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April 27, 2015

Search: If 1.25 grams of water is enclosed in a 1.5 L container, will any liquid be present? If so, what mass of liquid

Number of results: 53,418

Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of -10 degrees Celsius. How many joules is required to melt the ice cube and raise the temperature of the resulting liquid water to 15 degrees Celsius? A. 1803 J B. 2088.5 J C. 257.5 J D. 418.2 J
June 14, 2013 by Josh

Calculus
I really need help with this problem. A conical vessel is 12 feet across the top and 15 feet deep. If it contains a liquid weighing p lbs/ft^3 (p=62.5 lbs/ft^3)to a depth of 10 feet. Find the work done in pumping the liquid to a height of 3 feet above the vessel.
September 12, 2010 by Denise

Chemistry
Three factors control the rate of evaporation of a liquid: surface area, temperature, and strengths of intermolecular forces. More than one of the statements given described a correct effect. The statements are (1) the larger the surface area, the faster the rate of ...
January 31, 2012 by Anna King

chemistry - please help
What solubility of hydrogen and nitrogen is in liquid ammonia? Does any formula exist for calculation a solubility of hydrogen and nitrogen in liquid ammonia or do you know specific constants or numbers for this question? Thank you for your answers.
June 6, 2014 by Kika

Physics Fluids
A column of oil of height 70.0 cm supports a column of an unknown liquid. Assume that both liquids are at rest and that the density of the oil is 840 kg/m^3. Determine the density of the unknown liquid.
April 6, 2015 by Drew

Chemistry
A system contains liquid water. The water freezes. What is the sign of q for the system for this phase change?
March 11, 2011 by Erika

Chemistry
The freezing point of mercury is -38.8C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0C to -38.8C and then frozen to a solid? (The density of liquid ...
April 22, 2011 by Lindy

Chemistry
The freezing point of mercury is -38.8C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0C to -38.8C and then frozen to a solid? (The density of liquid ...
April 23, 2011 by Lindy

chemistry
The freezing point of mercury is -38.8C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0C to -38.8C and then frozen to a solid? (The density of liquid ...
April 23, 2011 by Lindy

Geometry
An action movie production team needs glass spheres to hold a green liquid that looks like an explosive. If all of the available 3,392.92 cubic inches of the liquid is to be poured into 30 glass spheres, what should the diameter of each sphere be? Assume that each sphere is ...
May 30, 2014 by Denver

Chemistry
mass-mass conversions and mass-mole conversions: what is the difference and how do you do each? mass is converted to mols by mols = grams/molar mass. mass of one chemical is converted to mass of another chemical by using the coefficients in the balanced chemical equation. For ...
January 18, 2007 by Briana

Chemistry
A 108 mL gas sample has a mass of 77.96 mg at a pressure of 1140 mmHg and a temperature of 183 °C. Assume ideal gas behavior and a completely insulated system, and please don’t forget units with your answers. The system is cooled. Calculate the amount of heat that will be ...
March 10, 2014 by keitanako

Chemistry
I need to find heat of vaporization. The liquid starts to vaporize at 110 degrees C and there is 10 g of the liquid. I don't think it matters but it is heated at 60 kj/minute. Would it just be amount multiplied by the temp when it starts to vaporize? I don't think it is that ...
February 19, 2010 by jp

chemistry
To form a gas, the molecules of a liquid must overcome the intermolecular forces of attraction that bind them in the liquid state. As these forces of attraction become stronger, what happens to the boiling point? the boiling point:increases, decreases, or remains constant
September 5, 2012 by daniela

Chemistry
An Ap student got a lab report back with "-4.5 % error" written in red on it. He had found the boiling point of an unknown liquid to be 45 C. What is the correct boiling point of his unknown liquid? I know first I would write -4.5 % error = |4.5-x|/x x 100 but I don't know ...
September 12, 2013 by Anonymous

Science
Calculate the quantity of energy required to change 3.00 mol of liquid water to steam at 100C. The molar heat of vaporization of water is 40.6 kj/mol
March 25, 2013 by Emily

Chemistry
Which liquid is more viscous at room temperature water or molasses? explain
March 22, 2009 by Lauren

science
if 10 mol of hydrogen reacted with oxygen what volume of liquid water could be produced
September 21, 2009 by jo

chemistry
if 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?
September 21, 2009 by jo

chemistry
How much heat is evolved when 1258 g of water condenses to a liquid at 100.C?
May 10, 2010 by samantha

11th grade
If 720.0 mL of liquid water absorbs 80.0 kJ of heat, what will be its increase in temperature?
December 13, 2010 by Anonymous

11th grade
If 720.0 mL of liquid water absorbs 80.0 kJ of heat, what will be its increase in temperature?
December 13, 2010 by Anonymous

Chemistry 1
How many calories are absorbed when 150g of ice at O is changed to liquid water at 45C?
November 5, 2011 by Diane

chemistry
what is the change in heat when 23.5g water vapor at 100C condenses to liquid 18.50C
April 26, 2012 by dj

Science
How many calories of heat are required to change 1 gram of ice at 0C to liquid water at 0C?
October 23, 2012 by Jodie

Chemistry
How do you demonstrate that fog, clouds,and steam are liquid droplets and not water vapor?
January 10, 2013 by Maggie

Science
Give 2 examples for each state of fresh water: a) solid b)liquid c) vapour?
March 7, 2014 by Mari

8th grade
what is the density of an unknown liquid that has a mass of 44.0g and volume of 55.0mL
November 19, 2010 by Jimmy Hook

9th grade chemistry
How do you determine the density of 22 ml of a blue liquid that has a mass of 51.1g
January 14, 2011 by Mariah

science
what unknow liquid with a density of 10g/mi and volume of 10 mi what is the object mass
January 19, 2011 by Joan

Chemistry
What is the mass of 36.0mL of a liquid if its density is 2.70g/mL? is the right answer 97.2 g?
August 30, 2011 by Connie

chemistry
Ethylene glycol (antifreeze) has a density of 1.11 {\rm g/cm^3}.What is the mass in G of 435mL of this liquid?
February 8, 2013 by kylie

Chemistry
Calculate the mass of a 0.253-mL sample of a liquid with density 0.789 g/mL
January 21, 2015 by Drea

chemisrty
Q3) Consider a 10 L container at 0 oC with 40 grams of He and 40 grams of Ar gases: a) Calculate the partial pressure of Ar in the container? b) Calculate the partial pressure of He in the container? c) What is the total pressure of the container?
January 16, 2012 by lyan

geography check
which of the following best describe the earths inner core? A) liquid and extremly hot B)solid and cool C)liquid and cool D)solid and extremly hot (i choose c.)
August 8, 2009 by henry

science
What solubility of hydrogen and nitrogen is in liquid ammonia? Does any formula exist for calculation a solubility of hydrogen and nitrogen in liquid ammonia or do you know specific constants or numbers for this question? Thank you for your answers.
May 22, 2014 by Kika

Chemistry
A) A compound distributes between water (solvent 1) and benzene (solvent 2) with Kp = 2.7. If 1.0g of the compound were dissolved in 100mL of water, how much compound could be extracted by three 10-mL portions of benzene? B) If the value of Kp is 0.5 for the distribution of a ...
July 18, 2012 by Anonymous

chemistry
During the combustion of ethane, C2H6(g), 40.4 grams of liquid are collected . How many liters of ethane, measured at 3.55 atm and 33 C, were burned?
August 31, 2011 by Devin B

chemistry
a chemist needs 2.00 grams of a liquid compound witha density of 0.785 g/cm^3 density. what volume of compund is required?
February 1, 2012 by victoria

Chemistry
a chemist needs 2.00 grams of a liquid compound witha density of 0.785 g/cm^3 density. what volume of compund is required?
September 3, 2013 by Elizabeth

Chemistry
a chemist needs 2.00 grams of a liquid compound witha density of 0.785 g/cm^3 density. what volume of compund is required?
September 3, 2013 by Elizabeth

Chemistry please help
An Ap student got a lab report back with "-4.5 % error" written in red on it. He had found the boiling point of an unknown liquid to be 45 C. What is the correct boiling point of his unknown liquid? I know first I would write -4.5 % error = |4.5-x|/x x 100 but I don't know ...
September 12, 2013 by Taylor

Chemistry
An 850 gram chunk of ice at 0 degrees Celsius is dropped into a container holding 1.7 kg of water at an initial temperature of 35 degrees Celsius. Due to the presence of the ice, the temperature of the water eventually drops to 0 degrees Celsius. Show a mathematical solution ...
January 29, 2012 by Selena

Chem ? Help!
What is the answer and how do I Calculate the quantity of energy required to change 3.00 mol of liquid water to steam at 100C. The molar heat of vaporization of water is 40.6 kJ/mol.
May 19, 2008 by Lisa

chemistry
Explain the difference between the enthalpies of formation of gaseous water and liquid water which are respectively, -242 and -286 kj/mol at 298 K.... Explain Please!
November 29, 2011 by DylS

Chemstry
Dry air is bubbled through 25 litres of water at a rate of 15 litres (STP)/min. The air leaving the liquid is saturated with water at 25 degrees celcius and 1.5 atm. How long it will take for all of the water to vaporize.
August 5, 2012 by Simon

science
25.) Explain the following: (a)Water exists as liquid while H2S exist as a gas (b)HF has higher boiling point than HCl (c)Ice has less density than water (d)Metals have bright luster
September 7, 2011 by Vineeth

Chemistry
Which method(High Performance Liquid Chromatography or Gas Liquid Chromatography) would be suitable for the separation of the following mixtures? 1) Mixture of paracetamol, codeine and caffeine. 2) Mixture of alpha-pinene, beta-pinene, eucalyptol, alpha-terpineol. Please ...
January 12, 2014 by Yu

Physics
what is the general relationship between the density of solids and the density of liquids? Are you talking about the density of substance X in the solid state vs the density of the same substance in the liquid state. GENERALLY, solids have a higher density than the ...
October 1, 2006 by Katrina

chemistry
water has a molar mass weight of 18 grams thats 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
November 5, 2010 by Anonymous

Chemistry
1.) A convenient method of determining the volume of a container of irregular shape is to fill it with a liquid of known density and measure the mass. An empty Erlenmeyer flask marked "10 mL" weighs 26.3251 g. When filled with mercury, with density = 13.5340 g/mL (at 25.0 C), ...
September 10, 2012 by Amy

Chemistry
A 10.0 gram sample of a mixture of CH4 and C2H4 reacts with oxygen at 25C and 1 atm to product carbon dioxide gas and liquid water. If the reaction produces 520 kJ of heat, what is the mass percentage of CH4 in the mixture? PLEASE HELP! I do not know where to even start!
October 26, 2014 by Michelle

Chem hw!
1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04-L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04-L sample of gas at 759 mm Hg pressure ...
March 11, 2010 by Teisha

Chem hw!
1. What pressure would be needed to compress 25.1 mL of hydrogen at 1.01 atm to 25% of its original volume? 2. If the pressure on a 1.04-L sample of gas is doubled at constant temperature, what will be the new volume of the gas? 3. A 1.04-L sample of gas at 759 mm Hg pressure ...
March 11, 2010 by Teisha

chemistry
A typical bathtub can hold 106 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 56 ◦F to 87 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of combustion are ...
October 26, 2013 by maria

Physics
Which requires more energy: to raise 1 kg of liquid water from 0 to 100 degrees (Celsius) or to turn that water to steam after it hits 100 degrees? Assume the specific heat capacity of water is approximately independent of temperature.
November 28, 2012 by Anon

Physics
How much heat is necessary to raise the temperature of 3,439 grams of lead, from 20C solid lead to all liquid at 327C?
November 12, 2012 by Anonymous

chemistry
Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water . Suppose 4.05 g of hydrobromic acid is mixed with 0.86 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction...
April 1, 2015 by Anonymous

Science
Please Check my Work:pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) 1. solid (My Choice) 2. liquid 3. gas 4. molecule 2. Why is a gas able to flow? (1 point) 1. Its particles have melted and can move around. 2. Its particles have high ...
April 8, 2014 by A.J

physics
Water in a cylindrical container is hanging by a rod from the ceiling at point O shown in the figure. The container is initially full, and initially displaced 20 degree . There is a hole in the bottom where water pours out and the top of the container is open to the ...
December 1, 2011 by toledo

chem
How many atoms of mercury are present in 3.2 cubic centimeters of liquid mercury? The density of mercury is 13.55 g/cc.
February 1, 2011 by pho le

Gen chemistry
In liquid propanol, CH3CH2CH2OH which intermolecular forces are present? a)Only dispersion and dipole-dipole forces are present. b)Dispersion, hydrogen bonding and dipole-dipole forces are present. c)Only hydrogen bonding forces are present. d)Only dipole-dipole and ion-dipole...
April 19, 2010 by ada

Physics help
A gas sample enclosed in a rigid metal container at room temperature 20C has an absolute pressure p_1. The container is immersed in hot water until it warms to 40C. What is the new absolute pressure p_2? Express your answer in terms of p_1. I was told to use p_1/T_1=p_2/T_2 I ...
August 14, 2011 by Catie

science
evaporation is where water molecules at the surface of the liquid absorb enough energy to change to a?
December 7, 2007 by michaela

chemistry
a test liquid has a density of 1.1g/mL. when you pour some of it into a cup of water, what will happen?
September 1, 2008 by tom

UW River Falls
Calculate the enthalpy change, , for the process in which 40.0 of water is converted from liquid at 12.8 to vapor at 25.0.
November 5, 2010 by Anonymous

SCI
at room temperature, all samples of liquid water must have the same...
February 26, 2011 by Cordal

science
what allows water to change to all three states (liquid,gas,solid)
May 18, 2011 by amy

Chemistry
how much heat must be lost by 375 g of water for it to change from a liquid to a solid?
December 21, 2012 by Halie

Chemistry
I'm so confused as to how to even begin the problem and where to put whats given to me into an equation. 1) If the value of Kp is 0.5 for the distribution of a compound between pentane (solvent 2) and water (solvent 1), and equal volumes of the two solvents were used, how many...
August 10, 2011 by Anonymous

science --- pls check my work!!!
hi, pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) solid*** liquid gas molecule 2. Why is a gas able to flow? (1 point) Its particles have melted and can move around.Its particles have high viscosity and can move around. Its particles ...
February 8, 2014 by TTR+S<3

chemistry
Why is the molecular formula of a gas not necessarily the same as its empirical formula? At higher temperatures, those that produce a gas, say, from a liquid, the kinetic energy of the molecule is large enough to break those bonds holding more than one molecule together. Thus...
February 23, 2007 by sarah

chemistry
(a) The phase diagram of the binary system, neodymium-scandium (Nd-Sc) is given below. There are two polymorphs in the solid state: α which is hexagonal close packed (HCP) and β which is body-centered cubic (BCC). Identify all phases present at points 1, 2, and 3. ...
December 17, 2012 by anita

Chemistry
If you place 10.0 L of propanol (C3H8O) in a sealed room that is 7.5 m long, 3 m wide, and 3 m high, will all the propanol evaporate? If some liquid remains, how much will there be? The vapor pressure of propanol is 10.7 torr at 25 C, and the density of the liquid at this ...
December 1, 2012 by Sarah

science
Are there hydgrogen bonds between water molecules in the liquid phase No, and if there were, the water would just be ice (a solid). Yes, and they are continually breaking and reforming. Yes, but they rarely ocuur. No, otherwise the water molecules would not be able to tumble ...
March 5, 2012 by Adam

physics
An ice tray contains 490 g of liquid water at 0C. Calculate the change in entropy of the water as it freezes slowly and completely at 0C. i tired doing -(.49kg)(2.26x106)/273.15K) but im not getting the right answr help pls!
October 30, 2008 by tom

AP Physics
You go to kitchen to boil water. You pour 280 gram of water to a container, and put the container on a 293 W electric heater. Assume that all the heat from the heater is used to heat the water. The specific heat of water is 4.19 J/g C. As always, be accurate to 4 significant...
December 3, 2009 by Sasami

college chemistry
How much heat is needed to convert 2.00 kg of liquid ammonia at -40.0 oC to its vapor at -11.0 oC? The specific heat of liquid ammonia, NH3 (l), is 4.70 J/g-K and that of the vapor NH3 (g), is 2.20 J/g-K. The enthalpy of vaporization of ammonia is 23.3 kJ/mol and its boiling ...
May 25, 2010 by pamela

Math
The pressure exerted by a certain liquid at a given point varies directly as the depth of the point beneath the surface of the liquid. The pressure at 30 meters is 80 newtons per square centimeter. What pressure is exerted at 50 meters?
February 21, 2014 by Kara

chemistry
Determine (a) the total number of Cl atoms in 125mL of liquid CCl4 (d= 1.589g/mL) and (b) the number of grams of carbon in 215 of sucrose, C12H22O11.
November 1, 2010 by angela

Chemistry
Is the reaction of 8 grams of natural gas and 38 grams of oxygen gas to form 17 grams of carbon dioxide in 19 grams of water consistent with the law of conservation of mass?
February 6, 2015 by Sparky

chemistry
Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product smells vile. Carbon disulfide is used in the manufacture of rayon and cellophane. The liquid burns as follows. CS2(l) + 3 O2(g) → CO2(g) + 2 SO2(g) Calculate the standard...
October 29, 2010 by caroline

Chemistry
I need help with this problem A 0.75L bottle is cleaned, dried, and closed in a room where the air is 22oC and 44% relative humidity (that is, the water vapour in the air is 0.44 of the equilibrium vapour pressure at 22oC). The bottle is brought outside and stored at 0.0oC. b...
December 9, 2012 by xavier

English
The liquid should be scooped at a quarter depth. or The liquid should be scooped at a quarter depths. Which is correct?
October 26, 2010 by ann

Chemistry
Consider a 980-mL container at 133 C in which the pressure of nitrogen oxide is 0.394x106 Pa. a) What mass of nitrogen oxide (in g) is present in this container? b) How many molecules is this? (a)----g (b)-----molecules
May 2, 2010 by write2khin

chemistry
Hi you guys please help me with my chemistry homework, i need to find all these items and take them to my class in a ziploc bag *a hydrocarbon with a molecular mass greater than 100g/mol *2 porpanol *an aromatic compound(not the common usage of "aromatic" the chemistry use. *a...
February 4, 2007 by desperate

Chemistry
Nonane has a density of 0.79 g/mL. and boils at 151 Celcius. a. What is the condensed structural formula of nonane b. Is it a solid, liquid, or gas at room temperature c. Is it soluable in water d. Will it float on water or sink
July 20, 2010 by Elisabeth

Chemistry
Calculate the work done in joules when 1.0 mole of water vaporizes at 1.0 atm and 100C. Assume that the volume of liquid water is negligible compared with that of steam at 100c, and ideal gas behavior
April 12, 2011 by Monty

physics
a great amount of water vapor changes phase to become liquid water droplets in the clouds that form a thunder storm. Does this phase change release or absorb energy?
April 23, 2014 by lou

chemistry
A 32.2 g iron rod, initially at 22.3 C, is submerged into an unknown mass of water at 63.9 C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 58.6 C. What is the mass of the water?
March 19, 2012 by HELP

Chemistry
A 35.0-g iron rod, initially at 25.6C, is submerged into an unknown mass of water at 67.7C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 63.5C. What is the mass of the water?
November 17, 2012 by Matt

7th Grade Science
Write a short essay in which you create an analogy to describe particle motion. Compare the movements and positions of people dancing with the motions of water molecules in liquid water and in water vapor. I am NOT asking anybody to do this for me, all I am asking is can ...
September 4, 2012 by completeidiot

CHEMISTRY
A glass vessel has a mass of 53.8718 g when evacuated (no air). When filled with a liquid of density 1.319 g mL-1 it has a mass of 255.7390 g and when filled with an unknown gas at 752.3 torr and 16.12C it has a mass of 54.2483 g. What is the molar mass of the gas, express ...
January 20, 2008 by Matt

Science-Chemistry
1)Fill in the blanks. In a liquid, particles are _____arranged. They move about in ____ directions and slide over one another. Can I say "irregularly" & "any" as the answers? I know "random directions" is better, but can we accept "any directions"? 2) When water at 30˚C is ...
January 26, 2009 by anne

College Chemistry
if 5.25g of ice AT 0 c IS PLACED IN 25.63 G OF LIQUID WATER AT 28c, WHAT WILL BE THE FINAL TEMPERATURE OF THIS MIXTURE?
October 16, 2010 by J Velji

College Chemistry
if 5.25g of ice AT 0 c IS PLACED IN 25.63 G OF LIQUID WATER AT 28c, WHAT WILL BE THE FINAL TEMPERATURE OF THIS MIXTURE?
October 16, 2010 by J Velji

chemistry
what will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water?
April 23, 2011 by Anonymous

Science- still waiting
Give 2 examples for each state of fresh water: a) solid b)liquid c) vapour?
March 7, 2014 by Mari

Astronomy
Io gets most of its heat flow from tidal pulling and pushing as it orbits Jupiter. Europa also orbits Jupiter and gets quite a bit of tidal pulling. The heat flow on Europa is around 100 times less than that on Io. The latent heat of melting from solid ice to liquid water is 3...
April 9, 2009 by Ashley

Chemistry
1. Take a clean test tube from the Glassware shelf and place it on the workbench. Add 1 mL your mystery solution to the test tube. 2. PRECIPITATION BY NaC2H3O2(aq) (a) Add 2 mL of sodium acetate solution to the test tube. (b) If a white precipitate forms at the bottom of the ...
August 11, 2010 by annonomus

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