# 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?

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## Social Studies

Name 3 things that the Maya developed.... 1-their own writing system 2-their own counting system (including zero) 3-built 100 stone cities Is #3 correct? I can't find anything else! -
## social studies Part 1 unit test

Justinian’s code became the backbone of modern Europe’s 1.Phone system 2 alphabets 3 legal system 4 religions -
## Finance

Fox Hollow Franks is looking at a new system with an installed cost of $540,000. This equipment is depreciated at a rate of 20 percent per year (Class 8) over the project’s five-year life, at the end of which the sausage system can be sold for $80,000. -
## psychology

* Prepare one cup with sugar water and one with fresh water. * Take a sip of the sugar water and swish it around in your mouth for several seconds without swallowing it. Gradually, it should taste less sweet. (Dispose of the sugar water) * Taste from the -
## Can someone proofread before submission?

Narcotics trade is one of many criminal activities that exist today, and therefore particular actions will have to be taken according to the intensity of the situation. The police officer investigating a large narcotics trafficking organization will gather -
## Chem=continued

I'm currently working on a lab in which I have to make the solution boil at 245 degrees F. The solution will be a mix of ethylene glycol and I have to caluculate the volumes of water and solute needed to make the solution. here's my work so far. X= mL -
## Social studies

Can you check my answers? 1;what was the effect of WWI on SC? A;state economy shrunk*** B;citizens used more resources C;factoryy production slowed D;women worked mens jobs 2;How did the end of WWI affect farmers in SC? A;crop prices dropped*** B;rural -
## ENDOCIRNE SYSTEM

HOW ENDOCRINE SYSTEM FUNCTION -
## Math

The U.S. Department of Defense makes use of statistics in designing weapon systems for tanks and other forms of armor. By measuring the results of the firing of a weapons system under simulated combat conditions, ballistics researchers can estimate the -
## geometry-volume

Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you! -
## Physics

the volume of a monoatomic ideal gas doubles in an adiabatic expansion. by considering 135 moles of gas with an initial pressure of 330kPa and an initial volume of 1.2m^3, the gas is then expands adiabatically to a volume of 2.4m^3. FIND THE WORK DONE BY -
## math

The pressure P, of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that a particular amount of a gas is initially at a pressure of 84 Pa at a volume of 36 L. If the volume is expanded to 216 L, what will the new -
## Literacy

1) A strong search strategy for a search engine would include which of the following? A. Using quotation marks, hyphens, and unique words B. Entering one or two related words C. Using several synonymous terms in the search D. Reading all the hits from your -
## Chemistry of Life

Which statement is true about water molecules? The oxygen atom has a negative charge. The hydrogen atoms do not share electrons. Water molecules move randomly around each other. Water molecules cannot dissolve many substances. Question 2. How does water -
## critical thinking

The amount of water needed daily by plants for photosynthesis, cell growth, and cell maintenance is very small, and yet plants require large volumes of water in order to live. It is estimated that over 90 percent of the water absorbed by plants is lost -
## Biology

In a lab on lung capacity where lung volumes (Tidal Volume, Expiratory Reserve Volume, Inspiratory Capacity, Inspiratory Reserve Volume, and Vital Capacity) are measured... Why can't you measure the Inspiratory Reserve Volume (IRV) directly? (In the -
## Biology

In a lab on lung capacity where lung volumes (Tidal Volume, Expiratory Reserve Volume, Inspiratory Capacity, Inspiratory Reserve Volume, and Vital Capacity) are measured... Why can't you measure the Inspiratory Reserve Volume (IRV) directly? (In the -
## Physics

A rectangular barge 6 m long and 3 m wide float in fresh water. Water density is 1000 kg/m^3 horse? Answer in units of m. If the barge can only be pushed 5.34722 cm deeper into the water before water overflows to sink it, how many 350 kg horses can it -
## water dynamics

a projectile 20ft in lentgh 4-6 thousand lbs traveling @ 100mph @ 100ft below water surface can be stopped and/or have said projectile change its course by using how many pounds of water preasuure to achieve goal? And what are the approximate dimensions of -
## Calculus - free body diagram

A water tank has the shape of an inverted right circular cone whose base radius is equal to half its height. Water is being pumped in at 2 cubic meters per second. How fast is the water rising when the water is 3 meters deep? -
## physics

find the magnitude of the linear momentum of (a)7.1-kg bowling ball traveling at 12 m/s and(b)a 1200-kg automobile traveling 90-km/h -
## programming

the drive-rite insurance company provides automobile insurance policies for drivers. design a FLOWCHART for the following: -
## physics

What speed would a fly with a mass of 0.61 g need in order to have the same kinetic energy as a 1250 kg automobile traveling at a speed of 11 m/s? -
## physics

What speed would a fly with a mass of 0.71 g need in order to have the same kinetic energy as a 1250 kg automobile traveling at a speed of 11 m/s? -
## physics

an automobile with an initial speed of 43 cm/s (accelerates uniformly at the rate of 3m/s^2). what is the final speed and the displacement after 5 sec? -
## Chemistry

How would I graph this: (I don't understand the whole with [1/volume] (units=1/mL) on the X-axis ) According to Boyle's Law, pressure is inversely proportional to volume, so prepare a graph of the data, with [1/volume] (units=1/mL) on the X-axis and -
## CHECK my answers for drivers education please!

11. The only sure way to reduce the body’s BAC and the degree of impairment is to (1 point) take a cold shower. wait the necessary time the body needs to eliminate the alcohol.*** handle a sudden emergency. consume several cups of black coffee. 12. -
## science

A horizontal spring-mass system has low friction, spring stiffness 210 N/m, and mass 0.6 kg. The system is released with an initial compression of the spring of 11 cm and an initial speed of the mass of 3 m/s. suppose that there is energy dissipation of -
## Geometry

Infinitely many different sectors can be cut from a circular piece of paper with a 12-cm radius, and any such sector can be fashioned into a paper cone with a 12-cm slant height. (a) Show that the volume of the cone produced by the 180-degree sector is -
## geometry

11. Infinitely many different sectors can be cut from a circular piece of paper with a 12-cm radius, and any such sector can be fashioned into a paper cone with a 12-cm slant height. (a) Show that the volume of the cone produced by the 180-degree sector is -
## chemestry

A gas is contained in a metal cylinder with a piston, so that the volume of the cylinder can change. If the gas initially occupies volume of 664 ml at 471 mmHg, what will be the volume if the temperature is kept constant and the pressure is changed to 408 -
## chemistry

Molar Volume of Sodium If you assume that an atom is a hard sphere, you can estimate the average volume of space it occupies using basic geometry. Question Estimate the volume, V , of a sodium atom ( Na ) using its metallic radius of 186 -
## Math

The pressure P of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that A particular amount of a gas is initially at a pressure of 104 Pa at a volume of 108 L. If the volume is expanded to 432 L , what will the new -
## socials environment

i have to make poster that show global environmental problem of present and future. i got to divide my paper into 4 seprate component and label air, water, soil, and forests and i have to draw 4-10 environmental problems in each component quarter, and on -
## World History

Which accurately describes European feudalist society? In the feudal system, approximately 90 percent of people were peasants, and most were practicing Catholics. In the feudal system, approximately 60 percent of people were clergy, and most were -
## Chemistry

Pure water is added to 25.0 mL of a 1.00 M HCL solution. The new solution has a volume of 2.00 L. What is the pH of the new solution. -
## Interaction of Forces

The ball in the image below is rolling toward the block. The ball will create a disturbance in the stability of the block by knocking it over. Which of the following correctly predicts what will happen to the block? [image of ball rolling toward tall, -
## Pre Calculus

Newton's law of cooling T(t)= Tm + (To-Tm)e^-kt, k >0\ Evaluate T(0). Simplify and explain the result I'm very confused on how to do this, i think i will be able to explain the result but if you could help me simplify this that would be great, Thank you -
## Maybe you know this one..

Heyy, I posted this before but it kinda got pushed down and ignored, and I was hoping maybe DrBob might have an idea since no one else did! okay I have this question about chemistry and its driving me nuts. It feels like I am so close but am just missing -
## chemistry

Imagine a hypothetical reacion for which, H = 0 kJ · mol−1. Considering the Le Chatelier principle, which of the following statements is true? a. Raising the temperature of the system will have no effect. b. Raising the temperature of the system -
## algebra

a storage bin is shaped like a cylinder with a hemisphere shaped top. the cylinder is 45 inches tall. the volume of the bin is 4131 pi cubic inches. find the radius of the bin. i think [4(pi)r(cubed)]/3=volume of hemisphere and h (pi) r squared volume of -
## College Algebra

A merchant blends tea that sells for $5.45 a pound with tea that sells for $2.45 a pound to produce 80 lb of a mixture that sells for $3.95 a pound. How many pounds of each type of tea does the merchant use in the blend? lb (at $5.45/lb) lb (at $2.45/lb) -
## math

A merchant blends tea that sells for $4.40 a pound with tea that sells for $2.30 a pound to produce 120 lb of a mixture that sells for $3.00 a pound. How many pounds of each type of tea does the merchant use in the blend? -
## chemistry

1-What are the characteristics of the benzene molecule and those of the obtained product(1,2,3,4,5,6-hexachlorocyclo hexane). 2-The volume of used chlorine Cl when added to benzene is 240cm^3. What minimal volume of benzene is needed so that all of -
## chemistry

1-What are the characteristics of the benzene molecule and those of the obtained product(1,2,3,4,5,6-hexachlorocyclo hexane). 2-The volume of used chlorine Cl when added to benzene is 240cm^3. What minimal volume of benzene is needed so that all of -
## math

a spherical ball requires approximately 900cm2 of material in order to make it. Find the volume of the ball : The volume is 2579.325cm3 NOW The ball is sold in a rectangular prism shaped box. What percentage of the volume of the box is taken up by the -
## check my work geometry volume

Find the missing measure for each pyramid 1) area of base = 1,470 cm^2 volume= 22,050 cm^3 what is the height?______ I got 15cm^2 2) height = 26 feet volume= 11,466 ft^3 what is the area of the base?_____ I got 441 ft^2 Thank you! -
## physical science

For each pair of substances, which of the substance with more thermal energy and explain why. a.500 g of water at 35„aC vs. 500 g of water at 85„aC b.500 g of water at 35„aC vs. 250 g of water at 35„aC I don't know how to determine the answer -
## Physics

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the pressure is 165kPa (kilopascals). What is the volume when the pressure is 60kPa? -
## Physics

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 2 L, the pressure is 1065 kPa (kilopascals). What is the pressure when the volume is 15 L? -
## Chemistry

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 2 L, the pressure is 1065 kPa (kilopascals). What is the pressure when the volume is 15 L ? -
## physics

In which of the situations listed below is energy being transferred as heat to the system in order for the system to do work? In which situation is work being done on the system in order for energy to be transferred from the system as heat? a. Two sticks -
## Chemistry

Why V versus P might appear to be straight, based on the range of your data. Use an illustration in addition to your description to clarify your explanation. For my graph, I have a straight line with a negative slope. I think because the range is small -
## science

Does water with salt boils faster than plain water Yes, salt increases the waters boiling point and therefore a higher temperature is needed for the water to boil. Salt does, indeed, increase the boiling point of water due to the salt but it will take -
## algebra

Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) 4x + 2y = 12 5x − 4y = 2 -
## algebra

Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) x − y = 2 2x + 3y = 19 -
## science

so would it be better to place a wilted flower in tap water or distilled water? Answer: I would say distilled water because it contains a lower cocnentration of solute than the flower and therefore the water would more easily diffuse into the flower. Tap -
## SCI

so would it be better to place a wilted flower in tap water or distilled water? Answer: I would say distilled water because it contains a lower cocnentration of solute than the flower and therefore the water would more easily diffuse into the flower. Tap -
## algebra

A perfume maker wishes to blend perfume valued at $ 410 an ounce with perfume worth $ 250 an ounce to obtain a mixture of 40 ounce worth $ 300 an ounce. How much of the $ 410 perfume should he use? -
## Pre-Calc

A rectangular package to be sent by a delivery service can have a maximum combined length and girth (perimeter of a cross section) of 120 inches. a. Show that the volume of the package is V(x)= 4xsquared(30-x) b. Use your graphing calculator to find the -
## ISBM

CASE STUDY : 2 The price P per unit at which a company can sell all that it produces is given by the function P(x) = 300 — 4x. The cost function is c(x) = 500 + 28x where x is the number of units produced. Find x so that the profit is maximum. Question: -
## Computer programming

(Simplified Water Bill Computation) The bill for a water service subscriber is prepared as follows: 1. The name of the water consumer is entered 2. The previous water meter reading in cubic meters (reading last month) from the consumer’s meter is -
## physics, social studies

The amount of water needed daily by plants for photosynthesis, cell growth, and cell maintenance is very small, and yet plants require large volumes of water in order to live. It is estimated that over 90 percent of the water absorbed by plants is lost -
## CJS230- Corrections

Final Project: A World Apart Germany and America · Resources: Appendix A and Corrections: The Fundamentals · Select a country outside of the United States and research its correctional system. · Write a 1,050- to 1,400-word paper in APA format comparing -
## Physics (Please help!!!)

1) An ideal gas occupies a volume of 0.60 m^3 at 5atm and 400K. What volume does it occupy at 4.0atm and a temp of 200K? I know how to find the volume with the m^3 and the atm but it threw me off since it gives the 4.0 atm and the temp 200K. -
## Physics

The popular Super Soaker water guns are powered by compressed air (provided by a hand pump used by the operator.) A certain model has a cylindrical reservoir (where the water is held) 8.00 cm in diameter and a barrel (where the water leaves the gun) 1.00 -
## math

In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: 1) The depth (amount) of rain that fell (in mm). 2) The -
## Chemistry

A student dissolved 1.62 g of calcium bicarbonate into 500. mL of water. Excess amount of hydrobromic acid was then added to the solution until bubbling stopped. At STP, what approximate volume (in L) of the gaseous compound would be produced in this -
## SCIENCE

I cannot find this in my book. Perhaps you could give me a web site to refer to It is estimated that industries and sewage treatment facilities discharge into the Chesapeake an amount of waste water equal to ____% of the volume of the bay annually a. 5 b. -
## Chemistry

When 0.40 g of impure zinc reacted with an excess of hydrochloric acid, 127 mL of hydrogen was collected over water at 10 degress C The external pressure was 737.7 Torr. a) What volume would the dry hydrogen occupy at 1.00 atm and 298 K ? b) What amount -
## calculus (PRE)

This may be simple, but I'm not getting it. An open box of maximum volume is to be made from a square piece of material, 24cm on a side, by cutting equal squares from the corners and turning up the sides. The table for it is: Height(x) Volume(V) 1 484 2 -
## Chem

Assume the volume of a filter flask is 250.0mL. You have added (25.0 + 10.0)mL of solution so the volume of gas is (250.0 - 35.0) = 215.0mL. Calculate the extra volume of gas forced into the burette because of the measured average temperature of 23 degrees -
## chemistry

A fully sealed 50m^3 room at atmospheric pressure and temperature 20C contains two ballons, one containing helium and the other containing oxygen. The balloons each have a volume of 0.5m^3 and have gauge pressure 2m of water. The balloons are ruptured and -
## Chemistry

A 4.30g sample of solid BaCl2 2H2O was heated such that the water turned to steam and was driven off.Assuming ideal behavior, what volume would that steam occupy at 1.00atm and 373K? -
## Math

Deternmine the volume of a cylinder with a radius of 5cm and a height of 30cm. How long would it take it to fill this cylinder with water if you were using a fountain with a flow rate of 2400 mL/min? 1cm^3=1mL -
## Chemistry

A certain amount of calcium reacts with water and the formed hydroxide 49g completely neutralized phosphoric acid. Calculate the volume of hydrogen obtained, at STP, and the mass of calcium. -
## Physics

Sorry for the repost, i made a typo in the original post's subject. A dry water well is 1.5 m in radius and 5.0 m deep. In order from lowest to highest, the fifth resonant frequency of this well is closest to ... I know that it is an open-closed system, -
## 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 2.00L container at 120 degrees C, determine the number of moles of H2O driven from the compound. -
## Math

During a tournament, 4 players on the school golf team drank equal amounts of water from a 6-liter water jug. They drank all of the water. Which equation can be used to find the number of liters of water that each player drank? -
## chemistry

hydrogen gas has a Henry's law constant of 1.07e-6 M/mm Hg at 25 Celsius when dissolving in water. if the total pressure of gas (H2 gas plus water vapor) over water is 1.0atm, what is the concentration of H2 in the water in grams per milliliter? -
## Physics

a 0.30-m radius automobile tire rotates how many rad after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 3.54-s interval -
## physics

The sound of heavy automobile traffic, heard at a certain distance, has a sound level of about 75 dB. What is the intensity of the noise there? answer in W/m^2. -
## math

an automobile traveling in a straight line at the speed of 70 km/hrs, slow down to 50 km/hrs in 5 seconds. What is the average acceleration? -
## phisecs

In a collision, an automobile of mass 826 kg stops with constant acceleration in 20 m from an initial speed of 17 m/s. What is the acceleration of the car in m/s -
## physics

An automobile that has a mass of 1.3 x 103 Kg, has 3.9 x 105 J of kinetic energy when it has speed of 24.6 m s-1 (88.6 km h-1). What height should you lift the car to have this energy? -
## physics

how long does it take an automobile traveling at 76.9 km/h to become even with a car that is traveling in another lane at 57.9 km/h if the cars' front bumpers are initially 145 m apart? -
## Physics

Determine the acceleration of a 1500 kg automobile that rolls down an incline of 30° from the horizontal if a coefficient of friction between the tires and the incline is 0.12 -
## physics

1. How does the charge on one plate of a capacitor compare with that on the upposite plate? 2. Why is that you are safe from a lightning storm if you are inside an automobile? -
## PHYSICS

a 0.30-m radius automobile tire rotates how many rad after starting from rest and accelerating at a constant 2.0 rad/s^2 over a 3.54-s interval -
## Physics

An automobile travels a distance of 12 km in 4 minutes. It then moves the next 12 km in 2 minutes. Please help me to calculate its acceleration which is constant throughout the motion. Thanks in advance )))) -
## Physics

How long does it take an automobile traveling 72.5 km/h to become even with a car that is traveling in another lane at 55.5 km/h if the cars’ front bumpers are initially 146 m apart? -
## physics

An automobile tire is rated to last for 45,000 miles. Estimate the number of revolutions the tire will make in its lifetime. -
## PHYSICS-please help! :)

If deep-sea divers rise to the surface too quickly, nitrogen bubbles in their blood can expand and prove fatal. This phenomenon is known as the bends. If a scuba diver rises quickly from a depth of 25.0 m in Lake Michigan (which is fresh water), what will -
## math-please check my answer!!

5x-7y=-14 7y-5x=14 what is the solution of the system of equations? ANSWER IS B??? A) A point B)Infinitely many solutions C) no solution Is the system consistent ot inconsistent? ANSWER IS CONSISTENT Is the system dependent or independent? ANSWER IS -
## chemistry

One M&M candy has a volume of 1.0mL. What volume, in cubic meters, would one mole of M&M candies occupy? 2) For this next calculation, you’re going to compare the volume of a mole of M&Ms to Lake Erie, which has a volume of 116mi^3. How many lakes the -
## ELA

can you proof read When we turn on the top,we expect an abundant supply of clean, fresh water to flow out. Having one of the world's largest supplies of fresh water, these expectations may usually be met in Canada . However,in many other countries, water -
## Biology

Imagine that you have been asked to provide an explanation about the structure and function of this system to a specific segment of the general public, perhaps a group of senior citizens, pregnant women, or student athletes, who want to learn more about -
## College Chem

Oxygen gas has a Henry's law constant of 1.66*10^-6 M/mm Hg at 40 degree C when dissolving in water. If the total pressure of gass (O2 gas plus water vapor) over water is 1.0 atm, what is the concentration of O2 in the water in grams per milliliter? -
## Algebra 1

The upward velocity of the water in the stream of a particular fountain is given by the formula v = -32t + 28, where t is the number of secondds after the water leaves the fountain. While going upward, the water slows down until, at the top of the stream, -
## Chemistry

CaH2 is so reactive with water that it can be used to "dry" solvents other than water. If a sample if solvent that contains a total of 14g of water is added to 24.6g of calcium hydride, which of these will remain after the reaction is complete: water or