# 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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1. ### 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?)
2. ### 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...
3. ### Math

An encyclopedia set has 36 volumes. Each volume is 1 1/4 inches thick.Three volumes have already been placed on the shelf that is 30 inches long. What information is not needed to determine how many more volumes will fit on the shelf?
4. ### 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....
5. ### 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 ...
6. ### 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
7. ### 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?
8. ### 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 ...
9. ### 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 ...
10. ### 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
11. ### 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)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...
12. ### 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)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...
13. ### 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)BAekt (0t4) Where B = 50,000 and is equal to the average weekly volume of sales before the promotion. The sales ...
14. ### 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?
15. ### 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...
16. ### 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...
17. ### 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 ...
18. ### 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.
19. ### 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 ...
20. ### 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...
21. ### 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?
22. ### 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?
23. ### 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
24. ### 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 ...
25. ### 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...
26. ### 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 ...
27. ### 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'...
28. ### 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 ...
29. ### Chemistry HELP!!

Can you identify a metal if you know its density? Explain Do you think that determining the volumes of metal samples by measuring their dimensions and calculating would be more r less accurate than determining volumes by water displacement? Explain. Would measuring the ...
30. ### Chemistry

What combination of volumes (ml) of C2H4 and O2 are required to obtain 400ml of CO2? All volumes are measured at STP. 1. 100,300 2. 200,600 3. 200,200 4. 300,300
31. ### 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 ...
32. ### 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 ...
33. ### 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 ...
34. ### 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 ...
35. ### 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 ...
36. ### 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 ...

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 ...
38. ### 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
39. ### 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
40. ### Biology

Which pulmonary volumes would change during exercise and which will not? Explain how AND why they would change. 1.) Tidal Volume 2.) Inspiratory Reserve Volume 3.) Expiratory Reserve Volume 4.) Residual Volume Thanks for the help Since this is not my area of expertise, I ...
41. ### 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 ...
42. ### Gr 11 Biology

if you were a snoker, what lung volumes (tidal volume, expiratory reserve volume or vital capacity) would be most affected? i think the answer would be the expiratory reserve volume
43. ### 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 ...
44. ### 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 ...
45. ### 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 ...
46. ### 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 ...
47. ### 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
48. ### Calculus ll - Volumes

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. y=e^(-x), y=1, x=2; about y=2.
49. ### chemistry

Assuming that the volumes are additive, what volume of water must be added to 35.0mL of 23.0 M HCl to make a solution which is 3.00 M?
50. ### maths

For a certain year, a ski resort averaged d dollars per week in receipts for its 20-week season. If the resort was closed for w weeks during the season because of lack of snow and earned no money during those weeks, how much money did it earn per week, on the average, during ...
51. ### Physical Chemistry2

One mole of a van der Waals gas with a=15.0 l^2 atm mol^−2 and b=0.015 l mol^−1 is expanded reversibly and isothermally from 1 atm to 0.5 atm at a temperature of 300 K. Calculate w for this process, and compare it with that required to expand an ideal gas between ...
52. ### 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.
53. ### chemistry

A mixture of 3.00 volumes of H2 and 1.00 volume of N2 reacts at 344 C to form ammonia. The equilibrium mixture at 110.0 atm contains 47.00 % NH3 by volume. Calculate Kp for the reaction, assuming that the gases behave ideally.
54. ### chemistry

What volume of water was added to the 350 mL of NaOH solution? Assume volumes are additive. Answer in units of mL
55. ### AP Chemistry

What volume of water was added to the 350 mL of NaOH solution? Assume volumes are additive. Answer in units of mL
56. ### 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...
57. ### 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?
58. ### Organic Chemistry

An impure sample contains 0.95g of benzoic acid and 0.05 of salicylic acid. Solubilities in water of the two compounds are given in the following table. Solubility at 20 degrees (g/10mL) benzoic acid: 0.029 salicylic acid: 0.22 Solubility at 100 degrees (g/10mL) benzoic acid: ...
59. ### 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 ...
60. ### chemistry/ molarity, molality

A solution is made by mixing 20.0 mL of C6H5CH3, d=.867g/mL, with 140.0mL of C6H6, d=.874g/mL. assuming that the volumes add upon mixing, what is the molarity? what is the molality? i know that molarity= moles/L and molality= moles sol/kg solvent... but im not sure which ...
61. ### volumes of prisms

How do the volume of prisms compare as the number of faces in the prisms increases? Does the volume remain the same? Explain Please!
62. ### calc volumes

the basse of a solid S is the region enclosed by the graph of y=square root (ln x), the line x=e, and the x-axis. if the cross sections of S perpendicular to the x-axis are squares, then the volume of S is. how do i find the side of the squares. because i got square root(lnx) ...
63. ### 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 ...

Robert borrowed \$750 from his parents to make some repairs on his car. He promised to repay the loan by giving his parents at least \$67 from his paycheck each week. Assuming Robert sticks to his promise, which of the following is not a possible scenario for the amount of debt ...
65. ### Science

Equal volumes of three liquids of densities ρ1,ρ2 and ρ3 , specific heat capacities c1,c2 and c3 and temperatures, t1,t2 and t3 respectively are mixed together , What is the temperature of the mixture ? Assume no change in volume on mixing
66. ### english

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

If both the radius of the base and the altitude of a cone is doubled, what is the change to the volume of the cone?
68. ### Calculus

Find the volume of the solid by subtracting two volumes, the solid enclosed by the parabolic cylinders y = 1 - x 2, y = x 2 - 1 and the planes x + y + z = 2, 6x + y - z + 16 = 0.
69. ### chemistry

0.10 mol of molecule A is added to 1.0 mol pf molecule B.The initial volume of B was 1.1L and the final volume of the solution is 1.039L. Assuming that the partial molar volume of B is exactly 50% greater than that of A, find the partial molar volumes of both A and B.
70. ### 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
71. ### 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
72. ### 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...
73. ### Quantatative Analysis

"what volume of .50 m h2so4 must be added to 65 ml of .20 m h2so4 to give a final solution of .35 M? assume volumes are additive"
74. ### math

what total amount is greater: \$3.00 tripling each week for 4 weeks or \$4.00, quadrupling each week for 3 weeks
75. ### 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 ...
76. ### Maths

The ratio of the volume of water in Jug A to the volume of water in Jug B is 2:5. A.) If half of the water in Jug A is poured into Jug B, what is the new ratio of the volumes of water in Jug A to Jug B? B.) If half of the water in Jug B is poured into Jug A, what is the new ...
77. ### 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 ...
78. ### 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 ...
79. ### Physical Chemistry

"Liquids A and B, which have identical molar volumes, are mixed together in equal volumes to form a 75 mL mixture. The liquids are partially miscible and the mixture phase separates into an upper phase with a composition xA=0.45 and a lower phase with a composition xA=0.82. ...
80. ### Chemistry

Suppose that 1.048 g of benzene is combusted in a bomb calorimeter which contains 945 g of water. The temperature of the water increases from 23.640 OC to 32.681 oC. The heat capacity of the empty calorimeter is 891 J/ OC . C6H6 (l) + 15/2 O2 (g) > 3 H2O (l) + 6 CO2 (g) (a...
81. ### Chemistry

You know how when you do calculations for the enhaloy change of a reaction you start sort of like this?: NH3(aq) + HCl(aq) → NH4Cl(aq) 25 mL 25 mL 1.0 mol/L 1.0 mol/L n = c x v = 1 mol/L x 0.025L = 0.025 mol How come you only need the moles of one of the reactants? I ...
82. ### 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...
83. ### Chemistry

What volume of 0.149 M HCl must be added to 1.00x10^2 mL of 0.285 M HCl so that the resulting solution has a molarity of 0.205 M? Assume that the volumes are additive.
84. ### Biology

You have a bacterial suspension and you need to dilute it to 0.0010 of the initial concentration so that you can determine the number of colonies per milliliter. The volumes must be between 0.1 and 2 ml. Your final volume must be 1 milliliter.
85. ### chemistry

What volume of WATER MUST BE ADDED to 10.0 mL of 6.0 M NaOH to make a solution that is 0.30 M in NaOH? Assume that the volumes are additive. a. 10 mL b. 190 mL c. 200 mL d. 210 mL e. 500 mL
86. ### 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 ...
87. ### proportion and percentages problems

in 12 weeks a boy`s wages came to £396.00. How much does he earn in a 1 week b 9 weeks c 25 weeks thank you:D
88. ### 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 ...
89. ### 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...
90. ### science

what connections can you identify between the metric units for length and volume? Go to: http://members.aol.com/profchm/metric.html Scroll down to: Measurement of Fluid Volumes
91. ### Physics

What is the ratio of the volumes for two black holes whose masses are 20 and 10 times the mass of the Sun, respectively? Assume the ’event horizon’ deﬁnes the edge of each black hole’s ’volume’
92. ### Math

Calculate the amount of fluorescein (MW 332.31) you will need to make 10 mL of 15 mM solution in ethanol (EtOH). My answer:0.05 g 2.Using Equation C1V1=C2V2 calculate the volume of stock solution (15 mM) you need to make 1 mL of each working solution concentration: 0 mM and 0....
93. ### Biology

In a lab on lung capacity where lung volumes (Tidal Volume, Expiratory Reserve Volume, Inspiratory Capacity, Inspiratory Reserve Volume, and Vital Capacity) are measured... Why can't you measure the Inspiratory Reserve Volume (IRV) directly? (In the procedure it says to do IRV...
94. ### Biology

In a lab on lung capacity where lung volumes (Tidal Volume, Expiratory Reserve Volume, Inspiratory Capacity, Inspiratory Reserve Volume, and Vital Capacity) are measured... Why can't you measure the Inspiratory Reserve Volume (IRV) directly? (In the procedure it says to do IRV...
95. ### MATH HELP: Volumes of Pyramids and Cones

This is my last question in Math. :p 9. Find the volume of a rectangular prism with the following dimensions: Length = 5 mm Base = 7 mm Height = 3 mm a. 142 mm^3 b. 105 mm^3 c. 126 mm^3 d. 130 mm^3
96. ### Chemistry

A weak acid HA (pka=6.00) was titrated with 1.00M NaOh. The acid solution had a volume of 100ml and a concentration of .100M. Find the pH at the following volumes of added base. Vb=20ml
97. ### CHEMISTRY 1B

A student finds that k = 0.0027 L/mol · s, and m and n are both 1. Calculate the expected rate if 6.0 mL of 0.10 M [S2O82− ] is mixed with 4.0 mL of 0.20 M [I − ]. Assume the final volume of the solution is 10.0 mL. I used the given molarities and ...
98. ### Geometry

24. If the scale factor of two similar solids is 4:17, what is the ratio of their corresponding areas and volumes? (1 point) 4:289 and 17:4,913 8:34 and 12:51 16:289 and 64:4,913 64:4,913 and 16:289 25. The volumes of two similar solids are 1,728 m3 and 343 m3. The surface ...
99. ### statistics

The volumes of soda in quart soda bottles are normally distributed with a mean of 32.3 oz and a standard deviation of 1.2 oz. What is the probability that the volume of soda in a randomly selected bottle will be less than 32 oz?
100. ### Alegebra 2

write an expression for the sum of your earnings for 3 weeks and your friends earnings for 2 weeks if you each work r hours per week and your friend received \$15.00 in tips per week