# 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?

42,936 results, page 48-
## Physics

An Olympic swimming pool is heated and maintained at 30 °C in the winter. It has a volume of 2500 m3, a length of 50 m, and a width of 25 m. During a storm, the pool receives 1 cm of rain over its surface area. If the rain is 15 °C, what will the

*asked by Jimmy on December 5, 2010* -
## physics

The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it, and falls into the water below. There are two paths by which the person can enter the water. Suppose he enters the water at a

*asked by A on February 22, 2013* -
## Physics

The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it, and falls into the water below. There are two paths by which the person can enter the water. Suppose he enters the water at a

*asked by Steven on October 3, 2014* -
## Physics

The drawing below shows a person who, starting from rest at the top of a cliff, swings down at the end of a rope, releases it, and falls into the water below. There are two paths by which the person can enter the water. Suppose he enters the water at a

*asked by Steven on October 3, 2014* -
## math

Water is Pumped into an underground tank at a constant rate of 8 gallons per minute.Water leaks out of the tank at the rate of (t+1)^½ gallons per minute, for 0

*asked by POD on April 30, 2008* -
## Chemistry

25.00 mL of heavy water (D2O where D is a hydrogen with a neutron in its nucleus) at 20 degrees C was pipetted into a 37.234 g beaker. The final mass of the beaker was 64.859 9 a- what is the density of heavy water at 20 degrees C b-The density of normal

*asked by Teresa on September 20, 2012* -
## Science

Salim added 1 g of salt to each of four beakers filled with water. He stirred the water at different speeds, and recorded how long it took for the salt to dissolved. Stirring Time (sec) No stirring 25 Slow stirring 18 Medium stirring 10 Fast stirring 6

*asked by Mary on October 25, 2011* -
## Science 6TH Grade

Salim added 1 g of salt to each of four beakers filled with water. He stirred the water at different speeds, and recorded how long it took for the salt to dissolved. Stirring - Time (sec) No stirring - 25 Slow stirring - 18 Medium stirring - 10 Fast

*asked by Mary PLEASEEEEE on October 26, 2011* -
## Science

Salim added 1 g of salt to each of four beakers filled with water. He stirred the water at different speeds, and recorded how long it took for the salt to dissolved. Stirring - Time (sec) No stirring - 25 Slow stirring - 18 Medium stirring - 10 Fast

*asked by Mary Helpppppp on October 26, 2011* -
## Physics

A large water tank has an inlet pipe and an outlet pipe. The inlet pipe has a diameter of 2.19 cm and is 2.13 m above the bottom of the tank. The outlet pipe has a diameter of 5.49 cm and is 4.85 m above the bottom of the tank. A volume of 0.359 m3 of

*asked by mican on April 18, 2014* -
## Statistics (urgent)

A beverage comopany uses a machine to automatically fill 1-liter bottles. Assume that the population of volumes is normally distributed. The company wants to estimate the mean volume of water to within 1 ML. Determine the minimum sample size required to

*asked by Erica on November 18, 2012* -
## Chemistry

Imagine that your water heater has broken, but you want to take a bath. You fill your bathtub with 25kg of room-temperature water (about 25C). You figure that you can boil water on the stove and pour it into the bath to raise the temperature. How much

*asked by Anonymous on February 17, 2010* -
## AP Chemistry

To prepare 1.000 kg of 5.5 percent by mass KCl (aq), one may dissolve a. 994.5 g KCl in 5.5 g of water b. 5.5 g KCl in 994.5 g of water c. 5.5 g KCl in 1000.0 g of water d. 55 g KCl in 945 g of water e. 55.0 g KCl in 1000.0 g of water

*asked by Joe on April 4, 2008* -
## Science

At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of gas (volume = C * moles, where C is a constant). Assuming that the tempreature and pressure is the same for the reaction of magnesium with HCl(aq)

*asked by Amy on March 13, 2013* -
## General Chem

At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of gas (volume = C * moles, where C is a constant). Assuming that the tempreature and pressure is the same for the reaction of magnesium with HCl(aq)

*asked by Amy on March 11, 2013* -
## Science

At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of gas (volume = C * moles, where C is a constant). Assuming that the tempreature and pressure is the same for the reaction of magnesium with HCl(aq)

*asked by Amy on March 13, 2013* -
## Science

*asked by Amy on March 13, 2013* -
## chemistry

a sample consisting 22.7g of a nongasous unstable compound X is placed inside a metal cylinder with a radius of 8Cm and a piston is carefully placed on the surface of the compound so that for all practical purposes the distance between the bottom of the

*asked by tom on April 20, 2008* -
## Physics 11th Grade "HEAT' 2

1) Emily is testing her baby's bath water and finds that is too cold,so she adds some hot water from kettle on the stove. If Emily adds 2.00 kg of water at 80.0 degree celcius to 20.0 kg of bath water at 27.0 degree celcius , what is the final temperature

*asked by Isis on March 14, 2013* -
## Physics

a space-satellite mass of 600kg fires a rocket engine for 2 seconds expelling 40kg of exhaust gases at 350m/s. By how much will the speed of the capsule change? You may consider the initial relative velocities to be zero, but would it matter?

*asked by Sarah on April 26, 2012* -
## Physics

An engineer claims to have measured the characteristics of a heat engine that takes in 130J of thermal energy and produces 40J of useful work. What is the smallest possible ratio of the temperatures (in kelvin) of the hot and cold reservoirs?

*asked by Mike on December 10, 2010* -
## us history (please help!!)

2.Which answer best describes the main benefit of the steam engine? A)It was used to create road-building materials. B)It was used to power trains and steamboats. ** C)It was used to run many factories in the 1820s. D)It was used to help dig canals and

*asked by #1Student on February 26, 2014* -
## Physics

A water tank is filled to a depth of 10 m, and the bottom of the tank is 20 m above ground. A water-filled hose that is 2.0 cm in diameter extends from the bottom of the tank to the ground, but no water is flowing in this hose. The water pressure at ground

*asked by Anonymous on November 22, 2014* -
## algebra

You are standing 14 feet from the edge of a cylindrical water tank and 26 feet from a point of tangency. The tank is 10 feet tall. What is the volume of the tank in cubic feet?

*asked by Sarah on March 13, 2011* -
## Chemistry

Steam is compressed reversibly to liquid water at the boiling point 100C. The heat of vaporisation of water at 100C and 1.01325 bar is 2258Jg^-1. Calculate for one mole of water in term of work done(w),q,H and U for the process

*asked by Charles on April 8, 2012* -
## chemistry

water has a molar mass weight of 18 grams that's 18 grams per mole you drink a 2 liter bottle of water everyday and you are such a smarty that you you know that 1mlof h2o weighs 1 gram can you tell me how many moles of water you consume a day

*asked by Anonymous on November 5, 2010* -
## math - surface area and volume

A cylindrical bucket with base 15 cm with water upto a height of 20 cm a heavy iron spherical ball of radius 9cm is drop into the bucket to submerge completely in the water. Find the incrrase in the level of water.

*asked by s.yashraj on January 31, 2016* -
## Calculus(answer needed immediatly,thanks)

A paper cup has the shape of a cone with height 8cm and radius 3cm at the top. Water is being poured into the cup at the rate of 2cm3/s. How fast is the water level rising when the water is 6cm deep?

*asked by Mehak on March 13, 2011* -
## Math

If a cubic foot of water weighs approximately 62.5 pounds, find the weight of the water in a swimming pool which is 16 yards long and 12 yards wide with water to a depth of 7 feet. Answer to the nearest ton.

*asked by Jon on August 23, 2010* -
## calculus

A trough is 16 ft long and its ends have the shape of isosceles triangles that are 5 ft across at the top and have a height of 1 ft. If the trough is being filled with water at a rate of 11 ft3/min, how fast is the water level rising when the water is 7

*asked by Jack on October 13, 2011* -
## physics

If 335 g of water at 65.5 °C loses 9750 J of heat, what is the final temperature of the water? Liquid water has a specific heat of 4.18 J/(g.°C). °C (Answer a number only, no units. Round to the tenth place). This is an example of an endothermic or

*asked by sara on May 22, 2017* -
## chemistry

Several reactions are carried out using AgBr, a cream-colored silver salt for which the value of the solubility product constant, Ksp, is 5.0 x 10-13 at 298 K. a) Calculate the value of [Ag+] in 50.0 mL of a saturated solution of AgBr at 298 K. b) A 50.0

*asked by jack on March 13, 2015* -
## Intro to Accounts

Hello, I really don't know where to begin Travis Fortney, an architect, opened an office on April 1, 2010. During the month, he completed the following transactions connected with his professional practice: a.Transferred cash from a personal bank account

*asked by Ann Marie Moiten on September 20, 2012* -
## Chemistry

A flask was immersed in 350 g of water at 25 degrees C. Steam at 100 degrees C was passed into this flask, and eventually condensed into water at 100 degrees C. If the temperature of the water surrounding the flask was raised to 70 degrees C, how many

*asked by Amanda on April 18, 2014* -
## Social Studies

1. Which fact best supports the claim that Southeast Asia has diverse cultural influences? A)Singapore has a thriving economy based on exports to other nations B)Minangkabau wedding ceremonies blend Hindu and native traditions*** C)Southeast Asia is made

*asked by Scarlet on March 29, 2016* -
## physics

- A copper cylinder is initially at 20.0oC. At what temperature will its volume be 0.15% larger than it is at 20.0oC? Take: ƒÒcofficient of thermal expansion of volume for cu= 5.1x10-5 /C

*asked by Janaiby on May 28, 2013* -
## chimestry

A sample of carbon dioxide occupies a volume of 1.50L at 165kPa pressure. What pressure would the gas exert if the volume was increased to 2.5L?

*asked by nora on May 16, 2017* -
## Math

There are boxes without tops. Find the box with the least surface area for a given volume, V. Make a diagram (if you can). Hint: Volume=x^2y Area=x^2+4xy

*asked by Gary on February 22, 2014* -
## chemistry

the maximum volume if Ziploc sandwich is 0.5 L at the pressure of 1 atm. use the gas law, calculate the pressure in the bag from the above volume of co2.

*asked by mariah on March 10, 2013* -
## chemistry

A sample of helium gas has a volume of 325L at 25C and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?

*asked by twynna on March 10, 2011* -
## ashworth

a gas has weight of 5 pounds and a volume of 100 cubic feet.What is the specific volume of this gas? 0.05 ft3/lb 5ft3/lb 20ft3

*asked by simon on December 13, 2017* -
## chemistry

What volume of 10 percentage (mass/volume) solution of Na2CO3 will be required to neutralise 100mL of HCl sution containing 3.65g of HCl.

*asked by Raveena on March 22, 2018* -
## chemistrty

A sample containing 7.20g O2 gas has a volume of 33.0L Pressure and temperature remain constant. What is the volume after 4.00g He is added to the O2 gas already in the container?

*asked by nicole on April 8, 2011* -
## geometry

Two similar rectangular prisms have a scale factor of 4:9. The volume of the smaller prism is 60 cm3. Find the volume of the larger prism.

*asked by hello on July 16, 2010* -
## Chemistry

What is the volume of HCl stock (37%) you must add in order to make up a 10.0% diluted HCl solution, if the final volume to be achieved is 600mL?

*asked by Kayden on May 27, 2013* -
## geometry

10. In cubic meters, how much greater is the volume of a cylinder with height 19 m and a radius 16 m than the volume of a square prism with height 19 m and base 16 m on a side?

*asked by Anonymous on June 2, 2011* -
## Math

Three cubes of volume 343 cubic cm are joined end to end.find surface area and volume of the resulting cuboid.

*asked by Roshan on May 25, 2018* -
## chemistry

An ideal gas in a sealed container has an initial volume of 2.45 L. At constant pressure, it is cooled to 23.00 °C where its final volume is 1.75 L. What was the initial temperature?

*asked by Doll on May 6, 2013* -
## chemistry

A basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day? (2.0 p

*asked by Anonymous on April 17, 2012* -
## Math

I am a bit confused. I have to find the volume of a triangular prism. B=1/2bh=1/2 (8x3)=12ft Now I have to find the volume how would I do this with the numbers provided

*asked by Patrick on February 21, 2018* -
## Physics

A fixed mass of gas of volume 600 cm cube at a temperature of 27 C is cooled at constant pressure to a temperature of 0C.what is the change in volume

*asked by Rilwan on February 18, 2018* -
## chemistry

An ideal gas in a sealed container has an initial volume of 2.50 L. At constant pressure, it is cooled to 14.00 °C where its final volume is 1.85 L. What was the initial temperature?

*asked by Anonymous on November 6, 2012* -
## Math ASAP

Volume of Prisms: Volume: 150 cubic inches Top Area: 10 square inches What is the height? {5-sided prism}

*asked by Omar on August 20, 2013* -
## chemistry

A sample of helium gas has a volume of 325l at 25c and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?

*asked by twynna on February 9, 2011* -
## chemistry

A sample of helium gas has a volume of 325L at 25C and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?

*asked by n/a on March 11, 2011* -
## Chemistry

At standard temperature a gas has a volume of 275ml if the temperature is increased to 130C buit the pressure is held constant what is the new volume?

*asked by Karla on April 19, 2011* -
## Math

Describe a strategy you can use to estimate then find the volume of this textbook.textbook measures 21cm by 28 cm and 2.5 thick.what problems may you have finding the volume

*asked by Tam on February 16, 2016* -
## chemistry

A sample of helium gas has a volume of 325L at 25C and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?

*asked by twynna on February 13, 2011* -
## Geometry

The surface areas of two similar figures are given. The volume of the largwe figure is given. Find the volume of the smaller figure if the SA= 25 cm SA= 36cm and the V= 216cm?

*asked by Elizabeth on March 22, 2011* -
## chemistry

*asked by twynna on February 20, 2011* -
## chem

a gas volume has of v1=450ml. if the temp is held constant, what volume would gas occupy if the pressure p2=2p1? omg i cant figure anything out!!!!!!!!

*asked by amie on June 4, 2008* -
## science

A balloon with an initial volume of 2.8L at a temperature of 296K is warmed to 375K . What is its volume at the final temperature? (Assume constant pressure.)

*asked by michelle on October 22, 2012* -
## Math

the right circular cone of a radius 12 inches and height 9 inches is intially filled with water. the water from the cone is drained into the intially empty rectangular prism below it until the surface of the water is halfway down the lateral edge of the

*asked by Hay on November 13, 2018* -
## science

A sample of 8 grams of NaOH is dissolved into 599 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 1.68 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

*asked by Susan on May 13, 2014* -
## 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

*asked by Anonymous on November 23, 2015* -
## 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

*asked by Scott on March 22, 2011* -
## Chemistry

Calculate how many moles of Na2S2O3 must be added to dissolve 0.020 mol AgBr in 1.0 L of water at 25°C (assume constant volume). AgBr(s) ↔ Ag+(aq) + Br−(aq) Ksp = 3.3 x 10^−13 Ag+(aq) + 2S2O32−(aq) ↔ [Ag(S2O3)2]3−(aq) Kf = 2.0 x 10^13 (1)

*asked by bill on February 26, 2017* -
## Chemistry

A sample of 8 grams of NaOH is dissolved into 599 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 1.68 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

*asked by Susan on May 13, 2014* -
## 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

*asked by May on October 4, 2010* -
## Physics

A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the

*asked by kari on March 28, 2012* -
## Maths

A right circular cone of base radius 5 cm and depth 20 cm is held with its vertex downwards. If water is leaking through a small hole in the vertex at the rate of 8 cm^3/s, find the rate of change of the water level in the cone when the radius of the water

*asked by Mary on January 7, 2017* -
## physics

A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the

*asked by carly on March 28, 2012* -
## physics

A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is lowered in the tube, resonance is heard when the water level has dropped 18 cm, and again after 54 cm of distance exists from the

*asked by caroline on March 28, 2012* -
## Physics

*asked by cassidy on March 28, 2012* -
## physics

*asked by jack on March 28, 2012* -
## physics

*asked by cassidy on March 28, 2012* -
## physics

*asked by nick on March 28, 2012* -
## physics

*asked by cassidy on March 28, 2012* -
## chemistry

The volume of a weather balloon increases as the balloon rises in the atmosphere. Why doesn’t the drop in temperature at higher altitudes cause the volume to decrease?

*asked by terry on March 4, 2008* -
## Chem 104

If a 5.0L volume of O2 (g) is at 1.0 atm, if we hold the temperature and molar amount of O2 constant how many psi of pressure does this amount of O2 exert if the volume it is allowed to take up is decreased to 2.0L?

*asked by Kelly on May 23, 2013* -
## CHEM

If a 5.0L volume of O2 (g) is at 1.0 atm, if we hold the temperature and molar amount of O2 constant how many psi of pressure does this amount of O2 exert if the volume it is allowed to take up is decreased to 2.0L?

*asked by Kelly on May 23, 2013* -
## chem

At standard temperature, a gas has a volume of 345 mL. The temperature is then increased to 124◦C, and the pressure is held constant. What is the new volume? Answer in units of mL

*asked by reis on May 30, 2014* -
## Science

when working with the particle theory, for which changes of state does the volume increase? and Decrease? volume changes greatly when going to the gas state. what part of the system is missing

*asked by tesa on February 14, 2007* -
## Chemistry

A flexible plastic container contains 0.833 g of helium gas in a volume of 18.3 L. If 0.203 g of helium is removed at constant pressure and temperature, what will be the new volume?

*asked by Anonymous on May 29, 2016* -
## chemistry

At standard temperature, a gas has a volume of 312 mL. The temperature is then increased to 115◦C, and the pressure is held constant. What is the new volume? Answer in units of mL

*asked by Anonymous on February 21, 2013* -
## wwhs

An oxygen gas tank has a volume of 8 L and a pressure of 1500 N/m2. If the temperature decreases from 2500 K to 2000 K and its volume increases to 24 L, what is its final pressure?

*asked by luis on September 28, 2010* -
## Chemistry

a sample of gas is warmed from 15.o degrees celsius to 45.o celcius at a constant pressure. its initial volume is 1.75 liters. what is the final volume of gas?

*asked by Adina on May 3, 2010* -
## geometry

The side lengths of two different cubes are 36 cm and 45 cm. What is the ratio of the volume of the smaller to the volume of the larger (in simplest form)? Note: These cubes are not drawn to scale.

*asked by Anonymous on October 14, 2010* -
## Chemistry

A given volume of nitrogen, N2, rewuired 68.3 s to effuse from a hole in a chamber. Under the same conditions, another gas required 85.6 s for the samw volume to effuse. What is the molecular mass ?

*asked by Anonymous on March 3, 2010* -
## Chemistry 101

A volume of 20.0 mL of a 0.140 M HNO3 solution is titrated with 0.850 M KOH. Calculate the volume of KOH required to reach the equivalence point.

*asked by Caitlyn on March 9, 2018* -
## Chem

A sample of nitrogen (N2) gas has a volume of 250ml at 30 degrees C and a pressure of 745mmHg. What is the volume of the nitrogen at STP? I got 22 liters in significant figures is this right. thank you.

*asked by Lindsay on November 24, 2010* -
## physical science

An oxygen gas tank has a volume of 8 L and a pressure of 1500 N/m2. If the temperature decreases from 2500 K to 2000 K and its volume increases to 24 L, what is its final pressure?

*asked by Samantha on December 26, 2011* -
## chemistry

A sample of gas weighing 9.0 (g) at a pressure of 1 atm occupies a volume of 12.3 L. If the pressure is doubled,what is the resulting volume? (Assume constant temperature)

*asked by Dakota on October 18, 2010* -
## Geometry

Two similar pyramids have laterl area 8ft^2 and 18ft^2. The volume of the smaller pyramid is 32ft^3. Find the volume of the larger pyramid.

*asked by George on September 29, 2013* -
## math

A gas has weight of 5 pounds and a volume of 100 cubic feet,What is the specific volume of the gas? 0.05ft/sup>/lb 5ft3/lb 20ft3/lb 100ft3/lb

*asked by simon on December 13, 2017* -
## chemistry

A sample of chlorine has a volume of 2.5 L when the temperature is 84.1 degC. Assuming that the pressure is constant, at what temperature will the volume be 1750 mL? (Express your answer in Kelvins.)

*asked by zach on March 28, 2008* -
## Chemistry

At 10 degree Celsius a sample of carbon dioxide gas has a volume of 25.5 mL under pressure of 758 mmHg. What would the volume of the CO2 sample be at STP?

*asked by Amber on November 5, 2010* -
## Chemistry

A flexible plastic container contains 0.833 g of helium gas in a volume of 18.3 L. If 0.203 g of helium is removed at constant pressure and temperature, what will be the new volume?

*asked by Anonymous on May 29, 2016* -
## chem

What is the volume occupied by 0.118mol of Helium gas at a pressure of 0.97atm and a temperature of 305k? Would the volume be different if the gas was Argon(under the same identical conditions)?

*asked by gilard on November 2, 2015* -
## Calculus

An open top bos with a square base is to be constructed from 192 sq ft of material. What should be the dimensions of the box if the volume is to be a maximum? What is the maximum volume?

*asked by Derek on October 29, 2012*