# A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 4.00 gallons, what is the boiling point of the solution?

42,689 results, page 58
1. ## Chemistry

The hydrogen in an eudiometer has a volume of 80 ml when the pressure is 740 mm. what's its volume at standard pressure?

asked by Kevin on May 7, 2010
2. ## Math

The formula for the volume of a sphere is V=4 out of 3 pi r^3. How is this formula written if the radius,r,is a function of the volume,V?

asked by Sherri on October 4, 2010
3. ## math

A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?

asked by Ted on May 16, 2010
4. ## math

If your neighbor’s house was 2/8 smaller than your house, what would the volume be if your volume had dimensions of 13x26x130 sq ft

asked by kenyetta on January 19, 2011
5. ## Math

All right Cone has the volume of 333 yd.³ if a right cylinder had the same height and base what would be the volume off the cylinder?

asked by Meena on October 22, 2015
6. ## Algebra

The formula for the volume of a cube is V=s³. What is the volume of a cube with a side length,s,of 3 feet?

asked by NAIA Owens on March 7, 2016
7. ## chemistry

A sample of gas has a volume of 5.3 L at 7.00 ºC. What volume will the gas have if the temperature is increased to 14.00 ºC? (6 pts) .

asked by Anonymous on July 24, 2010
8. ## Math

The volume of a cone is 316in^3. What is the volume of a similar cone that is larger by a scale of 3?

asked by Hunter on May 9, 2013
9. ## Calculus

Water is leaking out of an inverted right conical tank at a rate of 0.0115 m^3/min. At the same time water is being pumped into the tank at a constant rate. The tank has height 11 meters and the diameter at the top is 7 meters. If the water level is rising

asked by Joe on April 3, 2012
10. ## Calculus

Water is leaking out of an inverted conical tank at a rate of 0.0142 m3/min. At the same time water is being pumped into the tank at a constant rate. The tank has height 13 meters and the diameter at the top is 3.5 meters. If the water level is rising at a

asked by Aggie123 on March 23, 2015
11. ## Physics, almost have it!

In a physics lab experiment, a student immersed 205 one-cent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an

asked by Tia on December 5, 2007
12. ## PHysics-almost complete!

In a physics lab experiment, a student immersed 205 one-cent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an

asked by Tia on December 5, 2007
13. ## physics

Because of the pressure inside a popcorn kernel, water does not vaporize at 100°C. Instead, it stays liquid until its temperature is about 175°C, at which point the kernel ruptures and the superheated water turns into steam. How much energy is needed to

14. ## Physics

Because of the pressure inside a popcorn kernel, water does not vaporize at 100°C. Instead, it stays liquid until its temperature is about 175°C, at which point the kernel ruptures and the superheated water turns into steam. How much energy is needed to

15. ## math

9. The polynomial -x^3 -x^2 + 12x represents the volume of a rectangular aquatic tank in cubic feet. The length of the tank is (x + 4). a. How many linear factors should you look for? b. What are the dimensions of the tank? c. Find the value of x that will

asked by anonymous on September 3, 2018
16. ## Chemistry

A sample of Kr gas has a volume of 465 mL at 286°C and 844 torr. When the gas is cooled by 38.3°C, its volume is reduced by 0.572 mL. What is the final pressure of the gas in kPa? the answer is supposed to be 105 but i keep getting 49.9!!!!!!

asked by Matt on January 19, 2008
17. ## Math

Water is leaking out of an inverted conical tank at a rate of 0.0109 {\rm m}^3{\rm /min}. At the same time water is being pumped into the tank at a constant rate. The tank has height 9 meters and the diameter at the top is 4.5 meters. If the water level is

asked by Leah on October 5, 2014
18. ## M A T H

WORD PROBLEM: Tims tet grades in french were: 86,96,88,91 what score must Tim make on his next test to average 92? a 89 b 93 c 97 d 99 I said 99. because when you add all numbers its 460/5 = 92 2) the water level indicator measures the rise and fall in

asked by MAX on October 6, 2011
19. ## math questions

WORD PROBLEM: Tims tet grades in french were: 86,96,88,91 what score must Tim make on his next test to average 92? a 89 b 93 c 97 d 99 I said 99. because when you add all numbers its 460/5 = 92 2) the water level indicator measures the rise and fall in

asked by Mitch on October 6, 2011
20. ## Physics help 2 please **

A garden hose is attached to a water faucet on one end and a spray nozzle on the other end. The water faucet is turned on, but the nozzle is turned off so that no water flows through the hose. The hose lies horizontally on the ground, and a stream of water

asked by kelsey on November 25, 2008
21. ## Anatomy

I'm posting this again today hoping someone can clarify this for me- I have two question 1.In a dehydration synthesis reaction which of the following occur- a. hydrogen and oxygen are removed from the reactant b. water is added to the reactants c. water is

asked by Aubrey on September 13, 2011
22. ## science help pls pls

Which of these is the most practical method to prevent global water shortage? Stop planting trees and shrubs in gardens. Conserve, recycle and reuse water in households. Stop using appliances like washing machines and dishwashers. Discourage setting up of

asked by Oscar on April 11, 2016
23. ## mass and human body

By mass, most of human body is composed of what? nitrogen carbon water hydrogen I think the answer is water. Am I correct? http://www.madsci.org/posts/archives/may2000/958588306.An.r.html so am I correct in saying that it is water? I don't need

asked by David on January 14, 2007
24. ## Science

Describe the method you would use to separate eachg mixture. Methods: Picking apart, filtering, using density, using magnetism, dissolving, evaporating. a)sand and water b)oil and water c salt and pepper d)sand and pebbles e)sugar and water 2. List several

asked by Saquta on December 17, 2010
25. ## physics

Explain in a few words why, when operating a garden hose fitted with a trigger-operated nozzle, the water jet is momentarily more powerful at the instant the trigger is squeezed than later, when there is a continuous stream of water. Show that the amount

asked by jj on March 13, 2017

37. Lake Michigan is a very large, very deep body of water, located in a region of the United States that gets quite cold in winter. On the coldest day of last year, what was the temperature at the bottom of the lake. Explain your answer in terms of

asked by Sierra on September 15, 2014
27. ## physical sciences

A cliff diver,mass 75kg,free falls off a cliff that is 50m above the water surface.He hits the water surface and stops 5m under the surface.calculate: 4.1 The net force while free falling. 4.2 The divers' velocity when he reaches the water surface. 4.3

asked by Themba on July 22, 2014
28. ## Physics

An automobile having a mass of 1220 kg is driven into a brick wall in a safety test. The bumper behaves like a spring of constant 2.42 × 106 N/m and compresses 2.99 cm as the car is brought to rest. What was the speed of the car before im- pact, assuming

asked by Emma on January 22, 2016
29. ## Physics

On the question that someone posted.....I asked my teacher on what formula I should use and said I should use this one: V^2= Vo^2+2ax (V^2 is the velocit, Vo is the initial velocity, a is accerlation and x distance . An automobile is traveling at 30 km/hr.

asked by Rose on September 13, 2015
30. ## math

how do you measure and get 4 gallons of water only having an unmarked 5 gallon bucket and an unmarked 3 gallon bucket and a large container of water ok this is simple, u just have to think out of the bucket...heh.. so here goes fill the 5 gallon bucket to

asked by john on June 1, 2007
31. ## Chemistry

Can someone check my answers? These are based off of an experiment which is determining the proportionality constant, R, in the ideal gas equation. 1. Suppose a student runs into some procedural and calculation difficulties. State the effect the following

32. ## Chemistry

Microwave ovens heat food by creating microwave electromagnetic radiation that is absorbed by water molecules in the food. Any material that does not have water in it will not absorb the radiation and will not get hot. Metals reflect the microwaves from

asked by Kales on November 19, 2014
33. ## Physics

An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same amount. The can’s initial volume at 8 °C is 3.5 × 10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6

asked by Nicj on February 7, 2014
34. ## physics

An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same amount. The can’s initial volume at 8 °C is 4.8 × 10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6

asked by justin on July 25, 2013
35. ## Physics

An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same amount. The can’s initial volume at 8 °C is 6.9 × 10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6

asked by StressedStudent on December 5, 2012
36. ## Physics

The warranty on a new tire says that an automobile can travel for a distance of 92,000km before the tire wears out. The radius of the tire is 0.33m. How many revolutions does the tire make before wearing out? hello CJ I think we are in the same class. I

asked by CJ on March 14, 2007
37. ## heat

the main purpose of the turbine in the turbojet engine is to? The turbine rotates the compressor, compressing the inlet air. Often, electrical generators and hydraulic pumps are attached to the turbine via gears also. drive the compresser

asked by angela on August 19, 2005
38. ## physics

A 710 kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0?

asked by Dan on October 12, 2009
39. ## Physics

A 710kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0∘ ?

asked by Amy on November 23, 2013
40. ## Science

Q16: A clear plastic cube with exactly the same index of refraction as water, is placed in a container of water. Would you be able to see the plastic cube in the water if you looked at it from an angle? Please explain why or why not.

asked by Anonymous on October 3, 2012
41. ## science

Austin took a shower from 7:56 to 8:08 and used sixty gallons of water. Assuming the same rate of water usage, how much water would Austin have saved if he had taken a quick six-minute shower? help

asked by Dj on April 19, 2008
42. ## Math

The large rectangular tank shown is 4/5 filled with water. The water is then poured into the smaller rectangular container until it is full. How much water is left in the tank

asked by Hello Kitty on April 4, 2017
43. ## math

A water tank has square base of side 60 cm and height 40 cm .If there is hole in tank 8 in every second water lekage by (1÷2) cm then , a) find how much litre water will be lekage in 12 hours.

asked by Ram on February 24, 2016
44. ## Chemisty

you have 100.0-mL graduated cylinder containing 50.0 mL of water. you drop a 124-g piece of brass (density =8.56 g/cm^3) into water. to what height does the water rise in the graduated cylinder

asked by love on January 18, 2012
45. ## chem

the density of water is 1.00 g/mL. if your swimming pool holds 208,000 gallons of water, what is the weight of water in a filled swimming pool on tons?

asked by kurt on September 7, 2016
46. ## chemistry

If the temperature of a 500.0-g sample of liquid water is raised 2.00c how much heat is absorbed by the water?The specific heat of liquid water is 4.184j/(g*c)

asked by gabriella on January 25, 2013
47. ## Chemistry

if the temperature of a 500.0g sample of liquid water is raised to 2.00c how much heat is absorbed by the water? The specific heat of liquid water is 4.184J/(g*c)

asked by Anonymous on February 24, 2010

Oxidized (blue) DPIP becomes colorless when it is reduced – that is, when it receives electrons. A diagram of the photosynthetic light reaction shows that water molecules are the source of these electrons. How is it that the DPIP was only able to receive

asked by tina on October 27, 2010
49. ## Biology

Oxidized (blue) DPIP becomes colorless when it is reduced – that is, when it receives electrons. A diagram of the photosynthetic light reaction shows that water molecules are the source of these electrons. How is it that the DPIP was only able to receive

asked by tina on October 27, 2010

A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.0 cm, and a piston is carefully placed on the surface of the compound so that, for all practical purposes, the distance between the

asked by rikita on January 2, 2009
51. ## Physics

An ideal gas heat engine operates in a Carnot Cycle between temperatures of 266 and 115°C. It absorbs 4250 cal per cycle at 266°C. What is its efficiency as a percentage

asked by Chelsea on January 31, 2014
52. ## Physics

An ideal gas heat engine operates in a Carnot Cycle between temperatures of 266 and 115°C. It absorbs 4250 cal per cycle at 266°C. What is its efficiency as a percentage?

asked by Riley on February 3, 2014
53. ## Phenix

The Harley Davidson motorcycle company, which had a copyright on the word “hog” appiked for exclusive rights to its engine sound. Why would a company want copy rights on two such mundane things?

asked by miller on December 9, 2009
54. ## Trigonometry

two pulleys of a car engine radius of 8 cm and 5 cm respectively are connected by a belt. The larger pulley rotates 80 times per minute. Find the angular velocity of each pulley in radians per minute.

asked by Miranda on November 10, 2015
55. ## Math

What is the exact value of sin 5ð and how do you find it? type in the google search engine.. sin(5degrees) It will compute it for you. It appears you pasted something that the ASCII didn't translate. You'll need to type out the value for the angle.

asked by Rob on September 13, 2006
56. ## physics

An aircraft gains speed during takeoff due to the constant thrust of its engine. When is the acceleration during takeoff greatest-at the beginning of the run along the runway or just before the aircraft lifts into the air? why?

asked by fuzzy on October 19, 2011
57. ## physics

A gasoline engine absorbs 20990 J heat and performs 4166 J mechanical work in each cycle. Find the amount of heat expelled in each cycle. Answer in units of J

asked by Anonymous on April 19, 2013
58. ## Exploring Space

if u could travel at the speed of ligt without fuel, where would the energy required for the engine come from? is this possible? it is impossible to travel anywhere without fuel. The only other option is to walk by foot. I don't know the answer to the

asked by Sara on March 4, 2010
59. ## Gas Law Chemistry

I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure

asked by Amy on October 25, 2012
60. ## Calculus (Parts A and B done, just help with C)

The radius, r, of a sphere is increasing at a constant rate of 0.05 meters per second. A. At the time when the radius of the sphere is 12 meters, what is the rate of increase in its volume? B. At the time when the volume of the sphere is 36pi cubic meters,

asked by Mishaka on January 18, 2012
61. ## chemistry

1. if 15.0mL of 4.5 M NaOH are diluted with water to a volume of 500mL, what is the molarity of the resulting solution? 2. in a acid-base titration, 33.65mL of an 0.148 M HCL solution were required to neutralize 25.00mL of a NaOH solution. What is the

asked by djella on October 26, 2011
62. ## Science

Please help A swimmer that pushes the water back with feet and arms What will happen to the movement of the swimmer as they push the water back? If the swimmer exerts 5 n of force on the water how much force does the water exert back on swimmer?

asked by BUBBLES on February 2, 2015
63. ## Science

A swimmer that pushes the water back with feet and arms 1. What will happen to the movement of the swimmer as they push the water back? 2. If the swimmer exerts 5 n of force on the water how much force does the water exert back on swimmer? Please help

asked by BUBBLES on February 2, 2015
64. ## Chemistry

A glass of water contains 1.2 x 1024 molecules of water. An additional 4.0 moles of water are poured into the glass. How many moles of water are in the glass?

asked by Kelly on July 29, 2016
65. ## Chem

The fizz produced when an alka-seltzer tablet is dissolved in water is due to the reaction between sodium bicarbonate and citric acid: 3NaHCO3 + H3C6H5O7 -> 3CO2 + 3H2O + Na3C6H5O7 In an Experiment 1.00 g of sodium bicarbonate and 1.00g of citric acid are

asked by Lu on October 20, 2013
66. ## physics

1 The specific heat of a substance at its boiling point or melting point Is 0 Is infinity Is negative lies between 0 and 1 2 A unit mass of solid converted to liquid at its melting point. Heat is required for this process is Specific heat Latent heat of

asked by solomon on April 17, 2015
67. ## physics

1 The specific heat of a substance at its boiling point or melting point Is 0 Is infinity Is negative lies between 0 and 1 2 A unit mass of solid converted to liquid at its melting point. Heat is required for this process is Specific heat Latent heat of

asked by promise on April 12, 2015

Adora has a photo of the Calgary tower that measures 7cm by 19cm. She scans the photo and enlarges it by 160%. By what percentage will the area of the photo increase? A.) 160% B.) 320% C.) 410% D.) 256% A shop sells a small globe that hangs on a keychain,

asked by Candice on June 28, 2016
69. ## Math(Help, AssignmentDueToday)

Adora has a photo of the Calgary tower that measures 7cm by 19cm. She scans the photo and enlarges it by 160%. By what percentage will the area of the photo increase? A.) 160% B.) 320% C.) 410% D.) 256% A shop sells a small globe that hangs on a keychain,

asked by Candice on June 28, 2016
70. ## algebra

According to Boyle’s law, the volume V of a gas varies inversely to the pressure P exerted by the gas. The volume of a given gas under a pressure of 32 kg per cm2 is 200 cm3. What will be the volume of this gas when the pressure exerted is 40 kg per cm2?

asked by Nate on February 5, 2018

for this question A sample of air has a volume of 140.0 mL at 67 degrees celcius. At what temperature would its volume 50.0 mL at constant pressure I did 140.0 ml... 67+273=340 T2... 50.0 140.0=50.0 340=T2 340*50.0/140.0=121.4 This question i don't get

asked by jerson on April 28, 2008
72. ## chemistry

When a 28.8mL of .500M H2SO4 is added to 28.8mL of 1.00M KOH in a coffee-cup calorimeter at 23.50 degrees Celsius, the temperature rises to 30.17 degrees Celsius. Calculate the ^H(change in enthalpy)of this reaction. (assume total volume is the sum of

asked by Kelsie on October 12, 2008
73. ## science 207 lab wk 5

1. Which water cycle processes are represented in this model and by what components? Answer = 2. Which water cycle processes are not represented? How could the model be altered to include each of these processes? Answer = 3. How would the “weather” be

asked by Lisa on July 4, 2015
74. ## ashford university

1. Which water cycle processes are represented in this model and by what components? Answer = 2. Which water cycle processes are not represented? How could the model be altered to include each of these processes? Answer = 3. How would the “weather” be

asked by Lisa on July 4, 2015
75. ## Science

What percent of water is not easily accessible or usable on earth? *A. .6% B. 12.5% C. 50% D. 99% Subtract the answer from the last question from 100%. What does the remainder represent and what are the sources of this percentage of water? A. 97% rivers

asked by Cassie on October 30, 2013
76. ## calculus

A tank of water has a base a circle of radius 2 meters and vertical sides. If water leaves the tank at a rate of 6 liters per minute, how fast is the water level falling in centimeters per hour? [1 liter is 1000 cubic centimeters]

asked by Anonymous on November 29, 2017
77. ## Physics

A diver springs upward from a board that is three meters above the water. At the instant she contacts the water her speed is 8.80 m/s and her body makes an angle of 76.0° with respect to the horizontal surface of the water. Determine her initial velocity,

asked by Student on September 5, 2007
78. ## SCI 275

I can not find anything these: any opposition to water pollution. proposes other water or land problems that might occur from water pollution challenges,limitations, or implications of the plan. provides how the plan affects the community in terms of jobs,

asked by dawn on December 3, 2007
79. ## physics

A 62.7-kg person jumps from rest off a 2.98-m-high tower straight down into the water. Neglect air resistance. She comes to rest 1.09 m under the surface of the water. Determine the magnitude of the average force that the water exerts on the diver. This

asked by Yuli on November 28, 2011
80. ## Chemistry 12

The molar heat of vaporization of water is 42 kJ/mol. How much energy is released by the condensation of 3.0 g of water? So for water there will just be one mol. I think this is how you do it, but it doesn't match the answer in the worksheet. q=mc delta t

asked by Rachel on December 11, 2015
81. ## calculus

A trough is 15 ft long and its ends have the shape of isosceles triangles that are 4 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 14 ft^3/min, how fast is the water level rising when the water is 8

asked by Gabe on February 13, 2010
82. ## Physics

A 500 g sample of gold heated to 971.0 deg. C is placed in a calorimeter containing 220 g of water initially at 20.0 deg. C. If no heat is lost to the surrounding environment what will the final temperature of the water be? [HINT: At the end, the sample

asked by Alyssa on February 16, 2016
83. ## Science

A Herculean bomber jet accepts 40kg of air per second at a velocity of 200m/s, burns 2kg of fuel at the same time,and releases exhaust gases at 600m/s relative to the bomber. find the thrust due to its engine.

asked by Jennifer on April 12, 2015
84. ## psy202

which of the following do experts recommend regarding the search for information on the internet avoid boolean operators since new technology has made them obsolete stick to one search engine like google so that bookmarks are better organized bookmark any

asked by kim on September 17, 2013
85. ## physics:energy

A car (mass 920 kg) drives up a hill (height 328 m) in 143 seconds. At the bottom of the hill, it has a speed of 24 m/s, but at the top, it has slowed down to 14 m/s. Neglecting friction, what is the average engine power? I tried using 1/2mv^2 and it

asked by Ashley on October 31, 2010
86. ## physics

Find the magnitude of the linear momentum of (i) a 7.1 kg bowling ball traveling at 12 m/s and (ii) a 200 kg automobile traveling at 90 km/h. (b) A pool player imparts an impulse of 3.2 N-s to a stationary 0.25 kg cue ball with a cue stick. What is the

asked by Byron on December 3, 2013
87. ## Science

When scientists record the volume of a gas, why do they also record the temperature and the pressure? Because the P and T affect the volume of the gas. A measure of matter is mass, to get the mass of gas one must know volume, temperature, and pressure. The

asked by Electra on October 29, 2006
88. ## chemistry

how would the graph of Pressure vs Volume look for a sample of an ideal gas that has a volume of 1 L at 0 degrees Celsius and 1 bar. How would the graph of Pressure versus volume look for sample of gas at the same conditions but at 100 degrees Celsius?

asked by noel on January 26, 2011
89. ## Chemistry/pH- Weak Acid

Hi again! I have a new question, Can you help me? Consider 50.0 mL of a solution of a weak acid HA (Ka = 1.00.E-6), which has a pH of 4.000. What volume of water must be added to make the pH = 5.000? My Calculations: To calculate the concentration of x, I

asked by Mary on August 17, 2008
90. ## Physics

Brain buster: A laser sends red light of wavelength 650 nm from air into water in a swimming pool. The index of refraction of the water is 1.33. (a) What wavelength will the light have in the water? (b) What colour would light of this wavelength appear if

asked by Hanu2012 on December 8, 2012
91. ## Calculus

Consider a hemispherical bowl of radius 10cm. (4 points) If the water level in the bowl is h cm deep, find the radius of the surface of the water as a function of h. (6 points) The water level drops at a rate of 0.1 cm per hour. At what rate is the radius

asked by Karina on December 2, 2012
92. ## math

Rusty the elephant was thirsty, despite the fact that water made up 85% of his body weight. After drinking a considerable amount of water, Rusty weighed 1350 pounds, and water made up 86% of his body weight. What was Rusty's weight before he had his drink?

asked by hp on November 6, 2009
93. ## math

Rusty the elephant was thirsty, despite the fact that water made up 85% of his body weight. After drinking a considerable amount of water, Rusty weighed 1350 pounds, and water made up 86% of his body weight. What was Rusty's weight before he had his drink?

asked by HG on November 4, 2009
94. ## chem11

Suppose you have a large supply of sponge balls with weights in the centre, so that when the balls are piled on each other the bottom ones are flattened. Sketch a graph that generally describes mass vs. volume for these sponge balls. Also, would weighted

asked by girl on February 23, 2012
95. ## University Chemistry (first year)

I'm working on a first year chemistry lab where we synthesized alum from alunimini foil and I'm doing the report and one of the questions is as follows: Based on your findings, what volume of water can be cleared of suspended solids by one beverage can

asked by clam on October 17, 2011
96. ## finding boiling points of solutions

What is the boiling point (in degrees Celsius ) of each of the solutions below? For water, Kb = 0.51 (Degrees C * kg)/mol The vapor pressure of water at 45.0C is 71.93 mm Hg. 1. A solution of 15.0g of urea, CH4N2O, in 164 g of water at 45.0 degrees C. For

asked by Sar on September 9, 2010
97. ## Chem

Three bulbs are connected by tubing, and the tubing is evacuated. The volume of the tubing is 32.0 mL. The first bulb has a volume of 78.0 mL and contains 2.72 atm of argon, the second bulb has a volume of 250 mL and contains 2.83 atm of neon, and the

asked by Anonymous on October 10, 2012
98. ## physics

When water falls from the top of the waterfall,at the victoria falls in zimbabwe,the temperature of the water at the top is less than the temperature at the bottom.If 180.5g of water falls a distance of 125.0m, calculate the increase in temperature of the