best of your personal ability. I think the instructors get a big kick out of looking at threads like this. Instead ...

**Math**

7:15