Thursday

April 17, 2014

April 17, 2014

Total # Posts: 518

**Chemistry**

My question is ..can anyone explain how to do problem #2? I feel lost. :( And could you also explain why? Problem#1, is that a regular dG = dH - TdS problem? Then using Go = -RTlnK to find K? Im just afraid if there are other seps to it.. 1. The combustion of butane has the fo...

**Chemistry**

I got it! I was using the incorrect Kb for each of the reactions! Thanks so much!!!

**Chemistry**

Okay, thank you! I will try this method!

**Chemistry**

Calculate the concentrations of all species in a 0.390 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10–2 and Ka2 = 6.3× 10–8. Species: Na+ SO3 2- HSO3 - H2SO3 OH- H+ Thanks! The only thing I seem to be get...

**Finance**

Thanks for the help and explanation!

**Finance**

Kim has money in a savings account that earns an annual interest rate of 4.1%, compounded monthly. What is the effective rate of interest on Kim's account? Round to the nearest hundredth of a percent.

**finance**

Thanks for the explanation Henry!

**finance**

For a $13,000 student loan with a 6% APR, how much of the payment will go toward the principal and how much will go toward paying interest for each of the first six payments? Assume this is a 10-year loan with monthly payments.

**Liberal Arts Math II**

How long is the perimeter of a snowflake island? A) it is the same as the area B) it is infinite C) 2 times the height D) 3 times the height

**Business Law II**

Thanks for your help, I read over the others and also dug a little deeper in my book and I think that's the best choice as well.

**Business Law II**

Okay, I have eliminated A & D

**Business Law II**

Initially I thought Gramm-Leach-Bliley Privacy Act but I don't see this in my book.

**Business Law II**

What statute requires banks and other financial institutions to disclose to consumers any non-public information they wish to reveal to third parties? A) Banking and Financial Institution Privacy Act. B) Gramm-Leach-Bliley Privacy Act. C) Electronic Communications Privacy Act....

**business law**

You make an online purchase of a hooded sweatshirt with the logo of the Dallas Cowboys. The next time you log on, your screen has a banner ad for Dallas Cowboy hats and shirts. This banner ad is most likely the result of: A) a cookie. B) a coincidence. C) the Internet crime of...

**Liberal Arts Math II**

Choose one of the following statements to complete the sentence. Discuss your reasoning for your selection. Euclid’s treatment of the fifth axiom... A) ... shows that it is important to question the nature of the assumptions that are made. B) ... is now known to be wrong....

**Business Law II**

Yi conveyed a piece of land by general warranty deed. The deed included a covenant of seisin. With this covenant, Yi promised that: A) she has the power to make the conveyance. B) the land is free from any easement, profit, mortgage, etc. C) no other person can lawfully claim ...

**Business Law II**

Ross is a wealthy man. Out of the kindness of his heart, he transfers a piece of real property to his church, "for as long as the property is used for church purposes." Ross has created which of the following ownership interests? A) Life estate to the church; reversi...

**Math**

problems with words that are is to solve

**trig**

Thank you so much for the help.

**trig**

A person stands at a distance from the tower and eyes the top of the tower at 30 degree angle of elevation. He then walks 425 feet towards the tower and eyes the top of the tower at a 58 degree angle of elevation. The person is 5 feet tall. How tall is the tower?

**Liberal Arts Math II**

The following argument is valid: No student is happy You are happy Therefore, you are not a student A) True B) False

**Finite Math**

Thank you both. I tried this using the "72 rule" and was discouraged by my answer due to the book answer of 9.64% and I am not sure how that answer is founded.

**Finite Math**

A person invests $2000 annually in an IRA. At the end of 6 years, the amount in the fund is $14000. What annual nominal compounding rate has this fund earned?

**Chemistry**

Calculate (in calories) the amount of heat needed to melt 96g of ice at -24 degrees C to water at 28 degrees C.

**math**

2,3x-5

**poetry**

What are the names of the different kinds of formats? Stanzas still doesn't make sense to me please elaborate

**poetry**

Sorry about that yes its supposed to be in this way. Please help in telling me what format is being used. Thanks and sorry about that

**poetry**

I need to know what format is being used in this poem: Canadian Angels Angels of the House, Angels of Mercy- yes, they've called women that. But these are Angels of Ice,Hard-muscled, sharp, dangerous as winter's cold. How else do you explain their speed, the light stre...

**Finance**

Your small business needs to buy new office furniture for your new headquarters. You have the option of leasing the furniture, or buying the furniture. You can purchase the furniture for $15,000 per year, or lease the same furniture for $5,000 per year for the next four years....

**Chemistry**

I am having a really hard time setting this problem up to solve can anyone help? Hexane has a density of 0.659 g/mL. How many (mL) would a student need to pour in order to get 49.5g of hexane?

**math**

medical math guestion

**Physics**

Two resistors 17.0 Ω and 7.1 Ω are connected in parallel across a 6.00 V battery. a) Find the potential diﬀerence across each resistor. can someone please give me the answer to this?

**Physics**

A 9.00 V storage battery is connected to three resistors, 4.25 Ω, 11.0 Ω, and 21.0 Ω, respec-tively. The resistors are joined in series. Calculate the equivalent resistance can someone answer this please?

**Physics**

A 9.00 V storage battery is connected to three resistors, 4.25 Ω, 11.0 Ω, and 21.0 Ω, respec-tively. The resistors are joined in series. Calculate the equivalent resistance.

**Physics**

A roller coaster mass of 291 kg starts stationary at point A where height 1 = 37 m, and a while later is at B, where height 2 = 11.4 m. The acceleration of gravity is 9.8 m/s^2. What is the speed of cart at B ignoring the effect of friction?

**Physics**

A neutral ball is suspended by a string. A positively charged insulating rod is placed near the ball, which is observed to be attracted to the rod. Why is this? 1. The ball becomes negatively charged by induction. 2. The string is not a perfect conductor. 3. The number of elec...

**Physics**

Two 1.5 kg balls move away from each other, one traveling 6 m/s to the right, the other 2 m/s to the left. What is the magnitude of the total momentum of the system? Answer in units of kg · m/s

**Physics**

In Larry Niven’s science ﬁction novel Ringworld, a ring of material of radius 1.54 × 1011 m rotates about a star with a rotational speed of 1.5 × 106 m/s. The inhabitants of this ring world experience a normal contact force ~n. Acting alone, this normal...

**Physics**

A satellite moves in a circular orbit around the Earth at a speed of 5.9 km/s. Determine the satellite’s altitude above the surface of the Earth. Assume the Earth is a homogeneous sphere of radius 6370 km and mass 5.98 × 1024 kg. The value of the universal gravitati...

**Physics**

A 3.21 kg mass attached to a light string rotates on a horizontal, frictionless table. The radius of the circle is 0.855 m, and the string can support a mass of 15.3 kg before breaking. What maximum speed can the mass have before the string breaks? Answer in units of m/s

**Physics**

A street lamp weighs 158 N. It is supported equally by two wires that form an angle of 107˚ with each other. What is the tension of each of these wires?

**Physics**

A book weighing 12 N is placed on a table. How much support force does a table exert on the book? Answer in units of N

**Physics**

a 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during this period of acceleration. Answer in units of N.

**Physics**

A 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during this period of acceleration? Answer in units of N

**Physics**

a 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during this period of acceleration. Answer in units of N.

**Physics**

A dragster and driver together have mass 929.4 kg. The dragster, starting from rest, attains a speed of 26.5 m/s in 0.55s. Assume the driver has a mass of 77.4 kg. What horizontal force does the seat exert on the driver? Answer in units of N.

**Physics**

A dragster and driver together have mass 929.4 kg. The dragster, starting from rest, attains a speed of 26.5 m/s in 0.55s. What is the size of the average force on the dragster during this time interval? Answer in units of N.

**Physics**

A dragster and driver together have mass 929.4 kg. The dragster, starting from rest, attains a speed of 26.5 m/s in 0.55s. What is the size of the average force on the dragster during this time interval? Answer in units of N.

**Physics**

A dragster and driver together have mass 929.4 kg. The dragster, starting from rest, attains a speed of 26.5 m/s in 0.55s. Find the average acceleration of the dragster during this time interval. Answer in units of m/s^2

**Physics**

A cannon ball whose barrel is angled at 40˚ from the horizontal fires a shell with a muzzle velocity of 350 m/s. What is the resultant velocity of the shell when it lands?

**Physics**

A cannon ball whose barrel is angled at 40˚ from the horizontal fires a shell with a muzzle velocity of 350 m/s. What is the horizontal and vertical component of the muzzle velocity and what is the range of the shell?

**Physics**

William Tell fired an arrow with a velocity of 100 m/s at an angle of 30˚. How long will it take to reach its highest point? Please show work

**Physics (algebra)**

Thanks Steve, taking a physics course for credit this summer, but I am going in to 9th grade and have not had trig yet. Thanks for the formula!

**English**

That building, now owned by Mrs. Bly, was once an old school. Have you read the story of Joe Louis's life? Leslie's father, Mr. Lorenzo, owns a bicycle shop downtown. Johanna, my sister, loves all forms of art.

**Physics**

Can anyone help with which formula I should use to solve this: During a head on car crash, the car is designed to slow down as its front end crumples. If a person can survive an acceleration of -33 m/s how far must the front end crumple if the car was initially traveling at 28...

**Physics**

How far do you travel if you start at 5.6 m/s and slow down at 2.5 m/s until you stop?

**Physics**

would that be the following equation: d = 1/2 (Vi + Vf)t or Vf^2=Vi^2+ 2ad

**statistics**

Use the list and calculation method to answer the following questions. Show your work at each step. 4. You draw three cards (with replacement) from a standard deck of cards. What is the probability that a. exactly one will be red: .125 + .125 + .125 = .375 b. none will be red...

**statistics**

3. A couple is planning on having four children. Assume that the probabilities of the man fathering a boy or a girl are .50 and .50, respectively. What is the probability that a. exactly two will be boys, b. fewer than two will be boys, and c. more than one will be a boy? Answ...

**statistics**

Give examples of nominal, ordinal, interval. and ratio data. Then, convert your ratio data example into interval, ordinal, and nominal scales. Measurement Scales Practice 1. Indicate the first letter (N, O, I, R) of the highest possible scale for each of the following measures...

**statistics**

Measurement Scales Practice 1. Indicate the first letter (N, O, I, R) of the highest possible scale for each of the following measures, where N is lowest and R is highest: Measure Highest Scale a. Feet of snow Interval b. Brands of carbonated soft drinks Nominal c. Class rank ...

**Criminal justice **

What are the primary modifications of the classical school made by neoclassical criminology? Define moral panic according to Stanley Cohen. Compare the concept to the disaster analogy, especially the politics of media construction of particular moral panics. In your opinion wh...

**Criminal justice**

What are the primary modifications of the classical school made by neoclassical criminology?

**Math**

$1081.30

**Calculus**

Actually it would be: f ' (t) = 0.6t + 0.6 (not t squared as the original reply showed)

**Calc BC**

Let f be the function defined by f(x)=(4x-8)/(x^2+5x-14) write an equation of the lien normal to the graph of f at x=1 how?

**intermediate value thorem**

Use intermediate value theorem to show that the polynomial function has a zero in the given interval. f(-3)= value of 0=

**Chemistry**

1. Chemists define pH as "the negative logarithm of the concentration of protons". In mathematical terms: pH = - log [H+] What is the pH of a solution whose [H+] is 0.0007 M? i got it as 7.0 i know it is wrong 2. What is the [H+] in a solution having a pOH of 6 ? isn...

**Algebra**

Find the horizontal and oblique asymptotes, if any, for the given rational function G(x)=(x^4-1)/(3x^2-3x)

**Algebra**

Find the horizontal and oblique asymptotes, if any, for the given rational function G(x)=(x^4-1)/(3x^2-3x)

**Maths**

John has some sweets to give to his friends. If he gives 4 sweets to his friends, he will need 2 more sweets. If he gives 7 sweets to each friend, he will need 17 sweets. How many friends does John have? How many sweets does John have?

**algebra**

Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 PLEASE HELP MRS. SUE!

**Math**

Solve. 10/(3x) + 4/3 = (7 + x)/2x A) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 help??

**math**

Suppose you had a slice of pizza that was cut from a 16” pizza. You measure the angle that it was cut at to be 0.6 radians. EXPLAIN how you could find the length of the crust on the slice of pizza. *

**stat probability**

At a certain college, there were 780 science majors, 320 engineering majors, and 390 business majors. If one student was selected at random, the probability that they are a business major is?

**stat probability**

An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

**stat probability**

According to an Internet posting, 65% of adults enjoy drinking soda. Choose a group of 12 adults at random. The probability that none of them enjoy drinking soda is?

**stat probability**

A coin is tossed 4 times. Find the probability that the 4th toss is a tail, given that the first 3 tosses were all heads.

**stat probability**

The number of movies shown in different theatres on Saturday morning in a small city is given in the following. x P(x) 1 0.15 2 0.20 3 0.30 4 0.10 What is the mean distribution (or expectation) of the data given above?

**stat probability**

Find the mean of the distribution shown. x 2 5 7 P(x) 0.28 0.42 0.30 What is the mean and the standard deviation of this distribution?

**stat probability**

A multiple choice quiz consists of 20 questions, each with 3 possible equally likely answers. If a student guesses at the answer to each question, then the mean number of correct answers selected by the student is?

**LBCC**

A multiple choice quiz consists of 20 questions, each with 3 possible equally likely answers. If a student guesses at the answer to each question, then the mean number of correct answers selected by the student is?

**LBCC**

Find the mean of the distribution shown. x 2 5 7 P(x) 0.28 0.42 0.30 What is the mean and the standard deviation of this distribution?

**LBCC**

The number of movies shown in different theatres on Saturday morning in a small city is given in the following. x P(x) 1 0.15 2 0.20 3 0.30 4 0.10 What is the mean distribution (or expectation) of the data given above?

**LBCC**

A coin is tossed 4 times. Find the probability that the 4th toss is a tail, given that the first 3 tosses were all heads.

**LBCC**

According to an Internet posting, 65% of adults enjoy drinking soda. Choose a group of 12 adults at random. The probability that none of them enjoy drinking soda is?

**LBCC**

An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

**LBCC**

an apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor

**LBCC**

At a certain college, there were 780 science majors, 320 engineering majors, and 390 business majors. If one student was selected at random, the probability that they are a business major is?

**Statistics**

If you draw two clubs on two consecutive draws from a standard deck of cards you win $660 otherwise you pay me $40

**Physics**

A particle P of mass 2kg is attached to one end of a light rod of length 0.5m which is free to rotate in a vertical plane about its other end.The particle describes complete circles, Given that the tension at the bottom is 5times the tension at the highest point, find spped of...

**AS machanics**

A particle P of mass 2kg is attached to one end of a light rod of length 0.5m which is free to rotate in a verticle

**phyics**

a child playing jacks bounces a super ball on tha sdewalk. The collision is elastic. Does each object have the same kinetic energy after the collision as it did before the collision?

**Math**

Steve, you are AWESOME! Thank you so much. Please explain: "If you add the first n integers, you have 1,3,6,10,15,21 We have this same sequence, starting at the 2nd term, less 1."

**Math**

It's easier to see this way: Input 1, Output 2 Input 2, Output 5 Input 3, Output 9 Input 4, Output 14 Input 5, Output 20 Input 6, Output 27

**Math**

What is the rule for this function? INPUT OUTPUT 1 2 2 5 3 9 4 14 5 20 6 27

**math problem**

1/3, 3/5,5/7,7/9,9/11,....If the pattern continues ,what is the 100th fraction in the sequence?

**science**

what are 5 types of genotypes

**Math**

An investor invested money @ 5% and $49,000 more than 3 times the amount @ 11% and the total interest earned is $43190 How much did he invest at each amount?

**geometry**

What is the area of this scalene triangle 12x 15x 9x

Pages: **1** | 2 | 3 | 4 | 5 | 6 | Next>>