K

Most popular questions and responses by K
1. CHEM

Help on part "c": The forensic technician at a crime scene has just prepared a luminol stock solution by adding 19.0g of luminol into a total volume of 75.0mL of H2O. a)What is the molarity of the stock solution of luminol? anwer I got: molarity of luminol

asked on October 18, 2007
2. CHEM

What are the expected bond angles in ICl4+ (or) ICl_4^+ ?? I think that I have the stucture drawn correcty: I is the central atom with one lone pair above it. I then have the Cl's with 6dots around them & then bonded, singly, to the "I". Two "Cl's" go

asked on November 26, 2007
3. Chemistry

The Hydrolysis Reactions - Write net-ionic equations for the reaction of each salt with water below. If there is no reaction, write N.R. 1. NH4C2H3O2 2. NH4Cl 3. NaCl 4. Na2CO3 5. NaC2H3O2 6. NaHSO4 7. FeCl3 8. NaH2PO4 9. NaHCO3

asked on April 30, 2011
4. **CHEM**

Arrange the following elements in order of decreasing atomic radius: Cs, Sb, S, Pb, Se *(list from largest to smallest...or..."the correct ranking cannot be determined") ***I think the answer 'should be', from largest to smallest: ***Cs, Pb, Sb, Se,

asked on November 13, 2007
5. Math

How did the Hunter get hurt while benind over to study some tracks? Algebra with Pizzazz! pg 123 OBJECTIVE: to divide a polynomial by a binomial EX: (x^2+8x+150/(x+5)

asked on January 2, 2011
6. CHEM-last part prob.

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) + 3Cl2(g) -> 2AlCl3(s) You are given 19.0g of aluminum and 24.0g of chlorine gas. a)If you had excess chlorine, how many moles of of aluminum chloride could be

asked on October 16, 2007
7. Science

suppose that a population of skunks lives on an isolated island is 500 skunks are present today and the birth rate is 65 per week and the death is 47 per week how many skunks to you predict will be on the island 105 days from now and what would a graph

asked on December 22, 2013
8. CHEM

The electron from a hydrogen atom drops from an excited state into the ground state. When an electron drops into a lower-energy orbital, energy is released in the form of electromagnetic radiation. Part A: How much energy does the electron have initially

asked on November 4, 2007
9. CHEM

The mass of a golf ball is 45.9g. If it leaves the tee with a speed of 72.0 m/s, what is its corresponding wavelength? Express your answer numerically in meters. Would the correct answer be: lambda=h/mv lambda=6.626*10^-34/(45.9g)(72.0m/s)

asked on November 5, 2007
10. CHEM

For a molecule of fluorous acid, the atoms are arranged as HOFO. What is the formal charge on each of the atoms? Enter the formal charges in the same order as the atoms are listed. For this question I tried entering: +1,-2,+3,-2 and it was wrong...as was:

asked on November 26, 2007
11. CHEM

Which statement best describes the polarity of SF_4Cl_2?? (or: SF4Cl2, if that helps more) 1. Always polar. 2. Always nonpolar. 3. Depending on the arrangement of outer atoms, this molecule could be polar or nonpolar. & how can you tell for certain??? I

asked on November 26, 2007
12. CHEM

My balanced equation is: a) 2C8H18(g) + 25O2(g) -> 16CO2(g) + 18H2O(g) b) 0.290 mol of octane is allowed to react with 0.670mol of oxygen. Which is the limiting reactant? (((Which I found Oxygen to be the limiting reactant.))) I do not understant how to

asked on October 15, 2007
13. English

"The sun was shining on the sea, Shining with all his might: He did his very best to make The billows smooth and bright — And this was odd because it was The middle of the night. The moon was shining sulkily, Because she thought the sun Had got no

asked on March 7, 2017
14. CHEM

What is the hybridization of the central atom in COH2?? Would the correct response, out of the following: a) sp b) sp^2 c) sp^3 d) sp^3d e) sp^3d^2 "e"-> sp^3d^2??

asked on November 26, 2007
15. Physics 221

A 20g particle is moving to the left at 30 m/s. How much net work must be done on the particle to cause it to move to the right at 30 m/s. The answer is 0J of work, and i understand the method of equations, but i don't understand the logic behind it.

asked on December 8, 2009
16. CHEM

A) a picture shows a container that is sealed at the top by a movable piston. Inside the container is a ideal gas at 1.00atm , 20.0 *C, and 1.00L. (The pic is of a 2L container which has a piston pushed downward to the 1L level. Under the piston, under the

asked on October 28, 2007
17. CHEM

You are a researcher for a golf club manufacturer. You are given two identical looking cubes of a metal alloy. You are informed that they are made of the exact same material, but one is a crystalline, while the other is amorphous. It is your job to

asked on November 28, 2007
18. CHEM

A cylinder with a movable piston contains 2.00g of helium, He, at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the

asked on October 28, 2007
19. CHEM

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) + 3Cl2(g) -> 2AlCl3(s) You are given 19.0g of aluminum and 24.0g of chlorine gas. a)If you had excess chlorine, how many moles of of aluminum chloride could be

asked on October 15, 2007
20. Math

If m< 1=53 , what is m

asked on February 25, 2016
21. physics

For the next part, you will need to know that the position d of an object attached to a spring that oscillates with period T=1.0s is a sinusoidal function of time: d=kcos(2πt)d=kcos(2πt) for some constant k. Assume that the initial position of the object

asked on March 30, 2016
22. physics

Two rock climbers, Bill and Karen, use safety ropes of similar length. Karen's rope is more elastic, called a dynamic rope by climbers. Bill has a static rope, not recommended for safety purposes in pro climbing. Karen falls freely about 1.7 m and then the

asked on December 12, 2009
23. chem

Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.0cm on each side. After you carefully lower each cube into the water of its

asked on September 1, 2014
24. algebra

what did the ape think of the grape's house?

asked on January 18, 2010
25. PHYSICS!!!

The Venturi tube shown in the figure below may be used as a fluid flowmeter. Suppose the device is used at a service station to measure the flow rate of gasoline (ñ = 7.00 102 kg/m3) through a hose having an outlet radius of 2.72 cm. The difference in

asked on November 11, 2012
26. Mathss

Item 20 A bathtub is draining at a constant rate. After 2 minutes, it holds 28 gallons of water. Three minutes later, it holds 7 gallons of water. Write an equation that represents the number y of gallons of water in the tub after x minutes.

asked on December 7, 2017
27. Physics

You can shoot an arrow straight up so that it reaches the top of a 25-m-t building. (a) How far will the arrow travel of you shoot it horizontally while pulling the bow in the same way? The arrow starts 1.45 m above the ground.(b) Where do you need to put

asked on October 10, 2015
28. chemistry

The rate constant for this first-order reaction is 0.0570 s–1 at 400 °C. A-->Products After how many seconds will 14.0% of the reactant remain?

asked on March 23, 2012
29. American Government

I need help on my American Government quiz.. Not looking for answers but for someone to see if mine are right, and if not, to help me out. Thanks! 1. When categorizing the Executive Offices of the President, what can you assume when noting the number of

asked on November 14, 2016
30. Chemistry

The combustion of how many moles of ethane would be required to heat 838 grams of water from 25.0 to 93.0 degrees C? Assume liquid water is formed during the combustion.

asked on November 2, 2012
31. Chemistry

Determine Kc for the following reaction: 1/2N2(g) + 1/2O2(g)+ 1/2Br(g) NOBr(g) from the following information (at 298K) 2No(g) N2(g) + O2(g) Kc = 2.1x10^30 NO(g) + 1/2Br2(g) NOBr(g) Kc = 1.4

asked on May 25, 2011
32. CHEM

A scientist wants to make a solution of tribasic sodium phosphate,Na3PO4 , for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 575mL of a solution that has a concentration of Na^+ ions of 1.40 M? Answer: mass of Na3PO4 = _____

asked on October 15, 2007
33. Physics

Three uniform spheres are located at the corners of an equilateral triangle. Each side of the triangle has a length of 2.50 m. Two of the spheres have a mass of 4.40 kg each. The third sphere (mass unknown) is released from rest. Considering only the

asked on February 23, 2016
34. PHYSICS!!!

A pipe carrying 20°C water has a diameter of 3.6 cm. Estimate the maximum flow speed if the flow must be streamline. Answer in cm/s

asked on November 11, 2012
35. O.CHEM -> PLEASE CHECK!!

Arrange the compounds in the order of increasing boiling point ***(LOWEST first): 1) H3C-O-CH3 2) H2O 3) CH3CH2OH 4) CH3CH2SH I think the order should be: #1, 4, 3, 2 Arrange the following in order of increasing rate of reactivity with conc.HBr ***(LEAST

asked on March 12, 2008
36. Trig

An airplane is flying on a compass heading (bearing) of 340 degrees at 325 mph. A wind is blowing with the bearing 320 degrees at 40 mph. Find the component form of the velocity of the airplane. then find the actual ground speed and direction of the plane

asked on December 17, 2010
37. chemistry (DrBob222)

A student fails to fill the cuvette 2/3 full with the reaction mixture ( CV+ and OH-). What effect does this error have on the measured absorbance values? Thank you :)

asked on October 9, 2013
38. Chemistry

How many oxygen atoms are in a) 3.21 x 10^22 molecules CH3OH b) .250 mol C6H12O6 Is it a) 3.21 x 10^22 atoms b) 9.03 x 10^23 atoms

asked on May 19, 2013
39. CHEM - PLS help!!

What would the equation look like if you added bromine (Br) in the presence of CH2Cl2 (Dichloromethane) to cyclohexanol (C_6H_11 OH). Would the solution become saturated or not??? What would the colour change be...if any?? Would a precipitate be formed??

asked on February 25, 2008
40. CHEM

Rhodium has density of 12.41g/cc and crystallizes with the face-centered cubic unit cell. Calculate the radius of a rhodium atom. xpress your answer using four significant figures. For this question I tried to calculate backwards from a previous question I

asked on December 3, 2007
41. Physics

A 1.0 x 10^3 kg elevator carries a maximum load of 800.0 kg. A constant frictional force of 4.0 x 10^3 N retards the elevator's motion upward. What minimum power, in kilowatts, must the motor deliver to lift the fully loaded elevator at a constant speed of

asked on July 7, 2013
42. CHEM

Could someone please tell me if I am correct on the following???: Pick the larger species from each of the following pairs. Sr or Sr^2+ *(I think it is Sr) N or N^3- *(I think it is N^3-) Ni or Ni^2+ *(I think it is Ni) S^2- or Ca^2+ *(I think it is S^2-)

asked on November 13, 2007
43. Chemistry(DrBob222)

So, i did this lab, a solubility and thermodynamics lab of KNO3, and in it we had to determine the delta h delta g and delta s, the question i have is what is the relationship of the signs delta h, delta s, and delta g, to the dissociation of the salt and

asked on December 9, 2013

Oprah Winfrey ha closed on a 42- acre estate near Santa Barbara California for \$50,000,000 If Oprah puts down 20% down and finances at 7% for 30 years what would be her monthly pay payment.

asked on March 21, 2013
45. calculus

three bowls are filled to a depth of four units. a paraboloid, z=x^2 +y^2 for 0

asked on January 29, 2013
46. social studies

what resource first drew european traders to canada? AND I WANT THE RIGHT ANSWER!

asked on October 12, 2015
47. chemistry

A sample of co2 occupies 6.00l at 25c and 700. MmHg. What is the volume of the gas at stp

asked on December 21, 2014
48. math

Tim needs to fill 3 20L barrels with oil. Oil dispenser flows at 100ml/s . How long to fill up 3 barrels. Please help by showing all steps so I can understand how the answer was determined. Thanks!

asked on October 2, 2015
49. math

what is 2+2x(23/45)/23?

asked on February 26, 2019
50. chemistry

A solution is 40% acetic acid by mass. The density of this solution is 1.049 g/mL. Calculate the mass of pure acetic acid in 170 mL of this solution at 20 C. Answer in units of g The density of a solution of sulfuric acid is 1.29 g/cm3 and it is 38.1% acid

asked on September 2, 2013
51. Chemistry

A 0.0677g sample of magnesium metal reacted with excess hydrochloric acid to produce 69.9 ml of hydrogen gas. The gas was collected over water at 21.0 degrees Celsius. The levels of water inside and outside the gas collecting tube is identical. The water

asked on February 10, 2011
52. Chemistry - acid base

What volume of 10.0 M NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCl? ( Tris. At 25 ∘C, Tris has a pKb of 5.91 ) a) The buffer from Part A is diluted to 1.00 L. To half of it (500. mL), you add 0.0250 mol of hydrogen ions

asked on March 9, 2018
53. math

Indicate whether the following statement is true or false. If a figure can be translated, then it will tessellate. I say false am I right?

asked on May 19, 2014
54. Chem; States of Matter

To an insulated container with 100.0 g H2O (l) at 20.0 degrees C, 175 g steam at 100.0 degrees C and 1.65 kg of ice at 0.0 degrees C are added. a) What mass of ice remains unmelted after equilibrium is reached? b) what additional mass of steam should be

asked on February 11, 2014
55. economincs

The price elasticity of demand for imported whiskey is estimated to be −0.20 over a wide interval of prices. The federal government decides to raise the import tariff on foreign whiskey, causing its price to rise by 20 percent. a. Will the quantity

asked on February 27, 2013
56. physics

A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from the window does it land?

asked on October 28, 2013
57. History

How are religion and culture connected? (Essay)

asked on October 9, 2017
58. Chemistry

Sodium azide (NaN3) yields N2 gas when heated to 300 degrees Celsius , a reaction used in automobile airbags. If 1.00 mol of N2 has a volume of 47.0 liters under the reaction conditions , how many liters of gas can be formed by heating 35g of NaN3? The

asked on March 3, 2013
59. chemistry

A patient has 0.050 L of blood drawn and this volume of blood has a mass of 55.0 g. What is the density of the blood? Answer with the correct number of sig figs

asked on January 31, 2012
60. math

The point C(3,-1) is translated to the left 4 units and up 1 unit.write a rule to describe the translation.what are the coordinates of the image point? A) (x,y)->(x+4,y+1);(7,-2) B) (x,y)->(x-4,y-1);(-1,0) C) (x,y)->(x+4,y-1);(7,0) D)

asked on May 17, 2014
61. PHYSICS!!!

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.80 cm. At the higher point located at y = 2.50 m, the pressure is 1.22 105 Pa and the pipe

asked on November 11, 2012
62. physics

The 49 kg climber is supported in the "chimney" by the friction forces exerted on his shoes and back. The climber has reduced push to verge of slip. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are

asked on October 26, 2009
63. Chemistry

Titration of an Unknown Acid... What effect on the molar mass of the unknown acid would each of the following have... Would it make the calculated molar mass high, low, or would it have no effect? 1. Adding 5 drops of phenolphthalein instead of 1 drop...

asked on March 26, 2011
64. physics

A long straight horizontal wire carries a current I = 4.80 A to the left. A positive 1.00 C charge moves to the right at a distance 5.00 m above the wire at constant speed v = 4500 m/s . What is the magnitude B of the magnetic field at the location of the

asked on March 3, 2016
65. CHEM

Many home barbeques are fueled with propane gas C3H8. What mass of carbon dioxide (in kg) is produced upon the complete combustion of 18.9L of propane (approximate contents of one 5-gallon tank)? Assume that the density of the liquid propane in the tank is

asked on October 14, 2007
66. Physics

You are driving down a highway at a speed of 20.0m/s when you spot a deer. You quickly slam on your brakes, trying to stop your car in front of the deer. Assume the braking force can be modeled as kinetic friction with a friction coefficient of 0.80. If

asked on October 28, 2014
67. chemistry

Draw one of the Lewis structure of the N2O5. In each case one oxygen bridges the nitrogens (N-O-N single bond) and 2 other oxygens are bonded to each N. How many equivalent resonance structures are there that satisfy the octet rule and where O makes at

asked on November 6, 2014
68. math

The vertices of ABC are A(2,-5), B(-3,5), and C(3,-3).the triangle is reflected over the x-axis.use arrow notations to describe the original triangle and its reelection. A) A(2,-5),B(-3,5),C(3,-3)->(2,-5),(-3,5),(3,-3) B)

asked on May 17, 2014
69. Math

The two legs of a right triangle are in the ratio √3/2. If the hypotenuse is 10 units long, find the area (in square units) of the triangle.

asked on March 3, 2018
70. physics

The leg and cast in the figure below weigh 260 N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w1 weighs 125 N. Determine the weight w2 AND the angle α needed so that no force is exerted on the hip joint by the

asked on September 27, 2010
71. CHEM

The mass of an electron is 9.11*10^-31kg. If the de Broglie wavelength for an electron in a hydrogen atom is 3.31*10^-10m, how fast is the electron moving relative to the speed of light? The speed of light is 3.00*10^8m/s. Express your answer numerically

asked on November 4, 2007
72. chemistry

Which of the following is a situation where an object’s potential energy varies as a result of changes due to its chemical composition? The melting of ice. The burning of wood. A ball rolling down a hill. A parachute slowing a skydiver's fall.

asked on January 29, 2012
73. Organic Chemistry-pls check

Which is the major product from acid catalyzed hydration (addition of water) of 2-methyl-2-pentene? a) 2-methyl-2-pentanol b) 2-methyl-1-pentanol c) 2-methyl-3-pentanol d) 3-methyl-3-pentanol answer: "c": 2-methyl-3-pentanol ???

asked on February 24, 2008

Do you believe economic principles like competition apply in both private and public organizations? Why?

asked on January 9, 2014
75. Physics

an object has a charge of -2.0 microcoloumbs, how many electrons must be removed so that the charge becomes +3.0 microcoloumbs? I'm not sure of which formula to use

asked on November 15, 2012
76. Chemistry

How many milliliters of 3.0 M NaOH are required to react with 4.0mL of 16.0 M HNO3? ---> Not sure if I am solving correctly but I keep getting 21mL.

asked on March 6, 2011
77. Chemistry

On Easter Sunday, April 23, 1983, nitric acid (HNO3) spilled from a tank car near downtown Denver, Colorado. The spill was neutralized with sodium carbonate (Na2CO3). 2HNO3(aq) + Na2CO3(s) -> 2NaNO3(aq) + H2O(l) + CO2(g) deltaH=-69.0kJ a. How much heat is

asked on March 20, 2013
78. physics!!!

The viscous force on an oil drop is measured to be 6.0 10-13 N when the drop is falling through air with a speed of 9.0 10-4 m/s. If the radius of the drop is 2.5 10-6 m, what is the viscosity of air? Answer in N x s/m^2

asked on November 11, 2012
79. Probability

Makoto and his friends rolled two fair number cubes 500 times and recorded the sum of the numbers shown on the cubes each time. On 42 of the trials the sum was 10. What will be the probability that the sum of the numbers shown on the cubes is 10 when two

asked on March 6, 2016
80. Chemistry

Starting with 0.3500mol Co(g) and 0.05500mol COCL2(g) in a 3.050 L flask at 668K, how many moles of Cl2 are present at equilibrium? Co(g) = Cl2(g) COCL2(g) Kc = 1.2x10^3

asked on May 25, 2011
81. math

You receive an invoice for \$565.00 with terms 3/10, net 30. If you pay it immediately, how much will you pay? A. \$548.05 B. \$551.25 C. \$558.05 D. \$559.95

asked on June 3, 2011
82. Chemistry

Iron is obtained from iron ore according to the following reaction: Fe2O3+CO---> Fe+CO2 (unbalanced). a. Assuming the blast furnace is 90.0% efficient in recovering the iron, what is the actual mass of iron obtainable from a ton of ore? b. What is

asked on March 6, 2011
83. CHEM

Help on part "c": The forensic technician at a crime scene has just prepared a luminol stock solution by adding 19.0g of luminol into a total volume of 75.0mL of H2O. a)What is the molarity of the stock solution of luminol? answer I got: molarity of

asked on October 18, 2007
84. Chemistry

A possible reaction for converting methanol to ethanol is CO(g)+2H2(g)+CH3OH(g)→C2H5OH(g)+H2O(g) ΔH0 for this reaction at 25∘C. ΔH0 = -165.7 kJ ΔS0 for this reaction at 25∘C. ΔS0 = -227.4 J/K ΔG0 for this reaction at 25∘C. ΔG0 = -97.9 kJ -

asked on March 29, 2018
85. Physics

A 9.6 kg dog takes a nap in a canoe and wakes up to find the canoe has drifted out onto the lake but now is stationary. He walks along the length of the canoe at 0.53 m/s, relative to the water, and the canoe simultaneously moves in the opposite direction

asked on November 26, 2012
86. 4th grade math

128,955 . Round each number to the place of the underllined digit. 8 is the underlined digit

asked on September 8, 2014
87. trig

find the exact value of sin(u+v) given that sin u=3/5 and sin v= 15/17

asked on December 18, 2011
88. Chemistry

HCONH2(g) NH3(g) + CO2(g) Kc= 4.84 at 400 K2(g) If 0.186 mol of HCONH2(g) dissciates in 2.16L at 400K, what will be the total pressure at equilibrium?

asked on May 25, 2011
89. CHEM

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4Al(s) + 3O2(g) -> 2Al2O3(s) 4mol Al, 2.6mol O2? a) 4mol Al, b) 2.6mol O2. I seriously have no idea what they are asking! What do you do with the

asked on October 15, 2007
90. English

(1) We decided to climb Mt. Rainer, but it was a long, hard journey to Washington State from Medford, Oregon. (2) We were worried about our likely sucess in the cold enviroment of the upper slopes. (3) For one thing, Marty was broke and anxius about having

asked on July 10, 2008
91. Chem

Paper thickness varies. Typically, 100 sheets are about a cm thick. Atoms typically vary from 1 to 3 angstroms in radius. (An angstrom is 10-10 m.) Suppose a piece of paper is 0.0073 cm thick. How many atoms span the thickness if the radius of the atom is

asked on September 12, 2012
92. chemistry

Chloroquine is used to treat malaria. Studies have shown that an effective dose for children is 3.5 mg per kilogram (3.5 mg/kg) of body weight, every 6 hours. If a child weighs 21 kg, how many milligrams of this drug should be given in a 66 hour period?

asked on January 30, 2012
93. chem

A patient receives 2700mL of an IV solution containing 4g g of glucose per 100 mL .How much energy, in kilojoules, does the patient obtain from glucose, a carbohydrate?How much energy, in kilocalories, does the patient obtain from glucose?

asked on September 3, 2014
94. Physics

A Ferris wheel with radius 9.5 m initially rotates at a constant rate by completing 0.75 rev in 25.00 s. It then begins to decelerate at a rate of 0.30 rad/s2 with its only passenger at the top of the wheel. Find the direction of the total acceleration

asked on July 19, 2018
95. math

An Artisan has 63 kg of metal of density 7,000kg/m3. He intends to use make a rectangular pipe with external dimensions 12 cm by 15 cm and internal dimensions 10 cm by 12 cm. Calculate the length of the pipe in meters.

asked on April 14, 2018
96. CHEM

One other question that I am really not 100% sure on: how do I draw the electron-dot structure for: CHClO. I "think" that CHClO is a trigonal planar molecule, with the central atom being carbon. Is this correct?

asked on November 26, 2007
97. Science

How many grams of Pb(IO3)2(s) are precipitated when 27.0 mL of 3.00 M Pb(NO3)2(aq) are mixed with 25.0 mL of a 5.00 M KIO3(aq) solution?

asked on October 8, 2019
98. Physics

A car travels in a straight line with an average velocity of 80 km/hr for 2.5 hours and then with an average velocity of 40 km/hr for 1.5 hours. a. Calculate the largest displacement for the 4-hour trip. b. Calculate the largest average velocity for the

asked on August 28, 2013
99. physics

a 1.29 kg ball is connected by means of two massless strings to a vertical, rotating rod. The strings are tied to the rod and are taut. The tension in the upper string is 38 N. The length of both strings is 1.70m and the distance between the strings on the

asked on November 20, 2011
100. CHEM

Butane, C4H10, is a component of natural gas that is used as fuel for cigarette lighters. The balanced equation of the complete combustion of butane is: 2C4H10(g) + 13O2(g)->8CO2(g) + 10H2O(l) At 1.00atm and 23*C , how many liters of carbon dioxide are

asked on October 29, 2007