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 49

Precalculuscheck answers
Describe the linear programming situation for this system of inequalities where you are asked to find the maximum value of f(x,y)=x+y. Answer: an optimal solution 2)Describe the linear programming situation for this system of inequalities: Answer: an optomal solution 
PreCalculuscheck answers
Describe the linear programming situation for this system of inequalities where you are asked to find the maximum value of f(x,y)=x+y. Answer: an optimal solution 2)Describe the linear programming situation for this system of inequalities: Answer: an optomal solution 
PreCalculus check answers
Describe the linear programming situation for this system of inequalities where you are asked to find the maximum value of f(x,y)=x+y. Answer: an optimal solution 2)Describe the linear programming situation for this system of inequalities: Answer: an optomal solution 
physics
1) A fask has the following features; a plastic stopper glass walls with silver coating on both sides vacuume between walls plasic spacer Which features of the flask reduce energy transfer by: a) radiation b) conduction c) convection 2) Many vacuume flasks have steel walls ... 
World History
what is the danger of Lenin's idea of party leadership? Lenins idea of party leadership was dangerous because in such a corrupt system, a party was terrible for the local environment. Many people would fight for the top leadership position. thanks. why did the Germans allow ... 
math
1) A tank holds water with a base 2 ft by 6 ft. If a rectangular solid whose dimensions are 1 foot by 1 foot by 2 feet is totally immersed in water, how many inches with the water rise? A)1/6 B)1 C)2 D)3 E)12 ^I got B 2) AB+BA= CDC IF each of the four letters in the sum above ... 
AlgrebraSystems of Equations
A collection of dimes and quarters is worth $19.85. There are 34 more dime than quarters. Write a system of equations that can be used to find how many of each type of coin there are in the collection. 
AP Chemistry
I am doing a lab on finding the molecular mass of a volatile liquid. I first need to find the volume of water in the test tube. (V= m/d) ... but how do I find the density of the water in the first place to use it in the equation? (I am not given the volume (it's what i'm ... 
Chemistry
Divers know that pressure exerted by the water increases about 100kPa with every 10.2 m of deptt. This means that at 10.2 m below the surface, the pressure is 201kPa; at 20.4 m, the pressure is 301kPa; and so forth. Given that the volume of a balloon is 3.5 L at STP and that ... 
Physics
A spacecraft of mass 2000kg, moves at a constant speed of 7800m.s in space. the main engine switched on for 10s during which time the exhaust gases travels at 10 000m.s. As a result of this, the craft travels at 8000m.s after 10s. Calculate the mass of the exhaust gas. 
Calculus
Find the volume of the solid of revolution obtained by revolving the plane region R bounded by y= x^5, the yaxis, and the line y=3 about the xaxis So far: y=x^5 is equal to x=5th root y. I've plugged that in to pi(r^2)h, and got V = pi ∫[0,3] y^(2/5) dy. so far I've gotten... 
Calculus
A road perpendicular to a highway leads to a farmhouse located 6 mile away. An automobile traveling on the highway passes through this intersection at a speed of 55mph. How fast is the distance between the automobile and the farmhouse increasing when the automobile is 2 miles ... 
history
( ) around my answer. If nothing is there then i don't know What is one important achievement of the Incas? A. a written language B. a system of democratic government C. a system of roads and bridges D. an accurate calendar What is one way in which the Incas increased their ... 
history
The automobile facilitated the idea of worshipping at the altar of materialism. The development of the automobile helped to change the American culture by allowing individuals another avenue to show wealth and treasure it, two critical elements of the New Era. Could someone ... 
geometry math
There is an upsidedown cone that is 12m high and has a circular base with a radius of 4m that is being filled with liquid. Make V, the volume, a function of the height of the liquid, h. What is the volume of the cone when the water is 5m deep? V = (1/3)pi*r^2*h This formula ... 
college chemistry
Dry ice is solid carbon dioxide. Instead of melting, solid carbon dioxide sublimes according to the following equation: CO2(s)> CO2(g). When dry ice is added to warm water, heat from the water causes the dry ice to sublime more quickly. The evaporating carbon dioxide ... 
Chemistry Lab
Data and Calculations: 1. Volume of water in calorimeter: 100.0 mL 2. Mass of water in calorimeter (water's density 1.00g/mL): 100.0g 3. Initial Temperature of water in calorimeter:19.5 degrees Celsius 4. Final Temperature of water in calorimeter: 3.0 degrees Celsius 5. Final ... 
ap chemistry
The system CO2(g) + H2(g) *) H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO. How many moles of CO2 must be added to the system to bring the equilibrium CO ... 
AP Chemistry
The system CO2(g) + H2(g)<>H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO. How many moles of CO2 must be added to the system to bring the equilibrium CO ... 
physical
in a water tank is filled wiyh 1026 lter of water,we want to mixed sodium nirtride by 17% of the water,how much we used sodiume nitride in kilogram in to the water? 
Physics
A 325 kg boat is sailing 15.0 degrees north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0 degrees north of east at a speed of 4.00 m/s. During this time three forces act on the boat: a 31.0 N force directed 15.0 degrees north of east (due to an ... 
math
The Green County school system has 2,997 high school students, 3,831 middle school students, and 5,084 elementary school students. How many total students are in the Green County school system? is it 11912 ? 
SOCIAL STDIES HELP!sss
1. Which of the following contributed to the rise of the Populist Party? (1 point) a sense of discontent and inequality felt by farmers and laborers an agreement with Republican politics a need to keep government exactly as it was a desire to see Democrats be voted out of ... 
geometry and trig
If a cylinder with a 4 inch diameter and a 6 inch height holds 1 pound of oatmeal. How much oatmeal will a cylinder (similar) with a 10 inch diameter hold? Volume of 4 in24pi volume of 10 in137pi I get 91 oz choiced are37,44,74, 192 
Chemistry
The water from a hydrated magnesium salt is driven off by heat in a closed system. If the steam generated exerts a pressure of 24.8 atm in a 2L container 120 degrees C, determine the number of moles of H2O driven from the compound. 
Calculus
Rainflow is a new U Shaped system of guttering. The cross section is a semi circle with a radius of x topped by an open rectangle of height h. The total distance ABC is 20cm For which values of x and h will rainflow carry the most water ? 
Chemistry
A chemist needs to prepare a buffer using the carbonate system (information in the table in the previous quetion) with a final pH of 10. Which components should they mix in water to product this buffer? Question options: H2CO3 HCO3 CO32 
Physics
Could you please check my answers and units.Also, help me with 3 and 4, I don't quite understand them. Thanxs! 1. An automobile starts from rest and accelerates at 3m/s2 for 4 seconds. How fast is it going after acceleration? I got 12 m/s 3. At time = 0 an automobile already ... 
Science ~CHECK MY WORK PLEASE~
Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He decreased the density by ... 
Chemistry
A Balloon Time® tank holds 15% excess capacity to fill 50 helium balloons measuring 9” or 0.5 ft3 in volume at 1 atm and 22 oC. The gauge pressure of a new tank is 260 psi. What is the volume of a Balloon Time® tank in ft3? 
college physics
an automobile starts from rest and accelerates to a final velocity in 2 stages along a straight road. each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.0m/s^2. the magnitude of the car's velocity at the end of stage 2 is 2.5 ... 
Physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 2.7 m/s2. The magnitude of the car's velocity at the end of stage 2 is 2.... 
physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.5 m/s2. The magnitude of the car's velocity at the end of stage 2 is 2.... 
physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.3 m/s2. The magnitude of the car's velocity at the end of stage 2 is 2.... 
physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 2.03 m/s2. The magnitude of the car's velocity at the end of stage 2 is 4... 
physical
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.19 m/s2. The magnitude of the car's velocity at the end of stage 2 is 2... 
physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 2.84 m/s2. The magnitude of the car's velocity at the end of stage 2 is 2... 
physics
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.12 m/s2. The magnitude of the car's velocity at the end of stage 2 is 3... 
Physics
An automobile has four tires, each one inflated to a gauge pressure of 176,357 Pa. Each tire is slightly flattened by its contact witht he ground, so that the area of contact is 21.9 cm by 17.9 cm. What is the weight of the automobile? 
Chemistry 12
4. a. Using Le Chatelier's principle, what effect will an increase of temperature have on the following system? H2O(l) + 57 kJ ↔ H+(aq) + OH(aq) b. What is the expression for the constant for this reaction? c. What effect will an increase in temperature have on the ... 
Physics
Some rental cars have a GPS unit installed, which allows the rental car company to check where you are at all times and thus also know your speed at any time. One of these rental cars is driven by an employee in the company's lot and, during the time interval from 0 to 10 s, ... 
Physics
A certain spring has a spring constant of 165 N/m. A 20kg mass is attached to the end of the spring. While the mass is at the equilibrium position, it is given a velocity of 8m/s downward. What is the total energy of the system, and aacceleration of the system when it is at ... 
math
After 75 gallons of oil are removed from a cylindrical thank, its level is lowered from 1/6 to 1/7 of its capacity. How many gallons should now be added to the tank to fill it? 
physical science
A merchant in Kathmandu sells you a solid gold 1kg statue for a very reasonable price. When you get home, you wonder whether you got taken, so you lower the statue into a container of water and measure the volume of displaced water. Show that for 1 kg of pur gold, the volume ... 
chemistry kinetics
The reaction SO2Cl2(g) → SO2(g) + Cl2(g) is a first order reaction carried out at constant volume at 600 K whose t1/2 is 4.1 hr. The initial pressure of SO2Cl2 is 1.25 atm. What will be the total pressure of the system after 1 hour? 
physics
A spacecraft is traveling with a velocity of v0x = 5690 m/s along the +x direction. Two engines are turned on for a time of 845 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.35 m/s2, while the other gives it an acceleration in the +y ... 
Dynamics
a 1500 kg automobile is travelling upto 20 degrees inclined at a speed of 6m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels 
dynamics
A 1500 kg automobile is treveling upto 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5 m, determine the frictional force at pavement which must be supplied by rear wheels. 
Social Studies
Western democracies are referred to as representative democracies. They share a common ideology. However, when they transform theory into practice, differences occur. One important difference is a matter of emphasis. Should a system emphasize liberal or responsible principles... 
pre calc
Let t be time in seconds and let r(t) be the rate, in gallons per second, that water enters a reservoir: r(t)=700−40t. a) For 0≤t≤30, when does the reservoir have the most water? b) For 0≤t≤30, when does the reservoir have the least water? 
math, please help!!!!
Let t be time in seconds and let r(t) be the rate, in gallons per second, that water enters a reservoir: r(t)=700−40t. a) For 0≤t≤30, when does the reservoir have the most water? b) For 0≤t≤30, when does the reservoir have the least water 
11th grade
An automobile starts from rest and accelerates to a final velocity in two stages along a straight road. Each stage occupies the same amount of time. In stage 1, the magnitude of the car's acceleration is 3.3 m/s2. The magnitude of the car's velocity at the end of stage 2 is 2.... 
Social Studies
Out of the experience of an extraordinary human disaster that lasted too long, must be born a society of which all humanity will be proud. The time for the healing of the wounds has come. The moment to bridge the chasms that divide us has come. Never, never and never again ... 
Geometry
Need help solving this problem so confused The tries of an automobile have a diameter of 22 inches. If the wheels revolve ten times, how far does the automobile move? Round your answer to the nearest tenth of a foot and show your work 
Math 9th
I've been trying to figure this one out all day. I have to use either substitution or elimination to solve a system for how many cookies and brownies two kids sold at a bake sale. The system is: c+b=600 $.35c+$.75b=$360 (obivously, c is the amount of cookies they sold,[35 ... 
algebra 1
The table that follows shows the relationship between the boiling temperature of water (°F) and the altitude (per thousand feet): Boiling Point of Water Altitude (1000 ft.) Temperature (°F) 8 197.6 4.5 203.9 3 206.6 2.5 207.5 Gemma and Tessa need to find the rate of change ... 
algebra 2
The table that follows shows the relationship between the boiling temperature of water (°F) and the altitude (per thousand feet): Boiling Point of Water Altitude (1000 ft.) Temperature (°F) 8 197.6 4.5 203.9 3 206.6 2.5 207.5 Gemma and Tessa need to find the rate of change ... 
MATH
The table that follows shows the relationship between the boiling temperature of water (°F) and the altitude (per thousand feet): Boiling Point of Water Altitude (1000 ft.) Temperature (°F) 8 197.6 4.5 203.9 3 206.6 2.5 207.5 Gemma and Tessa need to find the rate of change ... 
chemistry
this is a really long question. i don't understand how to answer it. help please. A 10.0% aquueous solution of sulfuric acid has a density of 1.0661 g/mL at 20 degrees celsius. A. how many grams of H2SO4 are found in 50.0 g of this solution? B. how many grams of water are ... 
chemisty problem help
Carbon12 contains 6 protons and 6 neutrons. The radius of the nucleus is approximately 70 pm. Calculate the volume of the nucleus and the volume of the atom. What percentage of the carbon atom's volume is occupied by the nucleus? Can someone tell me how to do this? Volume= 4/... 
English
1. We can use less water when we do the dishes. 2. We can use less water when we are doing the dishes. 3. We can use only a little water when we wash a car. 4. We can use only a little water when we are washing a car. ===================== Are they all grammatical? What is the... 
Algebra 1 (Reiny or Kuai)
1. Which xvalues should I choose to graph these equations (y = x; y = x + 6) so that they intersect? 2. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system of ... 
math
Let t be time in seconds and let r(t) be the rate, in gallons per second, that water enters a reservoir: r(t)=700−40t. a) For 0≤t≤30, when does the reservoir have the most water? b) For 0≤t≤30, when does the reservoir have the least water 
chemistry
What is the boiling point of the solution in which you are going to cook spaghetti if it contains 51.0 g of NaCl dissolved in 1.30 L of water? Assume the density of water is 1.00 g/mL. Use molar masses with at least as many significant figures as the data given. Enter your ... 
Physics
the heating element of a coffee maker operates at 120 V and carries a current of 2 A. Assuming that the water absorbs all of the energy converted by the resistor, calculate how long it takes to heat .500 kg of water from room temperature 23 degrees C to the boiling point. 
Physics
the heating element of a coffee maker operates at 120 V and carries a current of 2 A. Assuming that the water absorbs all of the energy converted by the resistor, calculate how long it takes to heat .500 kg of water from room temperature 23 degrees C to the boiling point. 
waist water treatment
1/Why do the following components need to be removed from sewage under current law before it can be discharged on the surface water? Nitrogen Algea growth in receiving water Growth of waterborne diseases Turbidity increase of receiving water Oxygen depletion of receiving water... 
Literacy
A strong search strategy for a search engine would include which of the following? A. Entering one or two related words B. Using several synonymous terms in the search C. Reading all the hits from your first search D. Using quotation marks, hyphens, and unique words my answer ... 
Physics
A 360 g model rocket is on a cart that is rolling to the right at a speed of 2.5 m/s. The rocket engine, when it is fired, exerts an 8.5 N thrust on the rocket. Your goal is to have the rocket pass through a small horizontal hoop that is 20 m above the launch point. At what ... 
Math
Rick's car gets 29.7 miles per gallon on the highway.If his fuel tanks hold10.45 gallons,then how far can he travel on one full tank.? 
Math
Rick's car gets 29.7 miles per gallon on the highway.If his fuel tanks hold10.45 gallons,then how far can he travel on one full tank.? 
Chemistry
A sample of zinc with a mass of 14g was heated to 98 degree celsius in boiling water and then dropped into a beaker containing 4.5x10^4ng of water at 25 degree celsius. when the water and metal came to thermal equilibrium, the temperature is 29 degree celsius. what is the ... 
physics
How long does it take an automobile traveling 68.3 km/h to become even with a car that is traveling in another lane at 54.3 km/h if the cars’ front bumpers are initially 121 m apart? Answer in units of s. 
physics
How long does it take an automobile traveling 64.7 km/h to become even with a car that is traveling in another lane at 53.7 km/h if the cars’ front bumpers are initially 132 m apart? Answer in units of s 
Physics
How long does it take an automobile traveling 74.3 km/h to become even with a car that is traveling in another lane at 58.3 km/h if the cars’ front bumpers are initially 114 m apart? Answer in units of s 
physics
How long does it take an automobile traveling 66.8 km/ h to become even with a car that is traveling in another lane at 50.8 km/ h if the cars" front bumpers are initially 144 m apart? Answwe in units of s. 
physics
Which of the following could be considered to be an 'accelerator' in an automobile? A. brake pedal B. gas pedal (choose this one but says wrong) C. steering wheel D. All of these can cause the car to accelerate. 
Physics
How long does it take an automobile traveling 68.5 km/h to become even with a car that is traveling in another lane at 56.5 km/h if the cars’ front bumpers are initially 145 m apart? Answer in units of s. 
Physics
The makers of a certain automobile advertise that it will accelerate from 15 to 50 mi/hr in high in 13 sec. Compute (a) the acceleration in ft/ sec2, and (b) the distance the car travels in this time, assuming the acceleration to be constant. 
Physics
How long does it take an automobile traveling 62.9 km/h to become even with a car that is traveling in another lane at 48.9 km/h if the cars’ front bumpers are initially 130 m apart? Answer in units of s. 
Physics
A force of 132 new inns is applied in pushing a stalled autoMobile at constant speed for a distance of 150 m. How much work is done in joules on the car by the force ? 
physics 2
if 120 g of hot water at 85 degree celsius is poured into an insulated cup containing 200 g of ice at 0 degree celsius. how many grams of liquid will there be when the system reaches thermal equilibrium? 
science
1. Scientists hypothesize that the sun formed ____. (1 point) less than a billion years ago from a cloud of gas and dust less than a million years ago from a chunk of Jupiter 2. Two of the inner planets are ____. (1 point) Venus and Saturn Mars and Venus Earth and Pluto ... 
calculus
6. A parabaloid with height h and radius r has volume 1/2 pieR^2H. Consider a parabaloidshaped water tank with height of 7m and radius of 4m. If V is the volme of water in the tank and h is the depth of water, find the relationship between dV/dt and dhdt. How is the volume ... 
Analytical Chemistry
Solute S has a partition coefficient of 4.3 between water (phase 1) and hexane (phase 2). (a) Calculate the concentration of S in hexane if [Swater] is 0.030 M (b) If the volume of water is 71.0 mL and the volume of hexane is 16.0 mL, find the quotient (mol S in hexane/mol S ... 
English
Can you please check the following sentences? I really hope you can have a look at them. 1) The King of Sicily gave a jeweller some gold and asked him to make a crown from it. In order to make sere the jeweller used only gold (?), the king went to ask Archimedes for help. 2) ... 
Chemistry 1046
A metal, M, of atomic mass 91 amu reacts with fluorine to form a salt that can be represented as MFx. In order to determine x and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.05g sample of the salt is dissolved in 100.0 g of water ... 
help with molar mass in CHEMISTRY
200 g of a nonelectrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass? (the Kb for water is 0.51 C/m) I know deltaT = 0.51 C/m but where do I go from there? 
Chemistry
which property of a distilled water solution will not be affected by adding 50 mL of CH3OH to 100.mL of the water solution at 25? conductivity mass freezing point boiling point please help 
math  5th grade ratios
The ratio for makig 4 gallons of light yellow paint is 1 gallon of white / 3 gallons yellow. Find the ratio for making 20 gallons of light yellow paint. 
Physics
When heating water on a stove, a full pan of water takes longer to reach the boiling point than a pan that is half full. Why? 
Chemistry
A gas occupies a volume of 40 ml at 734.8 mm and 22* C . The gas was collected over water and the water level inside the eudiometer is the same as that outside. What is the volume of dry gas at S.T.P? 
Physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation ... 
physics
A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20% of the gravitation ... 
Physics  Angular Momentum
A 230 kg beam 2.4 m in length slides broadside down the ice with a speed of 22 m/s. A 65 kg man at rest grabs one end as it goes past and hangs on as both he and the beam go spinning down the ice. Assume frictionless motion. a) How fast does the center of mass of the system ... 
Chemistry
The bad smell of water containing hydrogen sulfide can be removed by the action of chlorine. The reaction is H2S(aq) + Cl2(aq)>2HCl(aq) + S(s) If the hydrogen sulfide content of contaminated water is 22 ppm by mass, calculate the amount of Cl2 (in grams) required to ... 
algebra
A leaky value on the water meter overcharge the residents for one gallon of water every 1 1/3 months.the overcharged amount w varies directly with time t find the equation that models this direct variation how many months it will take for the residents to be overcharged for 5 ... 
physics
A spacecraft is traveling with a velocity of v0x = 6370 m/s along the +x direction. Two engines are turned on for a time of 843 s. One engine gives the spacecraft an acceleration in the +x direction of ax = 1.20 m/s2, while the other gives it an acceleration in the +y ... 
physics
an air craft of mass 5110 kg flying in level flight at speed of 398 knots air enters the engine is 65 kg/s and the jet speed relative to the air craft is 610 m/s if the lift drag ratio is 10 find accerlation and power and thrust thanks if any one can help i done it but i get a... 
Science
The engine of a motorcycle can produce a maximum acceleration 5 meters per second square. Its brakes can produce a maximum retardation 10meters per second square. What is the minimum time in which it can cover a distanceof 1.5km