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?
83,914 results, page 41

chem
A 30.5 g sample of an alloy at 90.7�C is placed into 48.8 g water at 22.3�C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1�C, what is the specific heat capacity... 
Math
Hank's fish bowl holds 9/10 gallon of water. It is now 2/3 full. How much water is in the bowl? I subtracted and my answer is 7/30. Is this correct? 
Chemistry
HNO3 used as a reagent has a specific gravity of 1.42 g/ mL and contains 70% by strength HNO3. Calculate: Volume of acid that contains 60 g pure acid? Volume of water required to make 1 molar solution from 2 mL concentrated HNO3? 
physics
A car and driver weighing 7750 N passes a sign stating “Bridge Out 28.5 m Ahead.” She slams on the brakes, and the car decelerates at a constant rate of 10.6 m/s2 . The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the work done stopping the car if the car... 
Physics
A car and driver weighing 7740 N passes a sign stating “Bridge Out 27.7 m Ahead.” She slams on the brakes, and the car decelerates at a constant rate of 12.3 m/s^2. The acceleration of gravity is 9.8 m/s^2. What is the magnitude of the work done stopping the car if the car... 
Math
In 500cmcube of alcohol solution the percentage of alcohol by volume is 80%. Find the volume of water that must be added to the solution so that the ratio of the volume of alcohol to that of water becomes 5:2? Please some one give me answer 
Chemistry
A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18 sample of the salt is dissolved in 100.0 of water and the ... 
Chemistry
A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18 sample of the salt is dissolved in 100.0 of water and the ... 
precalc
The city planners of bakersfield, CA are studying the current and future needs of the city. The sewage system they have in place now can support 300,000 residents. The current population of the city is 180,000, up from 122,000 eight years ago. Assuming that the population will... 
chemistry
100 mL of is initially at room temperature (22)C. A chilled steel rod at 2 C is placed in the water. If the final temperature of the system is 21.2 C, what is the mass of the steel bar? Specific heat of water = 4.18J/g(C) Specific heat of steel = 0.452J/g(C) 
physics
how do i do this A force of 230 N applied on a hydraulic lift raises an automobile weighing 6500 N. If the applied force is exerted on a 7.0 m^2 piston, what is the area of the piston beneath the automobile? a. 2.0 * 10^2 m^2 b. 4.0 m^2 c. 0.25 m^2 d. 0.0050 m^2 A water bed ... 
Chemistry
118 g of a metal at 82.0°C are added to 50.0 g of water at 31.1°C. When the system reaches constant temperature, the temperature is 40.0°C. What is the specific heat of the metal? The specific heat of water is 4.184 J/g·°C. 
College Algebra Application
Newton's Law of Cooling T(t)=T0+(T1T0)e^kt The police discover the body of a murder victim. Critical to solving the crime is determining when the murder was committed. The coroner arrives at the murder scene at 12:00pm. She immediately takes the temperature of the body and ... 
engineering
A slotted bar is attached to the origin and rotates in the horizontal plane with a constant angular velocity of 0.665 radians/s . The bar moves a roller weighing 33.6 lb along the cam's perimeter. A spring holds the roller in place; the spring's spring constant is 1.34 . The ... 
Physics
Inside an insulated container, a 250g ice cube at 0°C is added to 200 g of water at 18°C. (i) What is the final temperature of the system? (ii) What is the remaining ice mass? 
History
How did the political policies of Augustus contribute to the growth and longevity of the roman empire A. He used democratic elections to fill seats in the senate and used the senate as a consul. B. He shared equal power with the consuls and therefore avoided any corruption. C... 
algebra
how much water at 90 degree fahrenheit must be mixed with 30 gallons of water at 40 degrees fahrenheit so that the resulting temperature of all of the water would be 75 degree fahrenheit 
Math help
A spherical water tank holds 15.000ft^3 of water. Find the diameter of the tank ( hint: V=pi/6*D^3 
English/History/Art
Can someone tell me sites (not a search engine or wikipedia!) where I can find information on James Tissot's "The Concert" and "The Young Woman in a Boat" art pieces? I need to know the themes of these paintings, but I can't seem to find any relevant websites. 
Calculus 3
Vectors The thrust of an airplane's engine produces a speed of 400 mph in still air. The wind velocity is given by <20,30>. In what direction should the plane travel to fly due south? Give your answer as an angle from due south. 
Physics
A helicopter winches up an injured person from a boat. The person plus equipment has a mass of 104 kg. If the height of the lift is 84 m and it is carried out at a uniform rate over 70 s, what is the power expended by the helicopter's winch motor? Assume that the engine is 61... 
Physics
A helicopter winches up an injured person from a boat. The person plus equipment has a mass of 104 kg. If the height of the lift is 84 m and it is carried out at a uniform rate over 70 s, what is the power expended by the helicopter's winch motor? Assume that the engine is 61... 
Resources and references
When conducting research on the Internet. What is starting point for determining how to start the research? A: How many times I will need to revise a report? B: Do you want to use a search engine or search directory? C: Do I want an opinion about this topic or factual ... 
college
105 of is initially at room temperature (22). A chilled steel rod at 2 is placed in the water. If the final temperature of the system is 21.3, what is the mass of the steel bar? Specific heat of water = 4.18 Specific heat of steel = 0.452 
CHEMISTRY
A 47.5g sample of metal is heated to 300.0ºC and placed in a calorimeter containing 75.0g water at 22.0ºC. The final temperature of the system is 40.0ºC. What is the specific heat of the metal? (the specific heat of water is 4.18 J/g ºC) Thanks for your time helping! 
stats
The per capita consumption of coffee by people in the United States in a recent year was normally distributed, with a mean of 24.2 gallons and a standard deviation of 8.1 gallons. What proportion of people in the U.S. drink more than 20 gallons of coffee a year? 
programming ,object oriented
The Parasol Insurance Group sells a variety of insurance policy types. Design a flowchart for a program that accepts a client’s name and “Y’ or “N’ string answers to questions about whether the client wants each of the following policy types: homeowners ($800 ... 
chemistry
liquid water + liquid oil + water vapor how many phases does this system have? If it's 3 ... why can't we say it's 2 taking in consideration the liquid part and the vapor part "states of matter also called phases" ... Please try to explain this concept if you can! thanks! 
Chemistry  Correction
I just wanted to be sure if my answers make any sense. Thank you; For the reaction of ammonia: N2(g) + 3H2(g) > 2NH3(g) suppose equilibrium has been established. Explain how and why the position of equilibrium will shift in response to the following changes: (a) ... 
Math
Q. There is a hot hair ballon festival in System Springs. Seventy two gallons registered to participate,paying $25 each. Five of those who registered didn't show up and we refunded half of their money.mthree additional balloons showed up and paid the registration cost plus an ... 
College
What is one strength you see in the current U.S. health care system? What is one weakness you see? List and describe one of the challenges facing the U.S. health care system. 
Math
Why is the Cartesian System unique? The Cartesian System is unique because you can specify any point uniquely in a two or three dimensional space by using two or three Cartesian coordinates 
physics
An open tank holds water 1.25 m deep. If a small hole of cross section area 3cm^2 is made at the bottom of the tank, calculate the mass of water per second initially flowing out of the hole. (g=10m/s^2, density of water= 1000 kgm^3) 
Science
An open tank holds water 1.25m deep. If a small hole of cross section area 3cm^2 is made at the bottom of the tank, calculate the mass of water per second initially flowing out of the hole. (g=10m/s^2, density of water= 1000kg/m^3) 
Math
The Martin family's truck gets an average o 25 miles per gallon. Predict how many miles they can drive using 7 gallons of gas? Answer: 25 miles per gallon x 7 gallons used=175 miles driven 175/7=25 Can you please check the above answer? Thank you 
Math
Maria uses 5 1/3 gallons of gas to drive to work and back four times. How many gallons of gas does Maria use in round trip to work? Maria's car gets 28 miles to the gallon. How many miles is her round trip to work? 
Chemistry
You decide to establish a new temperature scale on which the melting point of ammonia (77.75 C ) is 0 A, and the boiling point of ammonia (33.35 C ) is 200 A. What would be the boiling point of water in A ? What would be the temperature of absolute zero in A ? 
Physics (algebrabased)
A child holds a candy bar 13.4 cm in front of the convex sideview mirror of an automobile. The image height is reduced by one fifth. What is the radius of curvature of the mirror? Answer in units of cm. I did 1/5=image distance (i)/13.4>i=2.68 1/f=1/2.68+1/13.4>... 
Algebra
A used car has a value of $15,250 when it is purchased in 2012. The value of the car decreases at a rate of 7.5% per year. Write an exponential function that models the value of the car, y, over x years. To the nearest cent, what will be the value of the car after eight years? 
physics
How can I calculate the tension in the two cords that are labeled A and B in a two mass system? Cord A is on top with a 1 kg mass attached and Cord B connects this mass to a 2 kg mass. The two mass system accelerates directly upward at 2m/s^2. 
Algebra
1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 56 houses available. Use ... 
Algebra
Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a)The sales representative informs you that there are two floor plans still available, and that there are a total of 56 houses available. Use x to... 
please help me paraphrase
"The Antartic is the vast source of cold on our planet, just as the sun is the source of our heat, and it exerts tremendous control on our climate,"[Jacques] Cousteau tole the camera. "The cold ocean water around Antartica flows north to mix with warmer water from the tropics... 
government
the debate over the powers of the presidency is essentially a debate a. about article III of the constitution b. between supporters of a strong presidency and supporters of a weak presidency c. about the system of checks and balances d. about the electoral college system b 
algebra
the primeter of a rectangle is 24ft. the length is 2 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width, write the first equation. 2x+2y=__ write the second equation. x=y+__ ... 
science
How did the sun wind up in the middle of the solar system? Did the materials, gas and dust that eventually formed the planets come from the sun? Since our solar system is already formed, we must try to reconstruct its history by studying current star formation in our local ... 
Biology
Proteins are manufactured from the "blueprints" found on DNA. After they are translated, they are moved through a system of internal membranes before being distributed throughout the rest of the cell. At some point in this process, they are modified to their functional form... 
Chemistry
Which substance ( HBr or HF ) has the higher boiling point? Its HF but chose one of the most appropriate reason. 1. Both substances are nonpolar but the higher boiling includes hydrogen bonding 2. Both substances are nonpolar but the higher boiling is more polarizable 3. The ... 
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. 
Math
A pilot of a single engine airplane flies at a constant speed of 200 km/h at a bearing of 25 degree north east there is 40 km/h crosswind blowing south east 45 degree what are plane's actual speed and direction ? 
physics
A small weather rocket weighs 14.7 N. The rocket is carried up by a balloon. The rocket is released from the balloon and fired, and its engine exerts an upward force of 10.2 N on the rocket. What is the acceleration of the rocket? 
Astronomy
In one sentence I need to describe the shapes of the orbits of the planets. The shape must be accounted for in a model of the solar system, and of the solar system formation. My answer would be that the shapes of the orbits are round. Yet this seems to obvious! Need help.. is ... 
Chemistry
Two substances in a glass beaker react chemically and the glass beaker becomes too hot to touch. A. Is this an exothermic or endothermic reaction. It would be exothermic, right? Because energy is released? B. If the two substances are defined as the system, what constitutes ... 
Java
I need help putting the following trace into pseudocode 1 public class testOperators 2 { 3 public static void main(String[] args) 4 { 5 int x; 6 int y = 12 7 double z = 13.0; 8 x = 14 9 System.out.println(“x + y + z = “ + (x + y +z)); 10 x += y; 11 y; 12 z++; 13 z *= x; ... 
world history
Can you check my answer? Question: What was the political system like in most parts of Africa [Ashanti and Ibo are good examples] Answer: In most parts of Africa the political system had no ruler to control the villagers so the citizens made their own decisions. 
math
Create a linear system to model this situation. Then use substitution to solve the linear system to solve the problem.  Bobbie has been saving dimes & quarters to buy a new toy. She has a total of 28 dimes and quarters, with a value of $4.30. How many of each type of coin ... 
Algebra 2
The Ferris wheel in the figure has a radius of 68 feet. The clearance between the wheel and the ground is 14 feet. The rectangular coordinate system shown has its origin on the ground directly below the center of the wheel. Use the coordinate system to write the equation of ... 
Physics
An automobile with a mass of 100kg is moving north on a level straight highway with a constant velocity of 80km/h. What is the unbalanced force acting on the automobile? 
Physics
The four tires of an automobile are inflated to a gauge pressure of 1.84E+5 Pa. Each tire has an area of 0.0237 m2 in contact with the ground. Determine the weight of the automobile. 
physics
An automobile travelling with an initial velocity of 25m/s is accelerated to 35m/s in 6 second. The wheel of automobile is 80cm in diameter. Find the angular acceleration 
Science
May you please tell me if these are true or false, if they are false then can I have the true statement, thank you In the water cycle, water returns to Earth as (condensation) usually in the form of rain or snow During dry weather, the water level in a small pond drops because... 
CHEMISTRY
90.0 of is initially at room temperature (22.0). A chilled steel rod at 2.0 is placed in the water. If the final temperature of the system is 21.3, what is the mass of the steel bar? Specific heat of water = 4.18 Specific heat of steel = 0.452 
Math
At a community picnic, the following liquids were combined to make a punch: 3 gallons of water 1.5 gallons of cranberry juice 1 pint of strawberry juice 1 cup of grape juice 3 quarts of pomegranate juice How much punch was made in all for the community picnic? Give your answer... 
algebra
theperimeter of a rectangle is32 ft. The lenght is 12 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the lenght and y be the width write the first equation 2x2y= write the second equation x=y+ what is... 
algebra
The Kwon family has a rainwater catchment system they use to water their garden. After 3 days without rain, the depth of water in the tank is 63 inches. After 5 days, the depth is 57 inches. What will the depth of water in the tank be after 17 days? 
is apple a computer or operating system?
is Apple a computer or the computers operating system? or Is mac the computer and apple the operating system? 
Physics
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1500 kg automobile traveling at 42 m/s comes to a halt after its brakes are applied, how much can the ... 
physics
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1280 kg automobile traveling at 30.8 m/s comes to a halt after its brakes are applied, how much can the ... 
physics
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1250 kg automobile traveling at 37.2 m/s comes to a halt after its brakes are applied, how much can the ... 
physics
When a driver brakes an automobile, friction between the brake disks and the brake pads converts part of the car's translational kinetic energy to internal energy. If a 1250 kg automobile traveling at 37.2 m/s comes to a halt after its brakes are applied, how much can the ... 
POL201
A federal system differs from a unitary system in that: A) power is concentrated in one central government. B) subgovernments delegate power to the central authority . C) power is distributed between the central government and other governmental units. D) the central ... 
Math palette of problems
If 2/9 gallon of water fills a bucket 3/5 full, how many gallons of water are needed to fill the bucket? 
WORD PROBLEM HELP
Mr. Wu needs to buy a right cylindrical fish tank that holds between 75 and 100 cubic meters of water. Using only these numbers: 2,3,4,5,6, and 7, identify a radius and a height for three different tanks that would fit Mr.Wu"s requirements. The same number may be used more ... 
Chemistry
A sample of 9.4 grams of NaOH is dissolved into 693 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.37 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? ... 
Chemistry
A sample of 6.41 grams of NaOH is dissolved into 675 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.28 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? ... 
Chemistry
A sample of 5.61 grams of NaOH is dissolved into 627 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.16 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the final solution? ... 
creating enviornment
which of the following behaviors might be resolved by changing the environment? a. two children fighting over a toy fire engine. b. children wandering rather than participating in activities during center time. c. children climbing on furniture d. all of the above 
check geo
In the 1800s_____ opened up the western U.S to immigration and buisiness. A)the transcontinental B)the underground railroad c)route 66 D)cattle farming 1)a Canada was originally a ______ of great britian. A)dominion B) confedracy c) loyalist system d) bilingual system 2) b The... 
Centrifulag pump curve
Q4 The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve. Service duty point : 3 m3/h Backwash duty point : 9 m3/h Part (a) (4 marks) What is the speed of the pump to ... 
Physics
A cubic solid of plastic floats in water with 2/3 of its volume below the water line. What is the density? If the total volume of the block in the above question is 6.4 * 10^5 m^3 what is the buoyant force on it? 
math
the jenkins started their trip with a full tank of gas and 48,961 miles on their car.They stopped and filled the gas tank seven hours later with 14.0 gallons of gas.At that time the car total mileage was 49,381. The jenkins car traveled an average of how many miles per gallon ... 
S.S
in what way did the structure of the Virginia house of the Burgesses influence the governments of the states and eventually the national government created by the U.S. Constitution? A. It established an elected representative legislature B. It set up a court system that ... 
chem class
which of the following has the highest boiling point? a)C2Cl6 b)C2Br6 c)C2H6 d)C2F6 e)C2I6 i know its e, but why is that the answer? are all questions about boiling points similar? or they they have to do with intermolecular forces? i have a test soon on boiling point problems... 
Physics
(Apparently, I'm not allowed to post URLs, but this question is better illustrated by a diagram, i39. tinypic. com/ 17e336. jpg) <P[BOX A]<Q[BOX B]<R[BOX C] There are three boxes attached together with string and being pulled across a frictionless surface... 
English
Please Check, Thank You! When choosing your search strategy for a search engine, it's best to A. Combine keywords into phrases by using quotation marks B. Enter the least important word first C. use verbs, articles, and capitals D. Ignore alternate spellings Answer A 
physics
The brakes on your automobile are capable of creating acceleration of 14 ft/s2. If you are going 66 mi/hr and suddenly see a state trooper, what is the minimum time required to get your car to 55 mi/hr? 
physics
a 1240 kg automobile stops in a distance of 41m. if initial velocity was 22.5m/s, what force did the road exert on the car to stop it? Answer pls... Thank You 
physics
a 1240 kg automobile stops in a distance of 41m. if initial velocity was 22.5m/s, what force did the road exert on the car to stop it? Answer pls... Thank You 
Home maintenance
Im researching some costs of different air conditioners and for warranty it said: one year full and five year sealed system warranty what does the five year sealed system warranty mean? 
college
Your training coordinator has requested that you speak about the flow of information into and out of your local police department case management system. You are preparing to give an oral presentation to your coworkers at the upcoming weekly training meeting. Your training ... 
Physics
During a particular thunderstorm, the elctric potential difference between the clouds and the groud is VcloudVgroud = 10^9 volts with the cloud being at the higher potential. Now, there is a lightning flash in which a charge of 25C is transferred from the ground to the cloud... 
physics
Bottled water costs $0.55 for a 0.5 liter bottle. What would it cost to fill a bathtub with bottled water. The bathtub holds 7.13 cubic feet of water. (Recall that 1.00 inch = 2.54 cm, and that a liter is exactly 1000 cm3). 
Math
There 1170 students in a school. The ration of girls to boys is 23:22. The system below describes relatioonships between the number of girls and the number of boys. g+b=1170 g/b=23/22 a. what's the proportion for g when you solve it? b. how do you solve the system? 
Chemistry
43. List and describe three factors that influence solubility: (Sourcewikipedia) The solubility of a given solute in a given solvent typically depends on temperature. For many solids dissolved in liquid water, the solubility increases with temperature up to 100 °C. In liquid... 
Maths
The famous mathematicians,their life and contribution in the field of mathematics.PLZ help. The list of famous mathematicians is a long one. You can at least a dozen names here: http://www.mathematicianspictures.com/Shirts.htm#Themathematicians Pick some you are interested in ... 
Physics
A heat engine carries 2.60 mol of an ideal monatomic gas around the cycle shown in the figure. Process 12 takes place at constant volume and takes the gas from 300 K to 600 K, process 23 is adiabatic and takes the gas from 600 K to 455 K, and process 31 takes place at a ... 
math
points) You arrive home to find that your 55 foot by 20 foot basement has 6 inches of water in it. a) If 1 cubic foot of water is about 7.48 gallons, how much water will you be pumping out of your basement? Express your answer rounded to the nearest tenth of a gallon. 
American Government
Why is it easier for the prime minister of Britain to pass legislation than it is for the U.S. president? * The United Kingdom is a federal system where the prime minister is chosen by the British queen. This provides the prime minister the opportunity to be politically ... 
Physics
can someone check? Which has greater volume: 1 kg of gold or 1 kg of water? a. The gold has greater volume. b. The water has greater volume. c. Gold and water have the same volume. Is it a? I know it's not b. The stones in an arch are . . . a. rarefied b. torqued c. under ... 
physics
A 40g block of ice is cooled to −71°C and is then added to 590 g of water in an 80g copper calorimeter at a temperature of 27°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter. (If not all the ice melts, determine how much...