# If there are 366 volumes of a book and each volume comes once a week, lets say there have been already 307 volumes out then how many weeks will it take for rest of the volumes to come out?

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### Math

If there are 366 volumes of a book and each volume comes once a week, lets say there have been already 307 volumes out then how many weeks will it take for rest of the volumes to come out? (How do I solve these type of questions?)

### Chemistry

1. You have gone back in time and are working with Dalton on a table of relative masses. Following are his data: 0.602g gas A reacts with 0.295g gas B 0.172g gas B reacts with 0.401g gas C 0.320g gas A reacts with 0.374g gas C a) Assuming simplest formulas (AB,BC,AC) construct...

### Chemistry

Is a beaker more precise in determining volume than an Erlenmayer flask??? Probably... More precise would be a graduated cylinder but if that's not an option I'd go with the beaker. See my answer to a similar question below. It all depends upon the size of each and how much ...

### Chemistry

What volume of dioxygen is required for complete combustion of 2 volumes of acetlyene gas at NTP? Ans is 5 volumes but I m not getting it....

### biochemistry

if 4 volumes of 0.1M monobasic potassium phosphate, KH2PO4, are mixed with 2 volume of 0.1 M dibasic sodium phosphate, Na2HPO4, what will be the pH of the mixture? What if 4 volumes of 0.1 M KH2PO4 are mixed with 8 volumes of 0.1 M ethanolamine base(pka=9.44) what will be pH ...

### Chem

A scientist finds that one volume of an unknown gas X combines with 2 volumes of another gas Y to form 2 volumes of a new gas with a formula XY2. What is the balanced equation?

### chemistry

draw particle diagrams that account for the fact that 2 volumes of nitric oxide gas react with 1 volume of oxygen gas to form 2 volumes of product with no leftover gas

### Geometry

One advantage of the prismoidal formula is that you can use it to A. determine volumes of figures that aren't prismoids. B. estimate the volume of solids that are combinations of other solids. C. calculate precise volumes of all prismoids. D. calculate both volume and surface ...

### Algebra

To determine the question use Frogs F and G are 5cm to cube and 40cm to cube. a. Ratio What are ratio volumes and surface areas for a frog? (The formula for figuring out this data A correlation V square=2/3 Ratio Volumes: Surface areas: b. Toxin Let us say that Frog F absorbs ...

### Algebra

To determine the question use Frogs F and G are 5cm to cube and 40cm to cube. a. Ratio What are ratio volumes and surface areas for a frog? (The formula for figuring out this data A correlation V square=2/3 Ratio Volumes: Surface areas: b. Toxin Let us say that Frog F absorbs ...

### Algebra

To determine the question use Frogs F and G are 5cm to cube and 40cm to cube. a. Ratio What are ratio volumes and surface areas for a frog? (The formula for figuring out this data A correlation V square=2/3 Ratio Volumes: Surface areas: b. Toxin Let us say that Frog F absorbs ...

### Math

To determine the question use Frogs F and G are 5cm to cube and 40cm to cube. a. Ratio What are ratio volumes and surface areas for a frog? (The formula for figuring out this data A correlation V square=2/3 Ratio Volumes: Surface areas: b. Toxin Let us say that Frog F absorbs ...

### geometry

One advantage of the prismoidal formula is that you can use it to a) calculate precise volumes of all prismoids b)calculate both volume and surface area c)determine volumes of figures that are not prismoids d)estimate the volume of solids that are combinations of other solids ...

### Chemistry

A hydrocarbon gas burned completely in O2 to give CO2 and H2O.It was found that one volume of hydrocarbon gas at STP produced two volumes of CO2 and three volumes of steam corrected at the same temperature and pressure. What is the emperical formula of this gas? Please show me...

### Algebra

A set of encyclopedia has 27 volumes. each volume is 1 3/8 inches thick. If the volumes are placed side by side, how long will the set be?

### math

[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...

### math

[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...

### math

[2 marks] Fashion One Chain Store found that t weeks after the end of a sales promotion the volume of sales was given by S(t)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...

### English

Can someone from you help me with these sentences? Which of the options are grammatical? Which are best? It's really urgent..... •She wasn't able to speak until she was... •She couldn't speak until she was •It is better to book a holiday with a travel agency (not travel ...

### Chemistry partial molar volumes

The partial molar volumes of the CCl4 and benzene are 122cm3/mol and 98.0 cm3/mol, respectively in a solution in which mole fraction of chloroform is 0.2. Calculate the volume occupied by 2.5 moles of the solution. Thank yOu.

### chemistry

Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C . Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons) with a molecular ...

### chemistry

Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C. Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons) with a molecular weight...

### Chemistry

Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol, a density of 0.660 g/mL, and a boiling point of 69C. Pentanol is an alcohol (a hydrocarbon with a "OH" group attached to one of its carbons) with a molecular weight...

### Chemistry

Procedure #1 PLEASE NOTE: Titration requires several steps in order to obtain exact results. The procedures described in this lab assume that you have already done the TITRATION TUTORIAL and are familiar with the technique. 1. Take a clean Erlenmeyer flask from the Glassware ...

### Chemistry

To neutralize a solution of NaOH and use the least volume of acid, you should select I. 1.0M HCl II. 1.0 M HC(2)H(3)O(2) III. 1.0 M H(2)SO(4) (A) I only (B) II only (C) III only (D) I and II use equal and lesser volumes. (E) I, II, and III use the same volumes of acids

### to ms.sue

Lets say you had a book you bought at the book fair for $4.99. at a book order diouloge, there was a 10 book set for $27 with one of that book in it. what should you do with that book. I don't just want to give it away, I mean like I payed for it and my dad works really hard.

### Math

Shannon opens a savings account with $50. Each week after that she deposits $8 into her account. How many weeks does it take her to save $450? A. 56.25 weeks B. 62.5 weeks C. 52 weeks D. 50 weeks Is the answer A?

### chemistry

do you think that determining the volumes of your metal samples by measuring their dimensions and calculating would be more accurate or less accurate than determinging these volumes by water displacement?

### chemistry

. Do you think that determining the volumes of your cylindrical metal samples by measuring their dimensions and calculating would be more or less accurate than determining these volumes by water displacement?

### Chemistry

The van der Waals equation for real gases recognizes that (A) the molecular atrractions between paritcles of a gas decreases the pressure exerted by the gas (B) the non-zero volumes of gas particles effectively decrease the amount of "empty space" between them (C) gas ...

### Chem

A vessel of 6.84 L in volume contains 3.61 L of pure water at 25°C. A partial pressure of 3.67 atm of CO2 is quickly injected into the space above the water. Calculate the partial pressure of carbon dioxide remaining once the solution has become saturated with the gas. Henry'...

### Math/Algebra

Does anyone have any idea on how to do this? Even just a slight idea. I can't figure it out. An 85-year-old woman in Rotorua, New Zealand, won't have to pay her library fine. A book she borrowed from the local library in 1945 was found during a move. Based on the borrowing ...

### Math

Tina lost 3 pounds on the first week of her diet. She gained a pound on the second week, and then lost 2 pounds a week during every week afterwards. She has been dieting for a total of 13 weeks. How many pounds has Tina lost in all? A. 22 pounds B. 24 pounds C. 20 pounds D. 26...

### math

If Martha read one book a week for the first week and double the number of books each week for the next 5 weeks. She would have read 32 books the sixth week. Am I correct

### chemistry

Equal volumes of 0.00150M FeCl3 and 0.00200M NaSCN were mixed together and reacted according to the equation: Fe3+ + SCN- <--> FeSCN2+ The equilibrium concentration of FeSCN 2+ was 1.40 x 10^-4 M Calclulate the equilibrium constant for the reaction. I got 55.3...is that ...

### Math

Mary made two rectangular prims figures with four-1 inch cubes. Which statement is true about the volumes and surface areas of the two figures.( there is figure A and figure B made out of four cubes but in different position ) A. The surface areas of Figures A and B are the ...

### algebra 2

You have $22 in your bank account, and you deposit $11.50 per week. Your cousin has $218 in his bank account and is withdrawing $13 per week. The graph of this problem situation intersects at x=8. What does this mean? A. In 8 weeks, you will have triple the amount of money in ...

### Chemistry

Use molar gas volumes to convert the following gas volumes to amount in moles. A) 1.5 L of carbon monoxide gas at SATP B) 21.5 L of fluorine gas at STP

### English

1. Have a swim once a week. 2. Take a swim once a week. 3. Swim once a week. ------------------ (Which expressions are correct?)

### science

calculate the following(show steps): volume of a fish tank that is 15cm by 30cm by 10cm? http://www.math.com/tables/geometry/volumes.htm

### chemistry

Could someone help me with this please? In chemistry, we did a lab in which he put brands of commerical vinegar in a microplate. We put in 10 drops of each vinegar in each plate thinger then we added 1 drop of phenolphthalein and then put in as many drops of NaOH as it took to...

### english

Carolyn was thrilled when she found out her new employer offers two ________ vacation time. a. week’s b. weeks c. weeks’ d. week

### medicine

how can i solve this?prepare 150ml of a 7.5%dextrose sol.you have D5%W and D10%W. how much of each sol. is needed? I assume the 7.5 dextrose is going to be on a w/w basis also. This is really simple, no algebra needed. Since 7.5 is halfway between 5 and 10, use equal volumes ...

### Math

A survey finds that 85% of the people asked use the local bus. 35.3% of those who use the bus use it at least once a week. 240 people took part in the survey. (a) Work out how many people say they use the bus once a week. (b) What percentage of the people surveyed use the bus ...

### Chemistry

Heyy, okay I have this question about chemistry and its driving me nuts. It feels like I am so close but am just missing something. The question is: A vessel of 6.84 L in volume contains 3.61 L of pure water at 25°C. A partial pressure of 3.67 atm of CO2 is quickly injected ...

### math

how do you convert weeks into minutes? my question is, convert 8 weeks into minutes Convert weeks to days, days to hours, hours to minutes. 8 weeks * 7 days/week * 24 hrs/day * 60 minutes/hr = ? Let's break it down. A week has 7 days. A day has 24 hours. An hour has 60 minutes...

### Math

An 85-year-old woman in Rotorua, New Zealand, won't have to pay her library fine. A book she borrowed from the local library in 1945 was found during a move. Based on the borrowing rules pasted inside the front cover of the book, the fine should have been over $6,000. However...

### Math/Algebra

Can anyone help me? An 85-year-old woman in Rotorua, New Zealand, won't have to pay her library fine. A book she borrowed from the local library in 1945 was found during a move. Based on the borrowing rules pasted inside the front cover of the book, the fine should have been ...

### Chemistry

A 30 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have been added: 30 mL, 35 mL, 36 mL, 37 mL, and 40 mL.

### Chemistry

A 30 mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have been added: 30 mL, 35 mL, 36 mL, 37 mL, and 40 mL.

### Chemistry

A 30.00 mL sample of 0.1500 M hydroazoic acid (HN3; Ka = 1.9 x 10-5) is titrated with 0.1000 M KOH. Calculate the pH after the following volumes have been added: a. 0.00 mL b. 11.25 mL c. 22.50 mL d. 33.75 mL e. 45.00 mL f. 56.25 mL

### Chemistry

Consider the titration of 30.0 mL of 0.100 M NH3 with 0.150 M HCl. calculate the pH after the following volumes of titrant have been added:(a) 0mL (b) 10.0 mL (c) 19.5 mL (d) 20.0 mL (e) 20.5 mL (f) 30 mL

### science

how would you make 500.0mL of a 0.200M NaOH solution from a 15.0 M stock NaOH solution?? I assume that you want the volumes rather than the mechanics of carrying it out? a) How many moles do you need in the 500 ml to have 0.200 M? b) What volume of 15.0 M would contain the ...

### Chemistry

Use the periodic table to answer this question. A student dissolves 24.2 g of NaCl in 500 mL of water. Another student dissolved 24.2 g of KI in 500 mL of water. Why do the two solutions have different molarities? The volumes of the solutes differ. The final volumes of ...

### Chemistry

We have been getting numerous questions like this on assignments and I can't figure them out. Its like I know that there some way connected but I can't figure it out. This is for Chemistry in highschool and its likea review and so they are not going over it but I would still ...

### Chemistry

A 30.00mL sample of 0.150M KOH is titrated with 0.125M HClO4 solution. Calculate the pH after the following volumes of acid have been added: 30.0 mL, 35.0 mL, 36.0 mL, 37.0 mL, 40.0 mL

### Chemistry

A 50 ml sample of .150M Ch3CooH is titrations with .150 M NaOh solution. Calculate the ph after the following volumes of base have been added: 49 ml, 51ml

### Chemistry

Heyy, okay I have this question about chemistry and its driving me nuts. It feels like I am so close but am just missing something. The question is: A vessel of 6.84 L in volume contains 3.61 L of pure water at 25°C. A partial pressure of 3.67 atm of CO2 is quickly injected ...

### chemistry

Hi! i'm kinda having trouble getting this.. Don't understand it really from Ca(OH)2 + 2HCl-----> CaCl2 + 2H2O How do i calculate Ca+? :You need much more information. 1) do you mean the concentration of Ca+ ion? 2) is there excess HCl? What is given? ok It was from a ...

### math

Tyrone has $60 and his sister has $135. Both get an allowance of $5 each week. Tyrone decides to save his entire allowance, but his sister spends all of hers each week plus an additional $10 each week. After how many weeks will they each have the same amount of money? Tyrone ...

### chemistry

1- A compound is 87.5% nitrogen and 12.5% hydrogen. The molecular weight of the compound is 32 g/mol. Describe the molecule referencing shape, and inter-molecular forces. 2- Gaseous butadiene, C4H6 , reacts with hydrogen gas in the presence of a platinum catalyst to form ...

### Chemistry

A 35.0 mL sample of 0.150 M acetic acid is titrated with 0.150 M NaOH solution. Calculate the pH after the following volumes of base have been added: a) 0mL, b) 17.5 mL, c) 34.5 mL, d) 35 mL I've figured out a,b, and c. But at 35 mL the moles become equal so when I plug the ...

### Chemistry

I need help i do not know how to do this problem at all. A 30.00 mL sample of 0.1500 M hydroazoic acid (HN3; Ka = 1.9 x 10-5) is titrated with 0.1000 M KOH. Calculate the pH after the following volumes have been added:

### english

30-day Money Back Guarantee Groom Co. electric shavers come with a 30-day money back guarantee. The only stipulation is that you use your new exclusively for 2 weeks to become accustomed with the product. If you are not satisfied, we will refund the amount on your receipt if ...

### english

I am reading a book called Journey Home by Yoshiko Uchida but I don't what the climax to the story is. Thank You I have not read this book, but I've read a few of the short reviews at amazon.com. Given the topic of the story and its historical nature (even though it's fiction...

### Chemistry

1. Calculate the acetylsalicylic acid concentration (in mg/mL) of aspirin solution #2 in the Procedure section. Assume that 300 mg of acetylsalicylic acid has been weighed out. 2.3. (3 pts) Calculate the acetylsalicylic acid concentrations (in mg/mL) of solutions A through E ...

### chemistry

Consider the titration of 88.0 mL of 0.150 M Ba(OH)2 by 0.600 M HCl. Calculate the pH of the resulting solution after the following volumes of HCl have been added. 0.0 ml 12 ml 31 ml 44 ml 88 ml

### chem

Consider the titration of 30.0 mL of 0.050 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added. (The Kb for NH3 is 1.8e-05.) (a) 0 mL . (b) 25.0 mL . (c) 59.0 mL . (d) 60.0 mL (e) 63.0 mL (f) 67.5 mL

### chemistry

In any chemical reaction, the quantities that are preserved are what? A. the number of moles and the volumes B. the number of molecules and the volumes C. mass and number of atoms D. mass and moles

### math

An applicant earns $9 per hour and works 40 hours per week in typical weeks. Four weeks out of the year the applicant works an extra 10 hours per week. (Any hours over 40 in a week, the applicant receives overtime pay at "time and 1/2") There are 52 weeks in a year. calculate ...

### English

I need help with this homework: Present Perfect vs Present Perfect Progressive: Choose the best answer. (In some sentences, both answers are acceptable.) 1. I’ve never (been making – made ) more than $500 a week. 2. He’s always (wanted - been wanting) to learn how to ...

### Chemistry

A 50.0 mL sample of 0.10 M pyridine, C5H5N, is titrated with 0.2 M HBr. Calculate the pH to one decimal place when the following volumes of titrant have been added. 0.00 mL a) 0ml b)17ml c)25ml d)40ml

### Algebra story problem

I need to turn this story into an algebra problem: Your cousin ears $25 per week babysitting and receives one $5 bonus. You earn $15 per week mowing lawns and $12 a week running errands. After working the same number of weeks, you have $11 more than your cousin. Write and ...

### financial Accounting

Johnson's boat yard Inc., is completing the accounting process fr he year just ended, Novembe. 30, 2010. The transactions during 2010 have been journalized and posted. The following data with respect to adjusting entries are available: On October 1,2010, Johnson paid $1,200 to...

### Math

Jill shops once a week at a store. If the mean (average) amount that she spends per week is $27.20, how much did she spend in the past 8 weeks?

### English

Can you help me remove the "to be" verbs in this sentence? I need to take out the are, have been, and to be some how. Some of the characters in the book are no exception and they have been brought up since birth to be very reserved.

### English

1. I have been there already. 2. I have already been there. 3. I was already there. 4. Already I was there. ------------------------- Are they all grammatical? Which ones are commonly used? Do we have to use the present tense or the simple past tense?

### math

The volume of a larger prism is 168 cubic cm. if the prisms are similar with a linear ratio of 3:2 what is the volume of the smaller prism? How do i figure that out? Did you learn that the volumes of similar objects are proportional to the cubes of their sides? so vol(smaller ...

### water chemistry

35.0 mL sample of 0.150 M acetic acid (HC2H3O2) (Ka = 1.8 x 10-5) is titrated with 0.150 M NaOH solution. Calculate the pH after 17.5 mL volumes of base have been added

### water chemistry

35.0mL sample of 0.150M acetic acid9HC2H3O2)(Ka=1.8*10-5) is titrated with 0.150M NaOH solution. calculate the pH AFTER 17.5 Ml volumes of base have been added.

### English

I still have a few doubts on the use of to/at/in after have been. Thank you for helping me. 1) I haven't gone out for a walk. I have already been to school (or at school) today. I haven't been to the cinema yet today. 2) I've already gone shopping online. I've already done ...

### Chemistry--DR.BOB HELP!

If 1 volume of 0.1 KH2PO4 is mixed with 2 volumes of 0.1 OHEtNH2 (pka=9.44), what will be the pH of the mixture? I know I know: HH equation

### math

Heather has $500 in her savings account. She withdraws $20 per week for gas. Write the equation heather can use to find out how many weeks it will take her to have a balance of $220

### reading

30-day Money Back Guarantee Groom Co. electric shavers come with a 30-day money back guarantee. The only stipulation is that you use your new exclusively for 2 weeks to become accustomed with the product. If you are not satisfied, we will refund the amount on your receipt if ...

### Math

Suppose you plan to save $12 per week.You have already saved $7.50.In how many weeks will you have saved at least $100?

### Pattern

Suppose you plan to save $12 per week.You have already saved $7.50.In how many weeks will you have saved at least $100?

### geometry

the volume of a larger prism is 128 cubic cm. if the prisms are similar with linear ration of 4:3, what is the volume of the smaller prism? We have a theorem that says The volumes of similar objects are proportional to the cubes of their sides. So let the volume of the smaller...

### math

Rosy has been jogging for 3 weeks. In the first week She jogged 3 days each for 4/6 of an hour. During week 2 she jogged for 3/4 of an hour on 2 days. In week 3 she jogged 4 days each for 3/5 of an hour . WRITE one expression that would show the total time she spent jogging in...

### Statistics

A specially equipped trauma emergency room at a hospital has been in operation for 40 weeks and has been used a total of 108 times. Assuming the weekly pattern of demand for this facility is poisson compute the following - probability room is not used in a given week ...

### Algerbra1

Monica and Max Gordon each want to buy a scooter. Monica has already saved $25 and plans to save $5 per week until she can buy the scooter. Max has $16 and plans to save $8 per week. How many weeks will it take Monica and Max to have saved the same amount of money? How much ...

### Statistics

Using a scatter diagram with x(age in weeks) of calves and y (weight in kg) and the info is as follows Week 1 /42kgs Week 3 /50 kgs Week 10/75 kgs Week 16/100kgs Week 26/150kgs week 36/200kgs would you estimate the linear correlation coefficient R to be positive , close to ...

### geometry-finding ratio

Ratio of the heights of two similar cones is 7/9 what is the ratio of their radii? ratio of their volumes?? TIA If they are similar, the ratio of the radaii is the same. Now consider that the volume of a cone is 1/3 PI r^2 * h So the volume ratio will have a (7/9)^2 * 7/9 ratio

### molarity

calculate the molarity of k+ in a soln prepared by adding .2L of .200M K3PO4 and 75.0mL of .5M K3PO4. assume volumes are additive. A few of steps here and more than one way to answer the problem You need to calculate the total number of moles of K3PO4 from the two volumes and ...

### Chemistry

Consider the titration of 41.5 mL of 0.213 M HCl with 0.123 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added. (Assume that all solutions are at 25°C.) (a) 0.0 mL (b) 10.0 mL (c) 40.0 mL (d) 80.0 mL (e) 100.0 mL

### Math

A clothing store ordered 300 sweaters and sold 20 of them at $100 the first week. The second week, the selling price was lowered by $10, and 40 sweaters were sold. In the third week. The selling price was lowered by another $10, and 60 sweated were sold. If the pattern ...

### chemistry

which of the following gasses will have the largest volume ( all volumes are measured at the same temperature and pressure) A) 16g of CH4 B) 34g of NH3 C) 44g of co2 D) 64g of SO2 i think the answer is C am i right

### Math

So, if Tyler has to earn $50.00 in two weeks for a gift to a friend and has already earned $18.42 so far, what equation would you use to figure out how much more money he has to earn each week?

### math

In constructing a graph that compares average water usage per household in different communities, you choose to use cubes of different sizes. If the cubes are drawn so that their volumes are proportional to the volumes of water usage in different comunities, is the resulting ...

### math

In constructing a graph that compares average water usage per household in different communities, you choose to use cubes of different sizes. If the cubes are drawn so that their volumes are proportional to the volumes of water usage in different comunities, is the resulting ...