# 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?

43,319 results, page 17
1. ## Chem

I did this experiment where I filled a graduated cylinder with water. The I put a stopper on it and put it under water and removed the stopper. The with a modified lighter (that wouldn't release sparks) I added butane gas. I got the following results: mass

asked by Lena on December 11, 2008
2. ## Physics

A 60.0 kg runner expends 355 W of power while running a marathon. Assuming that 8.00% of the energy is delivered to the muscle tissue and that the excess energy is primarily removed from the body by sweating, determine the volume of bodily fluid (assume it

asked by Kelsey on May 1, 2010
3. ## physics

The record for the largest glass bottle was set in 1992 by a team in New Jersey- they blew a bottle wit a a volume of 193 U.S. fluid gallons. a)How much short of 1.0 million cubic centimeters is that? b)If the bottle were filled with water at the leisurely

asked by Brent on August 22, 2010
4. ## Physics

Two steam locomotives are approaching each other, each at 30 mi/hr, heading for a sure head-on collision. A rhinoceros beetle, who flies with a constant speed of 40 mi/hr, leaves the front of the first locomotive when the engines are just 2.000 miles

asked by hi on October 15, 2014
5. ## physics

Two steam locomotives are approaching each other, each at 30 mi/hr, heading for a sure head-on collision. A rhinoceros beetle, who flies with a constant speed of 35 mi/hr, leaves the front of the first locomotive when the engines are just 2.000 miles

asked by Anonymous on October 25, 2012
6. ## chemistry

tell the taste of these types of water well water mineral water fresh water tap water earated water?

asked by saim on May 14, 2011
7. ## Astronomy

The volume of a ball is given in terms of its radius by V=4π3R3. Use this to find the average density of Saturn, i.e. the mass per unit volume. Use Earth’s mass in kg from the Table of Constants to express your answer in kgm3. Note for comparison that

asked by sam on December 23, 2012
8. ## Chemistry

0.0337g of a volatile liquid when vaporized completely at 100Pa and 300K occupied a volume of 20cm3. When this volume of vapor was completely burnt in an excess of oxygen, 40cm3 of carbon dioxide and 20cm3 of water vapor were formed. All volumes being

asked by Shaun on February 18, 2012
9. ## chemistry help DR. BOB

When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density

asked by patrick on October 16, 2015
10. ## chemistry/check my work I have to submit today

When 27.20mL of .5 M H2SO4 is added to 27.20 of 1M KOH in a coffee cup calorimeter at 23.5 degrees C, the temp rises to 30.17 degrees C. Calculate delta H of this reaction. (Assume that the total volume is the sum of the individual volumes and that density

asked by patrick on October 16, 2015
11. ## physics

A mixture of gasoline vapor and air is placed in an engine cylinder. The piston has an area of 7.4*10^-3 m^2 and is displaced inward by 7.2*10^-2 m. If 9.5*10^5 Pa of pressure is placed on the piston, how much work is done during this process? Is work

asked by anonymous on February 8, 2007
12. ## Science

1. Why is accessible drinkable water such a small portion of Earth's total supply of fresh water? a . fresh water is in the ocean b . fresh water is in the clouds c . fresh water is below the ground d . fresh water is in the ice caps and glaciers ***** 2.

13. ## physics

A catapult launches a rocket at an angle of 47.5° above the horizontal with an initial speed of 109 m/s. The rocket engine immediately starts a burn, and for 2.49 s the rocket moves along its initial line of motion with an acceleration of 30 m/s2. Then

asked by tina on April 25, 2012
14. ## Chemistry

Prepare a theoretical titration curve for titration of 25.0 mL of 0.1037 formic acid (HCOOH; pKa = 3.75) solution (diluted to 100 mL volume with deionized water) by 0.0964 M solution of KOH. I have to determine volume of KOH needed to reach equivalence

asked by Clint on March 5, 2012
15. ## Chemistry

A)How many moles of O2 are required for the complete combustion of 2.2 g of C3H8 to form CO2 and H2O? b)A 65.25 g sample of CuSO4•5H2O (M = 249.7) is dissolved in enough water to make 0.800 L of solution. What volume of this solution must be diluted with

asked by Kristi on May 16, 2012
16. ## Chemistry Help

At room temperature, the surface tension of water is 72.0 mJ·m^–2. What is the energy required to change a spherical drop of water with a diameter of 1.80 mm to three smaller spherical drops of equal size? The surface area of a sphere of radius r is

asked by Anonymous on November 17, 2012
17. ## Physics

A hydrometer has a weighed bulb of volume 30cm3 and a uniform cross sectional area of 1cm3. When floating in water 3cm of the stem is immersed. What is the length of the stem when immersed in water when the hydrometer floats in the liquid of density

asked by Emeka on September 27, 2016
18. ## Chemistry

At room temperature, the surface tension of water is 72.0 mJ·m^–2. What is the energy required to change a spherical drop of water with a diameter of 1.80 mm to three smaller spherical drops of equal size? The surface area of a sphere of radius r is

asked by Anonymous on November 13, 2012
19. ## chemistry

Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3 NO2(g) + H2O(ℓ) −→ 2 HNO3(ℓ) + NO(g) If 900 L of NO2 gas react with water, what volume of NO gas will be produced? Assume the gases are measured under the same

asked by Anonymous on December 3, 2016
20. ## Chemistry

Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3 NO2(g) + H2O(ℓ) −→ 2 HNO3(ℓ) + NO(g) If 916 L of NO2 gas react with water, what volume of NO gas will be produced? Assume the gases are measured under the same

asked by Anonymous on May 1, 2015
21. ## chemistry

write a balanced equation between sodium and water. if 1.2g of sodium reacted with water, calcul;ate the volume of gas produced at s.t.p. how many molecules of the gas are produced at s.t.p.

asked by danny boay on February 21, 2011
22. ## Chemistry

The density of pure silver is 10.5 g/cm3 at 20 °C. If 5.25 g of pure silver pellets is added to a graduated cylinder containing 11.2 mL of water, to what volume level will the water in the cylinder rise?

asked by Crissy on September 5, 2012
23. ## Biology/Chemistry

Consider that the human brain weighs about 1 kg and contains 10^11 cells. Assuming that each cell is entirely filled with water, and knowing that 1 cm^3 of water weighs 1 g, calculate the volume of a brain cell (in picoliters).

asked by Becca on January 26, 2012
24. ## URGENT HELP: calculus - limits at inifinity

1.The efficiency of an internal combustion engine is: efficiency (%) = 100 [1 - (1/(x/y)^c)] where x/y is the ratio of the uncompressed gas to the compressed gas and C is a positive constant dependent on the engine design. Find the LIMIT of the efficiency

asked by Anonymous on December 13, 2007
25. ## chemistry

mass of the metal 7.26g volume of water in the calorimeter 10mL initial temp of water in calorimeter 21.5 degrees C initial temp of metal 95.5 d C final temp in mixture in calorimeter 23.8 D C question: calculate the energy lost by the metal taking into

asked by may on February 28, 2013
26. ## math

Jose wants to find how many gallons of water he needs to fill his cube-shaped aquarium. One side of his aquarium is 4 feet long. a)Write and solve an expression to find the volume of Jose's aquarium. b)One cubic foot is equal to 7.48 gallons of water. How

asked by kyle on March 10, 2015
27. ## Science

1. Calculate Volume of Object. Initial volume- 7.5mL Final Volume- 15.8mL Volume of object _____________

asked by Jessa on September 29, 2009
28. ## MTH/208

East Battle Lake in Minnesota covers an area of about 1950 acres or 8.5X10^7 square feet and its average depth is about 3.2x10^1 feet. a. Estimate the cubic feet of water in the lake. (hint: Volume=area x average depth.) b. One cubic foot of water equals

asked by Juana on May 1, 2011
29. ## Law

If the above-described drug operation had been scheduled at a fully operational airfield staffed with airport personnel, it may be most effective to have law enforcement blend in with, or dress like, airport workers. This is an example of __________

asked by Amy on November 11, 2013
30. ## chemistry

So the question I have is: Calculate the pressure of dry hydrogen collected. (Use the water temperature). And the evidence that we obtained was: Length of magnesium 3.8Cm Mass of 1 m of magnesium 1.254g Volume of hydrogen collected 67mL Air temperature 27C

asked by amy on May 10, 2017
31. ## science

Bill finds an unusual object and wishes to calculate it's density. He discovers a problem of accurately weighing it, because it won't stay on the weighing pan. To solve this he adds the object to a beaker containing 59 mL of distilled water and finds the

asked by Arthur on August 18, 2009
32. ## Chemistry

OMG, I did the other fifteen questions of my homework but I'm stuck on these. #1: Which has the higher average kinetic energy, a tub full of 50'C water, or a small cup of 52'C water. Why? Which has more total kinetic energy, the tub or the cup? Why? #2:

asked by W I C K E D on September 24, 2008
33. ## PHYSICS

A copper vat is 10 m long at room temperature (20 degrees C). How much longer it is when it contains boiling water at 1 atm pressure? Air in a balloon does 50 J of work while absorbing 70 J of heat. What is its change in internal energy? A bottle

asked by Matt on February 17, 2011
34. ## CHEMISTRY

Observations Mass of Fe metal:100 MG Volume of water in Calorimeter: 100 ML Mass of water in Calorimeter (use 1g per ml): 100G Initial Temperature of metal: 20 Initial Temperature of water: 20 Final Temperature (both metal and water): 100 Determine the

asked by JASON on November 30, 2008
35. ## chemistry

a balloon has a volume of 456 mL at a pressure of 1.0 atm. it is taken under water in a submarine to depth. where the air pressure in the submarine is 3.3 atm. what is the volume of the balloon? assume constant temperature?

asked by john on May 15, 2013
36. ## Physics

A test rocket is launched vertically from ground level (y=0m), at time t=0.0 s. The rocket engine provides constant upward acceleration during the burn phase. At the instant of engine burnout, the rocket has risen to 97 m and acquired a velocity of 40 m/s.

asked by Renay on March 26, 2013
37. ## Chemistry

You have two beakers, one filled to the 100-mL mark with sugar (the sugar has a mass of 180.0 g) and the other filled to the 100-mL mark with water (the water has a mass of 100.0 g). You pour all the sugar and all the water together in a bigger beaker

asked by Alexandria on September 3, 2011
38. ## chemistry ap

Nitric acid can be produced by the reaction of gaseous nitrogen dioxide with water. 3 NO2(g) + H2O(ℓ) −→ 2 HNO3(ℓ) + NO(g) If 734 L of NO2 gas react with water, what volume of NO gas will be produced? Assume the gases are measured under the same

asked by chem on April 3, 2015
39. ## chemistry

2C2H6(g)+7O2(g)--> 4Co2 (g)+6H2O(l) A) if 3.00 moles of C2H6 and 9.00 moles of O2 are introducedinto an empty container at 32.0 degree C and then ignited tointiate the above reaction calculate the mass of water that isproduced. B) if the container volume

asked by Anonymous on December 8, 2014

A hemispherical tank with a radius of 10m is filled from an input pipe at a rate of 3m^3/min. How fast is the water level rising when the water level is 5m from the bottom of the tank? (hint: the volume of the cap of thickness of h sliced from a sphere of

asked by Linda on April 15, 2015
41. ## calculus

A hemispherical tank with a radius of 10m is filled from an input pipe at a rate of 3m^3/min. How fast is the water level rising when the water level is 5m from the bottom of the tank? (hint: the volume of the cap of thickness of h sliced from a sphere of

asked by Linda on April 15, 2015
42. ## chemistry

2C2H6(g)+7O2(g)--> 4Co2 (g)+6H2O(l) A) if 3.00 moles of C2H6 and 9.00 moles of O2 are introducedinto an empty container at 32.0 degree C and then ignited tointiate the above reaction calculate the mass of water that isproduced. B) if the container volume

asked by Anonymous on December 8, 2014
43. ## Chem

Then, determine the final volume needed to dilute 20.0 ml of 1.00 M NaOH to 0.25 M. Next, find the volume of water which needs to be added. Finally, determine the moles and the mass in grams of NaOH in the solutions. Do I take 60 ml and convert it to moles

asked by Feather on September 28, 2014
44. ## chemistry

EXTRA CREDIT QUESTION(this is like kinda really hard for me at the moment i got the first one but the others not so much) The city of Celina was ordered by the Ohio EPA in 2003 to resolve its MCL (maximum contaminant level) violations of its drinking

45. ## Physics

A 10cm times 10cm times 10cm wood block with a density of 700kg/m^{3} floats in water. What is the distance from the top of the block to the water if the water is fresh? weight= density*volume*g weight=700*(0.001)*9.81 weight=6.86newton

asked by ana on November 17, 2009
46. ## Physics

A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional force fk between boat and water is proportional to the speed v of the boat. Thus, fk = 80v, where v is in meters per second and fk (the magnitude of the

asked by Rachel on February 20, 2013
47. ## Physics

A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional force fk between boat and water is proportional to the speed v of the boat. Thus, fk = 80v, where v is in meters per second and fk (the magnitude of the

asked by Rachel on February 19, 2013
48. ## Physics

A 1250 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the frictional force fk between boat and water is proportional to the speed v of the boat. Thus, fk = 80v, where v is in meters per second and fk (the magnitude of the

asked by Rachel on February 19, 2013
49. ## English+ check!

Add a colon, if necessary, to the following sentences 1. You might see the following birds in the park: owls, kingfishers, and killdeer 2. Among the causes of crop failure are excessive rainfall, drought, and pests. 3. According to the police so far there

asked by BENJI! on November 4, 2006
50. ## Physics

A horizontal water pipe goes from a large diameter to a small diameter and then back to the first diameter as shown in the figure below. The level of water (8cm in the larger tube and 4 cm in the constricted tube) in the small vertical tubes provides us

asked by Anna on December 4, 2015
51. ## science

a hemisphere container is made with the following dimensions. the external diameter of the container is 12 cm. the internal diameter of the container is 6 cm. it is filled with water to the brim. what is the density of the empty container if the total mass

asked by KC on September 2, 2014
52. ## physics

a hemisphere container is made with the following dimensions. the external diameter of the container is 12 cm. the internal diameter of the container is 6 cm. it is filled with water to the brim. what is the density of the empty container if the total mass

asked by KC on September 2, 2014
53. ## physics

1.5 m3 of water is mixed with 0.50 m3 of alcohol. Density of water is 1000 kg m–3 and density of alcohol is 800 kg m–3. Whats the density of the mixture with volume 2.0 m3?

asked by lola on September 13, 2011
54. ## Physics-Math

1.5 m3 of water is mixed with 0.50 m3 of alcohol. Density of water is 1000 kg m–3 and density of alcohol is 800 kg m–3. Whats the density of the mixture with volume 2.0 m3?

asked by rohan on September 13, 2011
55. ## Biology

6. Describe and explain what would happen to a cell containing 100mM NaCl, 150 mM glucose, and 100 mM protein if placed into: a) distilled water? (describe the volume change if the cell were permeable to water only). b) a solution of 100mM NaCl, IF the

asked by ..... on February 4, 2013
56. ## science-redo

How does water displacement help when finding the volume of an irregular object

asked by Nikki on October 9, 2013
57. ## chemsitry

hydrogen burns in oxygen to for water.caculate the volume?

asked by sam on August 3, 2012
58. ## Chemistry

when are you going to use the water displacement method in taking the volume of the object?

asked by Sheena on July 22, 2015
59. ## science

Explain how to measure the volume of a rock by water displacement?

asked by Ann on October 12, 2012
60. ## Chem

Why can't the water displacement method be used to find the volume of all solids?

asked by Renee on September 22, 2010
61. ## Physics 2

If water at 0 oC is heated, it actually decreases in volume until it reaches Select one: a. 1 oC. b. 2 oC. c. 3 oC. d. 4 oC. e. 5 oC.

asked by Urgent on August 17, 2015
62. ## Valencia

2.0L of a 2.0M HCl solution is added to water so that the final volume is 6.0L

asked by Lisa on November 6, 2012
63. ## Chemistry

What is the molar volume of pure water at 22 degrees Celsius?

asked by Allie on October 5, 2016
64. ## Chemistry Titration Lab

We did not use the volume of the water added initially to the Erlenmeyer in our calculations. Why?

asked by Kim on April 21, 2011
65. ## chemistry

What gas volume does the water have at a temperature of 100 and 1 pressure?

asked by olivia on May 9, 2010
66. ## thermodynamics

2. If a pump discharges 284 liters per minute of water whose density is 985 kg/m3 . Find (a) mass flow rate in kg/min; (b) the total time required to fill a vertical cylindrical tank 3.05 m in diameter, and 305 m high. Note: m = Q x ρ, where m= mass,

asked by binjok on February 8, 2016
67. ## Physics

In a machine shop, a hydraulic lift is used to raise heavy equipment for repairs. The sys- tem has a small piston with a cross-sectional area of 0.063 m2 and a large piston with a cross-sectional area of 0.172 m2. An engine weighing 2800 N rests on the

asked by M&M on June 28, 2013
68. ## chemistry--last time i promise

CO(g) + H2O(g)-->CO2 + H2 (g) reaction occurs in a 2.0 Ll reactor at 800 degrees celsius. The reaction conditions are such that a complete conversion of reactants into products results. The reactor is charged initially with 5.0 atm of CO and 8.0 atm of

asked by alexis on May 3, 2015
69. ## chemistry

A volume of 35.0 mL of nitrogen gas was collected over water at 24 degrees C and 99.1kPa. The vapor pressure of water at this temperature is 2.99 kPa. What is the pressure of the nitrogen gas alone?

asked by Edward on June 14, 2010
70. ## chemistry

The density of pure copper is 8.96 at 20°C. If 6.50 g of pure copper pellets is added to a graduated cylinder containing 13.4 mL of water, to what volume level will the water in the cylinder rise

asked by blake on September 12, 2014
71. ## Math

A fish bowl is constructed out of a spherical bowl with diameter 20cm. The bowl was initially empty and water flows into the bowl at a rate of 10cm^3/s. Let V and h be the volume and depth of water in the bowl at time t seconds respectively. Find dh/dt

asked by Isabel on November 30, 2016
72. ## Maths

A metal sphere whose diameter is 150cm is lowered into the vessel till it rests on the base. Calculate, in terms of pi, the volume of water which overflows in cubic metres. The vessel has height and diameter of 2m, is a cylinder without a lid and stands

asked by Math's Noob on January 11, 2012
73. ## Chemistry

A 0.528 gram sample of a metal, M, reacts completely with sulfuric acid according to: M+H2SO4 -> MSO4+H2 A volume of 205 mL of hydrogen is collected over water; the water level in the collecting vessel is the same as the outside level. Atmospheric pressure

asked by Bill on October 16, 2012
74. ## physics

Lucy is going skin diving to see coral off the coast of Mexico in sea water with a density of 1025 kg/m^3. If she were to hold her breath as she ascends to the waters surface a)by how many times would the volume of her lungs change assuming the water

asked by Riley on July 27, 2010
75. ## Physics

The engine of a train has a mass of 5x10^4 kg. it can accelerate six railway cars having a total mass of 3x10^5 kg by 0.4 m/s^2 (the 6 railway cars have a combined mass of 3x10^5). what acceleration can the same engine using the same force give to four

asked by Jess J on April 20, 2011

The engine of a train has a mass of 5x10^4 kg. it can accelerate six railway cars having a total mass of 3x10^5 kg by 0.4 m/s^2 (the 6 railway cars have a combined mass of 3x10^5). what acceleration can the same engine using the same force give to four

asked by Jess J on April 25, 2011

The engine of a train has a mass of 5x10^4 kg. it can accelerate six railway cars having a total mass of 3x10^5 kg by 0.4 m/s^2 (the 6 railway cars have a combined mass of 3x10^5). what acceleration can the same engine using the same force give to four

asked by Jess J on April 20, 2011
78. ## English

I need to correct the verb in this sentence. If we would have had the engine tuned, I'm sure we would not be stranded on the highway now. Is this correct? If we had had the engine tuned, I'm sure we would not be stranded on the highway now.

asked by Mark on December 11, 2012
79. ## Art

Americans chose willow strips to make baskets because they were easy to blend and A-east to find •• B-rare and valuable C-multi-colored D-waterproof Correct me plz Okay I'm really sorry for posting this question again but I'm really sure it's A because

asked by Vanessa on February 1, 2016
80. ## Scient

(NaCl) solutions used in intravenous injections have a concentration of 0.90% NaCl (mass/volume). 4.5grams of NaCl are needed to prepare 500.0 mL of this solution How much water must evaporate from this solution to give a solution that is 9.0% NaCl

asked by Tina on June 18, 2016
81. ## Physics

A bubble of air, 0.010 m^3 in volume, is formed at the bottom of a lake which is 30.0 m deep and where the temperature is 8.0 C. The bubble rises to the surface, where the water temperature is 26 C and where the pressure is atmospheric pressure. What is

asked by Anonymous on December 11, 2012
82. ## Chem 104

From M1V1=M2V2 the volume of the KHP solution the molarity of the titrant and the volume of the titrant, find the molarity of the KHP solution . The KOH solution is the titrant since it is used to titrate the KHP solution. KHP mass-204.2 Mass per liter in

asked by Hannah Marie on November 10, 2016
83. ## physics 2 help please!

The space probe Deep Space 1 was launched on October 24, 1998. Its mass was 474 kg. The goal of the mission was to test a new kind of engine called an ion propulsion drive. This engine generates only a weak thrust, but it can do so over long periods of

asked by Hannah on February 10, 2011
84. ## Chemistry

Three of the primary components of air are carbon dioxide, nitrogen, and oxygen. In a sample containing a mixutre of only these gases at exactly one atmosphere pressure, the partial pressure of carbon dixoide and nitrogen are given as Pco2 = 0.285torr and

asked by Chopsticks on March 25, 2009

I know how to do the expiriment but I need help with the essay this about the glass cup over the candle and it sucks water.this is what I've got"When you put a cup on top of a lit up candle warm air gets trapped under the glass. Once the glass cools it

asked by Molisa on October 9, 2012
86. ## Physics

Physics Question Finally, your friend's twin engine jet airplane lands. As it stands on the runway, you hear the sound of the engines getting louder and softer, rhythmically once every 2.3 s. The average frequency you hear is 3650 Hz. What are the

asked by CollegeKid on December 6, 2010
87. ## Problem Solving: Make a Table

Water for irrigation is measured in acre-feet. One acre-foot is the volume of water that would cover one acre of land to a depth of one foot. How many acre-feet of water would it take to cover 600 acres to a depth of one inch?

asked by sam on December 9, 2015
88. ## physics

The load-bearing piston in a certain hydraulic system has an area 20 times as large as the input piston. If the larger piston supports a load of 2000N, how large a force must be applied to the input piston? A certain boat displaces a volume of 4.5m3 of

asked by michele on December 7, 2012
89. ## Science

The water molecules now in your body were once part of a molecular cloud. Only about onemillionth of the mass of a molecular cloud is in the form of water molecules, and the mass density of such a cloud is roughly 4.0×10−21 {\rm g}/{\rm cm}^{3} Estimate

asked by Rachel on March 24, 2011
90. ## physics

An experiment makes use of a water manometer attached to a flask. Initially the two columns in the gas manometer are at the same level and the air pressure in the flask and both sides of manometr is 1 atm. The experiment is set up when the air pressure is

asked by ms on March 23, 2012
91. ## plzz help physics

An experiment makes use of a water manometer attached to a flask. Initially the two columns in the gas manometer are at the same level and the air pressure in the flask and both sides of manometr is 1 atm. The experiment is set up when the air pressure is

asked by ms on March 29, 2012
92. ## physics

An experiment makes use of a water manometer attached to a flask. Initially the two columns in the gas manometer are at the same level and the air pressure in the flask and both sides of manometr is 1 atm. The experiment is set up when the air pressure is

asked by ms on March 29, 2012
93. ## Chemistry

How would I go about doing this problem? 146 mL of wet H2 gas is collected over water at 29.0 degrees C and room pressure of 750 torr. Give the volume of the dry H2 gas collected at STP, give the mass of the dry H2 collected, and give the volume of the dry

asked by Marie on December 8, 2010
94. ## Chemistry

I saw that article on Google - that is actually how I got the idea to sublimate the naphthalene. But thank you for the suggestion! It makes me feel much more confident to know that I am on the right track! Thank you! We have a lab where we have to separate

asked by Summer on February 27, 2007
95. ## Economics

Engineers at a national research laboratory built a prototype automobile that could be driven 180 miles on a single gallon of unleaded gasoline. They estimated that in mass production the car would cost \$40,000 per unit to build. The engineers argued that

asked by Johnny on July 6, 2009
96. ## Lang Arts! HELP!

Jaws of the Water ACT TWO At rise we see DAD, TINA, and MARK rushing in and out of the living room. Each enters carrying important items—such as sleeping bags, rain gear, and gallons of water—sets them down, and exits. All three come in together, and

asked by waldo on March 12, 2013
97. ## Physical Science

1. A silver bar 0.125 meter long is subjected to a temperature change from 200C to 100C. What will be the length of the bar after the temperature? A. 0.124764 meter (MY ANSWER) B. 0.00023635 meter C. 0.00002363 meter D. 0.0000189 meter 2. When the

asked by Anonymous on September 26, 2011
98. ## science-plz help this is so urgent!

8. a) after the oceans, where is the next largest reserve of water found? b) does this reserve contain salt water or fresh water? Fresh water lakes on the surface. Glaciers and icecaps account for a greater amount of water than lakes swamps and rivers if

asked by jen on June 7, 2007
99. ## AP Physics

6. a)A 1260 kg car accelerates uniformly from rest to 4.65 m/s in 2.6 s. Find the work done on the car in this time.Answer in units of J. b)Find the average power delivered by the engine in the first 1.768 s. Answer in units of W. c)Find the instantaneous

asked by jeff on February 26, 2011
100. ## Chemistry

An automobile tire has a maximum rating of 38.0 psi (gauge pressure). The tire is inflated (while cold) to a volume of 11.8 Liters and a gauge pressure of 36.0 psi at a temperature of 12.0 Celsius. While driving on a hot day, the tire warms to 65.0 Celsius

asked by Coco on February 20, 2015