Answers by visitors named: S

i have %composition and absorbance.

its that all??

the numbers vary a lot. like some of the numbers are .004 and some are 1999. how would you graph that big of a difference?? and it asks questions like at what wavelength was the absorbance the greatest but for the color red i recorded the absorbance to be 1999 at 6 different wavelengths. so i don't know what to do.

thanks

since there are 10.00 moles of sulfur trioxide, shouldn't the initial concentration of SO3 = 5.00 M? (you have it posted as O2 = 5.00 M) And for part b, I'm having problems on letter iii. I don't understand how the equilibrium constant would be affected by temperature. Would the constant increase because the molecules move faster in a raised temperature, causing more production of SO3?

so since K= products/reactants, K will get smaller?

I definitely understand this concept better now. Thank you so much for your help!

The answer is c) ns^2 np^5 I know this because in addition to the explanations posted, above I just did this for my chemistry homework. I'm guessing you also have Mastering Chemistry?

which type of exercise is weight lifting? A.aerobic, B.yoga, C.boxing, D.kicking. A is the answer right!

2x-10=2

Macbeth sorry

The information pertaining to this question is undoubtedly in your text.

Perhaps the business that I will work for in the future...

I think that the similarities in rational expressions and fractions are very similar in functions. The need to utilize common denominator and find the LCD is relatively the same. The factoring process between the two is similar, but the difference is in the use of x’s and y’s within the expression. It is easier to just use numbers, but we are forced to use the little x’s and y’s in algebra.

Yeah , like how do you answer the third question . I don't get it .

6.25

B. BC..right?

how many grams of KCl must be used to prepare 400g of 5.00wt%solution?

I hope you realize by doing this you are helping students taking online calculus cheat on their test, as this is direct content from the test under Unit 6 Activity 9.

Thank You I am still having writers block writing an intro and conclusion, any ideas of things I can put in would be appreciated.

I have written most of the paper. The thesis is Socrates is depicted differently in Plato's dialogue and Aristophanes' Clouds in terms of the education he provides and his beliefs.

i meant Socrates not Sorates, sorry.

821213 4243 __________ Place the numbers like this then solve 821213*3, then go on to the next line and place a 0 under the last number of your previous answer, then solve it for 821213*4, then under this add two 0s and solve it for the 2, then three 0s underneath that and solve it for the 4. Then add all your answers together to get your final answer.

asking about a halfway number is irrelavent?

false

2174111 KPa or 21.47 atm

is the answer 24?

Wouldn't I just leave the answer as 0.0003 moles since the question is asking for the amount of the moles of the iron ion Fe +3 ? :) That's when I got confused.

Thanks so much for your feedback! :)

Thanks so much for the feedback! I think I figured the answers out! :) Molarity = 0.161 M Molality = 1.74 m Mole Fraction = 1.57E-4 moles NH4Cl

Made a mistake. ****Mole Fraction = 0.0303 moles NH4CL

That's not true. 0 isn't equal to 16. & It isn't greater than 16.

3 ft = 1 yd So, 2355 ft/3ft = 785 yd

10 total marbles 3/10 red 1/9 white (since the marble isn't replaced) So, 3/10 x 1/9 = 1/30

Is this the correct way to set it up & solve for the problem? [OH-] = 10^-11.63 [OH-] = 2.34E-12 I wasn't sure if it was the same set up as it is for the hydronium ion.

Okay, thanks so much for your help!! :)

Thank you for the answer! Cash should be (600*4)+11000 not "10,000" I got rent expense without dividing by the term, so that's the total off all payments considering the annual increase. Defferred Rent Expense = Rent expense - Cash

Sorry, for the mistake I made in the above post, here is the solution. Hope my calculation is correct but this is the right formula that needs to be used. The JE for 2013 mentioned above is correct; however for 2023 the JE should be: Dr. Rent Expense Dr. Defferred Rent Expense Payable Cr. Cash December 31, 2013: Rent expense ($11,000 + [$600 × 20 ÷ 2])* = $17,000 Cash ($11,000 + [$600 × 4]) = $13,400 December 31, 2023: Rent expense ($11,000 + [$600 × 20 ÷ 2]) * = $17000 Cash ($11,000 + [$600 × 14]) = $19,400 * This is the average rent over the 20-year period. Also: (Beg. Rent $8,500 + Ending Rent $20,500) ÷ 2

Identify whether the italicized words in the sentences below are used as participles or verbs. She’s an EXPERIENCED chef; she should have no trouble finding work. participle or verb? I would say participle.

THANK U VERY MUCH ODESA...THAT WAS ACCURATE FORMULA..

She needs the polynomial... it isn't hard to figure out the 50%

Many gramatical errors.

1.15*10^15

for part 4 (rho_2*g*L^2)/(4*E_1)+(rho_2*g*L^2)/(8*E_2)

for problem 1,part 4 (rho_2*g*L^2)/(4*E_1)+(rho_2*g*L^2)/(8*E_2)

susie, is b correct?

I like cheese K K K L ☆*:.｡. o(≧▽≦)o .｡.:*☆

Thank you! I tried to solve it like this: x^2 + 2y^2 = 8 ( x^2 - y^2 = 1 )2 x^2 + 2y^2 = 8 2x^2 - 2y^2 = 2 3x^2 = 10 x^2 = 10/3 x = ±√(10/3) Any idea as to why my textbook would say that the solution is ±√(30/3)?

I figured it out. No fraction can appear under a radical.

Not 4; it is an independent variable. I think it is 5 and 6, as the plant that benefits more (either from vinegar or tap water) will have more germinated seeds and the length of the root will increase.

Should say absorbancy *, A, was plotted.. My phone autocorrected the word.

Thank you I also was wondering about my answer for this question. *Climbing so slowly they seem immobile* is how sloths spend their days. A. Prepositional Phrase B. Gerund Phrase C. Participial Phrase D. Appositive Phrase My answer is A. Am not sure if it's right or not.

Oh okay I get it now. Thank you. :)

I have checked some of these sites and while it gives me the pros and cons, I don't see a reason why or how implementing this program will affect us economically?

If r = 12.5 and s = |−13|, which of the following inequalities is not true? A) r ≠ s B) r < s C) r ≥ s D) r ≤ s

Rate= interest / principal*time interest = 15 Principal =100 Time is 2/52 (2 weeks/ 52 weeks/year) 15/(100*2/52)= 3.90 3.90*100 = 390%

Phil is right, the answer is B

thanks Demon

Thank you Dr. Bob

thank you very much Damon. It is much clear now, since u explained it step by step.

Damon, I honestly want to thank you for your precious efforts in helping students. I have a question regarding the equations you've set above. Could you clarify how to find FB please?

and theta is between 0< theta< 2 pi

I figured this out.. So basically you find the acceleration first V-Vo/t= 59.4-0/14.1 = 4.21m/s2 then, you find the apparent weight by multiplying 66.7*(9.8 + 4.21)= 934.47N

sorry I solved part C, I need help with a and b pls.

ok I got the answer: a) Vf1=(m1-m2/m1+m2)*(Vi1) B) Vf2=[(2(m1)/m1+m2](Vi1)

As far as I know, Delta T means the difference in temperature. T final- T initial.

Thanks a lot Damon!

Thank you Don. A great way of clarifying through the steps, very detail oriented. Thanks again!

I was able to solve this problem at firs, use the equation V=sqrt(R g tan theta) since you have two angles you will need to separate the equation into 2 Va= sqrt(r g tan a theta) Vb= sqrt (r g tan b theta) then solve for Vb Vb/Va= sqrt(r g tanb )/ sqrt(r g tan a theta) r and g will cross out therefore, Vb= sqrt( tan b theta)/ sqrt(tan a theta)* Va So the answer should be: Vb= sqrt tan 15.2/ sqrt tan 11.2* 14.5 vb= 16.99 m/s or 17 m/s

it is aggression, you can't kick others, take it from that principle.

yes, it is B

Got it: reasoning and solution.. the normal force exerted by the wall on each astronaut is the centripetal force needed to keep him in the circular path so, Fc=mv^2/r. rearranging and letting Fc=(1/3)mg yields r=3v^2/g= 3(29.1m/s)^2/(9.8m/s^2)=259m

got it, a) the stress is F/A= mg/A = 156(9.8)/7.44*10^-4= 2.05*10^6 N/m^2 B) F=S(delta y/ Lo)A,, solve for delta y delta y= (F/A)*(Lo/S) the value of F/A was found in part a, so substitute the answer in the second equation. 2.05*10^6(0.117/8.1*10^10)=2.96*10^-6m

212 seata

7.5 is the answer it's 0.15*50 = 7.5

plus 30 is more than half which is 25 so disregard the other way.

sorry! wrong calculation.

.003

x=4 gives inclination=k=1 in y=kx+m. It also states that m=4. y=x+4

273.15°K is 0°C. Go from there to 232°C and its where tin melts. Conversion from °C to °K °K = °C + 273.15

x=number of mystery books. 3x=total number of books on the shelf. x/5<10<x/4 is given. Get rid of the fifths and quarters by multiplying by 20. 4x<200<5x --> 40<x<50. The number of mystery books is anything between 40 and 50, multiply by 3 and you have your total.

The inverse of a 2x2 matrix is given by: A=[a b A^1=1/ad-bc[d -b c d]. -c a]. If these two multiplied by each other gives the "identity matrix": [1 0 0 1]. then the inverse exists.

2. mean 50, variance 25

Can someone answer this: 1) too high, B) too low or C) unaffected. In each case, explain how this result occurs a) after removing the flask from the water bath, the experimenter cools the flask to room temperature but does not dry it. The calculated molar mass will be: A) B) C) b) the flask is removed form the water bath containing vapor only, the experimenter cools the flask to room temperature and some vapour condenses inside the flask. The calculated molar mass will be: A) B) C) c) the flask volume is not measured; instead the experimenter assumes the flask volume to be exactly 125.00mL. The calculated molar mass will be: A) B) C) d) From the time the mass of the unused flask assembly (flask, foil, and elastic band) is recorded the flask is handled several times with oily fingers. The calculated molar mass will be: A) B) C)

This is just a question on my chem lab which is determining the molar mass of a volatile liquid. i don't understand how to answer this question, esp with the reasoning that has to be provided. help for this would greatly be appreciated!

(Ans. (a) ∆U = ∆H = 0; q = 1.57KJ, w = −1.57KJ, (b) ∆U = ∆H = 0; q = 1.13KJ, w = −1.13KJ, (c) ∆U = ∆H = 0; q = 0, w = 0.)

the ratio of the length to the width of a rectangular field is 3 to 2, if the field is 120 yards long, how wide is the field.

What is SEm??

Nevermind, thanks for the help!

Shawn

Anna is correct I got a 5/5

answers can be: 27.4, 13.2, 14.2, 11.42, 0.5 (all are N)

help pls

Yea they wrong very

so 14m/s?

so is it 196 or 191J?

998114 N

Uh the answer is 48 for how many angelfish there are and the other answer is 36 for goldfish.