DAN

This page lists questions and answers that were posted by visitors named DAN.

Questions

The following questions were asked by visitors named DAN.

A spring with spring constant k=100 (N/m) is at its equilibrium length. a) How much elastic potential energy is stored in the spring? b) The same spring is stretched so that it is 6.0 cm longer than its equilibrium length. How much elastic potential energ...

How Does prohibition era affect today life

Where did Prohibition Strongly take place and what were the major developments

what laws were passed because of temperance movement. Or what did the government do because of the temperance movement (Prohibition era). Thanks!

I need a thesis statement on the crimes of prohibition era

Anyone have a good informational website on temperance movement during the prohibition era.

is the temperance movement still in affect today?

Could someone help me conclude an essay on prohibition. I am writing: even though there were laws and movements for prohibition, it actually didn't work. PLEASE HELPPP!!!

(3b-2)/(b+1) = (4)- (b+2)/(b-1) The (b+2)/(b-1) is separate from the 4. the 4 isn't included in the division

factor (2x^2 - 48)

Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH. A) benzoic acid (C6H5COOH) Ka= 6.3*10^-5 for it

is there a limited amount on how much alcohol an industry can produce???

I need to end an essay on prohibition era and these are my subtopics: crimes, laws, and prohibition movements

Calculate the equivalent mass of each of the following acids. a) HC2H3O2 b) KHCO3 c) H2SO3

write the equilibrium-constant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K. (a) NaHCO3(s)<--> NaOH(s) + CO2(g) Answer: Keq = PCO2 (b)Value of the Equilibrium Constant: Please help me find B

Consider the reaction. PbCO3(s)<--> PbO(s) + CO2(g). calculate the equilibrium pressure of CO2 in the system at the following temperatures.(IN atm) (a) 270°C (b) 480°C ..... delta Hf(KJ/mol).. d.Gf(KJ/mol).. S(J/mol-K) PbCO3(s)..-699.1 .. -625.5 .. 131.0...

The Kb for ammonia (NH3) at 25°C is 1.8* 10-5. By using the value of Kb, calculate ΔG° for the equilibrium

A voltaic cell is constructed that is based on the following reaction. Sn2+(aq) + Pb(s) -> Sn(s) + Pb2+(aq) (a) If the concentration of Sn2+ in the cathode half-cell is 1.80 M and the cell generates an emf of +0.219 V, what is the concentration of Pb2+ in...

A piece of notebook paper is about 0.0032 inch thick. If you begin with a stack consisting of a single sheet and double the stack 25 times, how tall will the stack be in inches? How tall will it be in feet? (Hint: Write and solve an exponential equation t...

How do you find the average deviation from these numbers: 290 , 270 , 250 , 300 , & 290. I think their mean is 280

A solution is prepared in which a trace or small amount of Fe2+ is added to a much larger amount of solution in which the [OH-] is 1.0 x 10^-2 M. Some Fe(OH)2 precipitates. The value of Ksp for Fe(OH)2 = 8.0 x10^-10. A. Assuming that the hydroxide is 1.0...

Could someone please tell me where to find the 2008 AP Chemistry Multiple Choice for FREE ONLINE? Thank You in advance!

Could someone please tell me the following for each person in the book THE GREAT GATSBY; -Age, Work, and Major Accomplishment for: Daisy Buchanan, ------Jay Gatsby, & ------Jordan Baker

Use the solubility rules to predict whether the following substances are soluble or insoluble in water: a) K2CrO4 _______________ b) NiSO4 _______________ c) Cu(OH)2 ______________ d) Pb(C2H3O2)2 __________ e) Ag2CO3 _______________ f) Al2S3 _____________...

Write the formulas for the following substances as they would appear in a total ionic equation: a) Aqueous acetic acid b) solid lithium carbonate c) Aqueous ammonia d) Aqueous sodium dihydrogen phosphate I don't know, do we have to write the formula [like...

What does a negative value for a standard potential indicate? PLEASE HELP!!

what decided the outcome of the 2000 election??

why did the league of nations not pursue italy? Thanx!

why did the league of nations not pursue italy? Like after WW2. Did the Italians get angry because of something the league of nation did or didn't do for them ?

ln(x+5)=4 COULD YOU SHOW HOW TO SOLVE THIS STEP BY STEP. THANX!

Please could you help me predict the products of the following reactions: ( I cant figure them out) THANX in advance! 1) CaO powder is added to distilled water. 2) Acetic acid solution is added to solid sodium hydrogen carbonate. 3) Potassium permanganate...

If triangle ABC is similar to triangle DEF and the perimeter of ABC is 4 times greater than the perimeter of DEF , what is the relationship between the areas of the triangles?

A rectangle is 15 inches long and 6 inches wide. What is the area of the rectangle?

THREE QUARTERS OF A POUND OF HONEY COSTS $4 HOW MUCH HONEY WOULD YOU GET FOR $6

What is the voltage and the Gibbs Free Energy for the following reaction? (Assume standard conditions) 3Sn^2+ (aq) + 2Al (s) --> 2 Al^3+ (aq) + 3 Sn (s) Now calculate the Gibbs Free Energy for the above reaction if Sn^2+ (aq) is 0.15 and Al^3+ (aq) is 1.8

Study the scenario. The particles in some system are moving around quickly. A few minutes later, the particles are moving, on average, more slowly. How does this change in motion affect the temperature of the system?

Answers

The following answers were posted by visitors named DAN.

A 3000 POUND CAR IS PUSHED 500 FEET BY THREE BOYS, A FORCE OF 60 POUNDS IS REQUIRED TO MOVE THE CAR. HOW MUCH WORK DID THE BOYS ACCOMPLISH? HOW MUCH WORK CAN EACH BOY CLAIM IF HE DID HIS SHARE?

The head of a round piston has a pressure of 210 psi pushing down on it. The piston is 3 inches in diameter. What is the force pushing the piston down?

How much work does a 120 pound boy do in climbing to the top of the Washington Monument, a climb of 550 feet? If the climb in problem 2 takes 20 minutes, what is the average horsepower produced by the boy?

I AM IN YEAR THREE I NEED SOME HELP IN MATERIALS (SCIENCE)

2. "THEY" are the humans of Earth. The implication is that astronomers on Mars noticed the nuclear destruction of planet earth. This poem was likely written before we knew that there was no intelligent life on mars. It's meant to convey a sense of irony t...

ur answer is odd numbers welcome for noing da answer(:!!!!! WELCOME EVERYONE!!!!!

U guys r no helpp!!!!!!!!!!!!! booooooooooooooooooooooooooooooooooooooooo!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

how the organized crimes expanded and the importance of it

could u tell how?? please

........ deltaHf(KJ/mol)...... d.Gf(KJ/mol)..... d.S(J/mol-K) NaHCO3(s) -947.7...... -851.8 ......... 102.1 NaOH(s).. -425.6 ...... -379.5 ........ 64.46 CO2(g) .. -393.5 ...... -394.4 ........ 213.6 Hope that helps

THINK IT'S: 2x^2-8x=0 2x(x-4)=0 x=0 or x= 4

So do i plug in 270C in kelvin as my temp in the first formula???

i still don't get the right answer i have like 1.54*10-14

Is it 32.57 cm?

how did u get those numbers?

For Ni its -0.28V & for Fe its -.440V Is it right?

yeah i get that, and so what would you write acetic acid as, just the same?? And also thanx for explaining above

Thank you very much

CHICKEN NUGGETS = GOLDEN TAR

If anyone can help I need a iambic pentameter (10 syllables per line with 30 lines)we have to write it in 3rd person and it has to be about a student, busdriver, teacher, Janitor doesnt matter what one of those 4 examples.

YOU HAVE TO CHECK If Alice now applies QFT2n and measure, she will still get k with probability 99%. AND If she does as in the previous option, she will get k with probability 99%.