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 59

chem
A mass of 7 kg of water is raised from 8 degrees C to the boiling point 100 degrees C. How much heat is required? The specific heat of water is 1000 cal/kg · degrees C. Answer in units of cal I got 644000, is that right? 
physics
A room has a volume of 164 m3. An airconditioning system is to replace the air in this room every 26.8 minutes, using ducts that have a square cross section. Assuming that air can be treated as an incompressible fluid, find the length of a side of the square if the air speed ... 
math
Joe has $10,000 to purchase a used car. If the sales tax is 7% and the fee for title and license plates is $200, what is the maximum amount Joe can spend for a car? 
math
Joe has $10,000 to purchase a used car. If the sales tax is 7% and the fee for title and license plates is $200, what is the maximum amount Joe can spend for a car? 
business
Assume that you are part of the management team of Nordstrom’s department store. The retail industry and Nordstrom’s is under a great deal of pressure due to the state of the economy. Research the retail clothing industry and Nordstrom’s in particular using an online ... 
chemistry
a 50.0 ml sample of water is heated to its boiling point. how much heat (in KJ) is required to vaporize it? (assume a density of 1.00g/ml). 
CHEMSIRTY
How much energy would it take to warm 30.0 g of water at 35 oC to the boiling point and boil all the liquid away? 
chemistry
what pressure, in atmosphere, is exerted by 0.52 mol of water vapor at its boiling point of 100 degrees celcius in a 3L teakettle? 
Chemistry
Is the equation of the chemical reaction that occurs when you blow your breath through boiling water? CO2 + H2O > H + HCO3 
Chemistry
What is the boiling point of a solution that contains 1.20 mole of sodium chloride in 1000 g water? KbH2O = 0.512C/ molal 
chemistry
Question Part Points Submissions Used A swimming pool, 20.0 m ✕ 12.5 m, is filled with water to a depth of 3.85 m. If the initial temperature of the water is 18.9°C, how much heat must be added to the water to raise its temperature to 28.7°C? Assume that the density ... 
dynamics
The freerolling ramp has a weight of 135 lb The crate whose weight is 72 lb slides from rest at A , 15ft down the ramp to B. The ramps is also at rest when the crate is at A. Assume that the ramp is smooth, and neglect the mass of the wheels. basicall the picture looks like ... 
English
Which sentence includes an adjectival phrase? a. The American chameleon, a type of lizard, can change colors to blend with the environment. b. The fastest land mammals, cheetahs, reach speeds in excess of 65 miles per hour. c. The length of a person's forearm can often be used... 
Math
A box that holds an expensive pen has square ends, and its length is 13 cm longer than its width. The volume of the box is 60 cm^3. Determine the dimensions of the box. 
Chemistry
A 72.2 g ice cube floats in the Arctic Sea. The temperature and pressure of the system and surroundings are at 1 atm and 0°C. Calculate ΔSsys, ΔSsurr, and ΔSuniv for the melting of the ice cube. (The molar heat of fusion of water is 6.01 kJ/mol.) 
Chemistry
(DrBob222 please help me) What would be the final temperature of the system if 16.6 g of lead at 138 ◦C is dropped into 23.4 g of water at 8.68 ◦C in an insulated container? The specific heat of lead is 0.128 J/g◦C. Please explain with the numbers plugged in ... 
Physics
In a physics experiment, Wendy immersed a copper of mass 300g in 100 degree C in boiling water and left it there for several minutes. She then transferred the cube to 0.2 kg of water at 10 degrees C. The final temperature of the mixture was 21 degrees C. What value did she get... 
Science
Table 1: Temperature and volume data Trial Temperature (Celsius) Volume (mL) Starting Volume Room Temperature = Hot Water Trial 1 107 5.6ml Hot Water Trial 2 108.3 5.4ml Cold Water Trial 1 lo 4.4ml Cold Water Trial 2 lo 4.4ml PLOT AREA (Insert a graph that you either drew here... 
English
1. When my teacher stopped [making reeds. Sending] all of her students on a wild goose chase. a. no change b. reeds. Thus sending c. reeds, she sent d. reeds, sending 2. They tend to take their time sending reeds to [you. I usually] have to wait a. no change b. you, usually I ... 
Algebra
5) How many solutions does the system of equations have?x4y=12 and 5x20y=60 A.one B.two C.infinitely many D.none 6) How many solutions does the system of equations have? y6x=3 and 4y24x=16 A.one B.two C.infinitely many D.none 
physics pressure/gas
Suppose 2500 J of heat are added to 4.1 mol of argon gas at a constant pressure of 120 kPa. (Assume that the argon can be treated as an ideal monatomic gas.) Find the change in internal energy. I started using U = N (3/2 kB T). But I have too many unknowns. The only other ... 
Algebra 116
1. The perimeter of a rectangle is 126 m. The length is 6 m more than twice the width. Find the dimension. a. What is the length ____ m? b. What is the width ____ m? 2. Two angles are complementary. The sum of the measure of the first angle and half of the second angle is 72 ... 
chemistry
600 gallons of 15 M nitric acid were added to a lake. The initial pH of the lake was 5.90 and the final pH was 3.70. What is the volume of the lake? 
Chemistry
320.0 gallons of 15 M nitric acid were added to a lake. The initial pH p the lake was 6.30 and the final pH was 4.60. What is the volume of the lake? 
Physics
Consider the figure below. (Let w1 = 150 N and w2 = 38.0 N.) (a) What is the minimum force of friction required to hold the system of the figure in equilibrium? N (b) What coefficient of static friction between the 150N block and the table ensures equilibrium? (c) If the ... 
Chemistry
1) how many joules are required for each of the following? A)Heating 55g of water from 12 degree Celsius to 76 degree Celsius B) Melting 12.8g of ice at 0 degree Celsius. c) Boiling 21.1 g of water at 100 degree Celcius 
chemistry
Write the balanced net ionic equation for each of the following: 1) The reaction of dilute nitric acid with solid aluminum oxide. 2) The reaction of nitrous acid (HNO2) with potassium permanganate to produce nitrate and Mn(II) ions. Thanks for any help. How much of this do you... 
Algebra
An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on the number of engines made. If x engines are made, then the unit cost is given by the function =Cx+−0.2x248x21,748 . What is the minimum unit cost... 
ALGEBRA
An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on the number of engines made. If x engines are made, then the unit cost is given by the function =Cx+−0.2x248x21,748 . What is the minimum unit cost... 
MATH 4 GRADE
Josh is watering his plants. He gives each of 2 plants 3/5 pint of water. His watering can holds 1/5 pint. How may times will he fill his watering can to water both plants> show a visual model to solve 
southuniversity
You have been hired as the marketing manager. Research and identify major approaches of how innovations like these are adopted by consumers. Discuss how the marketing strategy for the car needs to rapidly move through these processes. Who or what are the key groups that need ... 
MATH
The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600volt station draws 200A from the line, how much ... 
math
In a car repair shop there are 50 cars to be repaired . It is estimated that 23 of that cars need new brakes , and 34 of that cars need to repair the exhaust system . a. How many cars are in need of repair at least two? b . What most cars that are not in need of repair both? 
physical
At a distance of 30 m the noise from the engine of an jet has an intensity level of 130 dB. At this level, you will be in pain and your ears will hurt. That's why this intensity is know as the "pain threshold". How far do you have to be from a jet (total distance in meters), ... 
physics
At a distance of 30 m the noise from the engine of an jet has an intensity level of 130 dB. At this level, you will be in pain and your ears will hurt. That's why this intensity is know as the "pain threshold". How far do you have to be from a jet (total distance in meters), ... 
Chemistry
Muriatic acid is the common name of industrialgrade hydrochloric acid (HCl). One of its uses is to clean or etch concrete in preparation for sealing or painting. It is typically sold in 5.00 gallon buckets, with a concentration of 11.7 M. a.What volume of concentrated ... 
Algebra 2
Tickets to the school musical cost $3 for students and $5 for non students. Total ticket sales were $1790. The number of student tickets sold was 100 less than twice the number of non student tickets sold. Write a system of equations to represent this situation. Solve the ... 
Physics
A 1500 kg car is travelling at 20 m/s. It brakes to a stop causing the brake pads to heat up from 25 degrees Celsius to a temperature too hot to touch. The total mass of the pads altogether is 4.0 kg and their heat capacity is 8.9 x 102 J/kg0C. If these pads are removed from ... 
physics
The system shown below consists of a block of mass M = 4.4 kg resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging block of mass m = 1.9 kg. The pulley is a uniform ... 
Writing Essay 5th grade
Hello, I got an assignment writing persuasive essay why we should save water? Could plz check my essay and guide me if I need to change anything. Thank You for your help. Why we should save water. (Persuasive Essay) Have you wondered why we should save water and how we can ... 
physics
Seat belts and air bags save lives by reducing the forces exerted on the driver and passengers in an automobile collision. Cars are designed with a "crumple zone" in the front of the car. In the event of an impact, the passenger compartment decelerates over a distance of about... 
accounting 201
I am having trouble figuring out my accounts payable and capital. Any help on going about and solving this would be greatly appreciated. I have listed the data below... Travis Fortney, an architect, opened an office on April 1, 2010. During the month, he completed the ... 
Physics
In a particular crash test, an automobile of mass 1295 kg collides with a wall and bounces back off the wall. The x components of the initial and final speeds of the automobile are 25 m/s and 1.5 m/s, respectively. If the collision lasts for 0.11 s, find the magnitude of the ... 
Physics
If we examine a ball in free fall, we find that the momentum of the ball is not constant. This is not a violation of the law of conservation of momentum because A) the force of gravity acts on the ball. B) the ball experiences an external force. C) the system is not closed. D... 
English/ Help
. Which of the following sentences is written correctly? A When properly designed, an automobile can achieve great fuel efficiency. B. When properly designed an automobile can achieve great fuel efficiency. C. When properly designed, great fuel efficiency can be achieved by an... 
english
Which of the following sentences is written correctly? A When properly designed, an automobile can achieve great fuel efficiency. B. When properly designed an automobile can achieve great fuel efficiency. C. When properly designed, great fuel efficiency can be achieved by an ... 
ict year 8
i know this question has been asked before but i can`t find the answers on the other sites mentioned before. I need to find the definition of intranet, advanced search , search engine , attachment , groups, html, and hyperlink and also i need to give examples if possible. Also... 
Algebra
I keep confusing myself when I look at this word problem. I am not sure if I am setting it up correctly. Any advice would be appreciated. It has several parts to it. 1. Suppose you are in the market for a new home and are interested in a new housing community under ... 
Physics
A decibel meter reads 130 dB at a certain position from a jet plane when one engine is turned on. a) What is the sound intensity at that position? b) What would be the sound level at the same position if two engines are turned on each having the same intensity as the first? ... 
Chemistrygases
Nitrogen dioxide reacts with water and oxygen in the atmosphere to produce acid rain. 4NO2(g) + 2H2O(g) + O2(g) = 4HNO3(g) Assuming that the temperature and the pressure remain constant, calculate the volume of air at 1 atm, 20 C, necessary to dilute the HNO3(g) to 0.080 ppm (... 
Chemistrygases
Nitrogen dioxide reacts with water and oxygen in the atmosphere to produce acid rain. 4NO2(g) + 2H2O(g) + O2(g) = 4HNO3(g) Assuming that the temperature and the pressure remain constant, calculate the volume of air at 1 atm, 20 C, necessary to dilute the HNO3(g) to 0.080 ppm (... 
Math
1) Find the solution to the following system of two linear equations, if it has a solution. 2xy=3, x+y=1 2Find the solution to the following system of two linear equations, if it has a solution. 2x+y=4, x+3/2y=3 
Chemistry
Given the equilibrium reaction N2(g) + 3 H2(g) <> 2NH3(g) + heat, an increase in temperature will: a) Increase the value of K b) Decrease the value of K c) Increase or decrease the value of K depending upon the concentration of reactants d) Will have no effect on the ... 
Math
A prototype rocket burns 159 gallons of liquid hydrogen fuel each sound during a regular launch. Make a table that shows how many gallons of fuel are burned after 2,3,5, and 10 seconds. 
math
A prototype rocket burns 159 gallons of liquid hydrogen fuel each second during a regular launch. Make a table that shows how many gallons of fuel are burned after 2,3,5, and 10 seconds. 
Algebra II
1) when using cramer's rule to solve the system of equations containing 5x  y = 5 and 3x + y = 9 the denominator for the x and y variables looks like which of these determinants ? a) 5 5  b) 5 1 3 9 3 1 c) 5 1 9 1 d) none of these 2) when using cramer's rule... 
chemistry
The molar mass of a volatile liquid(one which vaporizes easily) can be determined by a the 'Dumas Method.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that has a small hole (pin ... 
AP Chemistry
The molar mass of a volatile liquid (one which vaporizes easily) can be determined by a the DUMAS METHOD.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that has a small hole (pin ... 
7th grade health please help Ms. Sue!
1. Which substance found in tobacco is a drug that speeds up the heartbeat? (1 point) Tar Carbon monoxide Nicotine Emphysema 2. Which substance found in tobacco causes emphysema, a disease of the lungs? (1 point) Tar Carbon monoxide Nicotine Secondhand smoke 3. Which substance... 
Chemistry
Gasoline is primarily a mixture of hydrocarbons and is sold with an octane rating that is based on a comparison with the combustion properties of isooctane. Gasoline usually contains an isomer of isooctane called tetramethylbutane (C8H18), which has an enthalpy of vaporization... 
chemistry
Rank the following 3 compounds in terms of increasing boiling point: CCl4, CH4, CH2Cl2  Rank the following 3 compounds in terms of increasing boiling point: CF4, CH4, CH2F2  Water, H2O, is a liquid at room temperature. Hydrogen selenide, H2Se, is a homologue compound. At ... 
Computer Programming
Java Programming Question: basically want to keep the user in a loop that displays the menu and requests a user choice again and again until the user enters choice option 0 and exits the program. When Option 1 is chosen, I want to ask the user, "How many numbers to add?" After... 
dynamics
A helical spring of stiffness k is cut into two halves and a mass m is connected to the two halves. The natural time period of this system is found to be 0.5 s. If an identical spring is cut so that one part is onefourth and the other part threefourths of the original length... 
physics
Specific heat capacity of a certain metal is found by heating the metal and then placing it into water which is in a container made of the same material. The metal has mass of 100g and is heated to 100 degrees celsius. The container has mass of 200g and contains water of 500g ... 
algebra
The power P needed to propel a boat is directly proportional to the cube of the speed of the boat. A 100 hp engine is needed to propel a boat at 15 knots. Find the power needed to drive the boat at 20 knots. 
Bio1100
a 17g object dropped in water makes the volume rise from 6 to 20 ml: what is its volume, what is its density? 
Math
Not Urgent But Please Check My Answer: A pencil at a stationery store costs $1, and a pen costs $1.50. Stella spent $21 at the store. She bought a total of 18 items. Which system of equations can be used to find the number of pencils (x) and pens (y) she bought? I think it is ... 
chemistry
to find the molarity of an aqueous solution of an ionic solid what do you need to know? a... mass of solid, formula of solid, volume of water b...moles of solid, formula of solid, volume of water c....mass of solid, formula of solid, volume of solution d....moles of solid, ... 
physics
A hydraulic jack is used to move an 8896 Newton car. If the area of the output piston is 8 times that of the input piston, how much force is required to lift the car? 
Algebra
The formula r =2 sqrt.5L can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will a car skid at 60 mph? 
Algebra
The formula r=2sqrt(...)5L can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will a car skid at 70mph? 
science
a car is used to move a crest of mass of 645kg on a horizontal road the horizontal force exerted is 15000n the coefficient of kinetic friction is 0.8 calculate the acceleration of the car 
MATH
the dimension of an aquarium are 20 inchs long ,14 inchs wide, and 18 inches high. if 231 cubic inches of water weighs 1 gallon, how many gallons of water are in the aquarium to the nearest gallon? 
physics
Two 2.3 kg balls are attached to the ends of a thin rod of negligible mass, 65 cm in length. The rod is free to rotate in a vertical plane about a horizontal axis through its center. With the rod initially horizontal as shown, a 44 gm wad of wet putty drops onto one of the ... 
chemistry
the heat capacity of copper is 0.382J/g degrees celsius. a 22.6g sample of copper at 93 degrees celsius is placed in 50g of water at 23.9 degrees celsius. what is the final temperature of the system? 
math word problem
In the U.S., we often write dates such as July 4, 1776, as 7/4/76. In other countries, the month is given second and the same date is often written as 4/7/76. If you do not know which system is being used, how many dates in a year are ambiguous? 144 132 100 Depends on leap ... 
math
if a car averages 11 1/8 miles to a gallon of gas, how many miles can it travel on 18 gallons of gas? 
English
How is Hamlet hypocritical with Rosencrantz and Guildenstern? Provide 2 examples. Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. Be sure to go back into your textbook or use... 
science
A homeowner determined that he used 114 gallons of oil every month to heart his home during the winter. this information would be considered part of his ___________________. 
MATH
Anna bought seven half gallons of apple juice and 18 quarts of orange juice. How many gallons of juice did she buy 
English
This is the title of my ESSAY paper: United States vs. Denmark: Which health system works better for the citizens of the nations? I need to put this into a title for my paper (<12 words), in the form of a question. But, I can figure out how to shorten this questions. Please... 
Science
which of the following is an example of a chemical change? A)Iron changes when heated B)Gas bubbles form in boiling water C) Balls of wax form when melted wax is poured into ice water. D)A gas forms when vinegar and baking soda are mixed My Choice D 
English
Question 9 How is an amount indicated for a noncount noun? add an es to the noun include a noncount noun first add an s to the noun include a count noun first Question 10 Count nouns are usually what type of words? wrong specific limitless abstract Question 11 Noncount nouns... 
Physics check my answers!
Check my answers thanks! 1. A diesel automobile outputs ThermE, RadE, ElectE and KinE from an input of a. NuclE b. ChemE c. ElectE d. KinE I think its b Two race cars cross the finish line at exactly the same time but the first car is twice as massive as the second car. How ... 
Project Management
How does the responsibility matrix assist the project manager and resource managers to allocate resources to a project? Is this tool used by your Company? If so, is it effective? If not would it be effective if instituted? Why, what were/would be the benefits? I worked in an ... 
physics
Find the threshold energy that the incident neutron must have to produce the reaction 1 n 0 + 4 He 2> 2 H 1 + 3 H 1 For this, like the 1 n 0< it is supposed to be written like 1 on the top 0 on the bottom next to n. like the atomic number of neutron and the other ... 
computers
I need help with the following: Consider a system that uses pure demand paging. a.When a process first starts execution, how could you characterize the page fault rate? b.Once the working set for a process is loaded into memory, how would you characterize the page fault rate? ... 
statistics
In a poll of 700 selected people in the USA who are 50 years or older, 20% said they would prefer a complete overhauling of the social security system. Estimate the population proportion of the USA of 50 years or older who would prefer a complete overhauling of the social ... 
Physics
Two electrons are fixed 2cm apart. Another electron is shot from infinity and comes to rest midway between the two fixed electrons. A)Find the energy of the system initially( unknown quantity leave as a variable) B) Find the final energy of the system?( unknown quantity leave ... 
Algebra II
You have a 12 gallon bucket filled with water, and empty 7 and 5 gallon buckets. Without using any other measuring devices, and without estimating a halfway point on the buckets, how can you equally divide 6 gallons of water into 2 of the buckets. PLEASE SHOW WORK 
math
you estimate that the trip to pick up your friends, go to the restaurant and movies, and return home will be about 75 miles. your parents car gets 22.5 miles to the gallon around town. how many gallons of gas will you need to buy? 
Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C? 
Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C? 
Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C? 
Physics
a particle (C) of mass m = 0.2 kg can slide without friction on an inclined plane making an angle alfa (a) = 30 degrees with respect to the horizontal (aka ground) . (C) is launched at at an instant to=0 along a line Ox of greatest slope with an initial velocity of Vo =5 m/s... 
Math
Kick is family drank a total of 42.5 gallons of milk in Jan and Feb. her family drank 5.3 gallons more milk in Feb than Jan. How many gallons of milk did kilos family drink in February? 
7th Grade Math
What is the radius of a CD in cm? What\'s the height of a CD cm? What\'s the volume of the CD? What\'s the measure of the radius in the center of the CD to the beginning of the music area and the volume of it? Subtract the answer from Part D from your answer in Part C and find... 
Chemistry
n our text book the following equation is given: P=(pm  p)g * R where P is the pressure drop R is the manometer reading pm is the density of the manometer fluid p is the density of the process fluid in the pipe g is the acceleration do due to gravity Then our professor told ... 
Computer Science
I posted this question before. The assignment was: write a Java method if the first parameter is less than the second parameter add the two and print the result ten times. How do I write the result 10 times as a loop? This is what I've got but I have a ton of errors that I can... 
PHYSICS
which dam must be stronger, one that hold back 100000 m^3 of water 10 meters deep or one that holds back 1000 m^3 of water 20 meters deep