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February 5, 2016

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: 57,206

chem
1.) When determining the melting point it's described in my text as recording 2 points in the melting process. a) when the first drop of liquid is seen b) when all of the compound is liquified and since I have to determine the melting point of sulfanilamide pure and impure (I ...
September 3, 2007 by ~christina~

science
Data: (time, temperature in degrees Celsius) 0,89 1,85 2,78 3,71 4,64 5,64 6,64 7,64 8,64 9,64 9,64 10,61 11,57 12,51 13,45 14,39 15,36 First I had to graph these points on the graph paper provided, which I did. Then it asks to identify the freezing point, and label the ...
November 7, 2010 by Anonymous

Chemistry
Assume that a reaction occurs in which unknown substances R and S react to form unknown substances T and U. From the information below, determine the mass of substance T that will be formed if 45.0 grams of substance R reacts with 23.0 grams of substance S. (Assume that the ...
May 20, 2008 by Daniel

physics
The angle of incidence of light passing from air to a liquid is 38 degrees.The angle of refraction is 24.5 degrees. What is the index of refraction of the liquid
April 11, 2012 by ******tasha******

Math
In science class, Savannah measures the temperature of a liquid to be 50^@ Celsius. Her teacher wants her to convert the temperature to degrees Fahrenheit. What is the temperature of Savannah's liquid to the nearest degree Fahrenheit?
November 16, 2015 by Claire

CALCULUS
The masses of 10 books are found to be in an arithmetic sequence. If their total mass is 13 kg and the lightest book has a mass of 400 grams, what is the mass of the heaviest book? 2,000 grams 2,100 grams 2,200 grams 2,300 grams 2,700 grams
November 27, 2012 by Chelsy

chemistry
Can you help me with these please? In general, is the boiling point of a polar liquid likely to be higher or lower than that of a nonpolar liquid of about the same mass? What, if any, is the correlation between electronegatively and reactivity? Thanks in advance. The polar ...
February 4, 2007 by Lydia

Science HW - - - check my answers?
1. Compare the two light waves above. Which wave would produce the brightest light and which wave would have the least energy? a. wave A; wave A b. wave A; wave B c. wave B; wave A d. wave B; wave B 2. Which waves have the longest wavelength and lowest energy on the ...
March 5, 2014 by Chevelle

Chemistry
When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid water, the heat produced in the reaction between two solutions is: I dont get how to find the moles and mass
February 22, 2015 by Wendy

Chemistry
When 80.0 mL of HCl is added to 80.0 mL of NH3OH, the temperature increases 2.5 celsius. Assuming the final solution has the same specific heat capacity as liquid water, the heat produced in the reaction between two solutions is: I dont know how to find the moles and mass
February 22, 2015 by Wendy

Science
1. Compare the two light waves above. Which wave would produce the brightest light and which wave would have the least energy? a. wave A; wave A b. wave A; wave B c. wave B; wave A d. wave B; wave B 2. Which waves have the longest wavelength and lowest energy on the ...
March 5, 2014 by Lindsay

physics
A rock is suspended by a light string. When the rock is in air, the tension in the string is 38.2 N. When the rock is totally immersed in water, the tension is 28.9 N. When the rock is totally immersed in an unknown liquid, the tension is 17.4 N. What is the density of the ...
November 17, 2013 by Kyleigh

Chemistry
A hungry backpacker needs to boil 150 mL of water to prepare a cup of Ramen Noodles. The filtered river water is at a temperature of 14.2 oC. The pressure is 760 mm Hg and he wants to eat the chicken flavored noodles. How many mL of his liquid butane camping fuel will he use ...
December 3, 2012 by Veronica

Chemistry
if a student finds the molecular weight of an unknown liquid to be 115 g/mole and the molecular formula of the liquid is CHCl3, what is the percent error in the student's molecular weight?
December 10, 2012 by Gabby

chemistry
Calculate the density of a liquid if 48 mL of it has a mass of 45.79 g. Answer in units of g/mL
September 24, 2011 by suzana

chemistry
calculate the density of a liquid if 47.9mL of it has mass of 49.06g
September 2, 2012 by eddie

Chemistry
A 630. mL flask contains O2 at a pressure of 0.75 atm and a temperature of 20C. What mass of O2 is present? I know you Use PV = nRT and solve for n = number of mols gas. Then n = grams/molar mass and solve for grams. But I get the wrong answer
February 26, 2014 by Chelsey

chemistry
Why is water a liquid but carbon dioxide a gas at room temperature.
November 25, 2008 by Bubba

science
What type of liquid is water? (polar or nonpolar) show your calculations.
January 16, 2009 by Kate

chemistry
What quantity of heat is required to vaporize 32.5 g of liquid water at 100C?
February 16, 2010 by Emily

chemistry
What quantity of heat is required to warm 53.7 g of liquid water from 0C to 100C?
March 29, 2010 by rachel

Science
Which group of words names the three states of metter you can observe? 1 ice water air 2 juice water milk 3 solid liquid gas 4 hard soft light
February 18, 2009 by HELP

science
which group of words names the three states of matter you can observe? a ice water air b juice milk water c solid liquid gas d hard soft light
February 18, 2009 by checking hw

science
Which group of words names the three states of matter you can observe? a) ice water air b) juice milk water c) solid liquid gas d) hard soft light
February 18, 2009 by checking hw

math
please hel me to solve the following application. Crafts. Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt. How much of the developer remains? Is this US liquid measures? There are 16 fluid ounces to the pint, and 2 pints to the ...
April 8, 2007 by carmen

physics
(a) 2.0 kg of molten copper at its melting point of 1083 C (the copper is 100% liquid) is poured into a mold in a cooling water bath at 20 C. What mass of water is needed to bring the solidified copper and water to an equilibrium temperature of 30 C, assuming the only heat...
December 11, 2006 by nicole

chemistry
Rank the following 3 compounds in terms of increasing boiling point: CCl4, CH4, CH2Cl2 - Rank the following 3 compounds in terms of increasing boiling point: CF4, CH4, CH2F2 - Water, H2O, is a liquid at room temperature. Hydrogen selenide, H2Se, is a homologue compound. At ...
March 18, 2013 by adex

Physics
A calorimeter with specific heat of 490x10^2J/kg^1K^1 has a mass of 2.00x10^-1kg that contains 3.00x10^-1kg of liquid water at 40C. If 5.00x10^-2kg of ice at 0C is dropped into the water. Find the final temperature of the mixture where the ice has melted is 23.8C. Calculate ...
February 9, 2014 by Tsunayoshi

Physics
The cross-sectional area of the U-tube shown below is uniform and is equal to one square centimeter (1.00cm^2). One end is open to the atmosphere. Atmosphere pressure may be taken as P1=1.01 * 10^5 Pa. The other end of the U-tube is connected to a pipe in which a constant gas ...
August 14, 2011 by Zuen-Lee

PHYSICS
The cross-sectional area of the U-tube shown below is uniform and is equal to one square centimeter (1.00cm^2). One end is open to the atmosphere. Atmosphere pressure may be taken as P1=1.01 * 10^5 Pa. The other end of the U-tube is connected to a pipe in which a constant gas ...
August 14, 2011 by Zuen-Lee

PHYSICS
The cross-sectional area of the U-tube shown below is uniform and is equal to one square centimeter (1.00cm^2). One end is open to the atmosphere. Atmosphere pressure may be taken as P1=1.01 * 10^5 Pa. The other end of the U-tube is connected to a pipe in which a constant gas ...
August 14, 2011 by Zuen-Lee

algebra
Adam has a cylindrical container. He is going to pour water into the container from a cube that has a side length of 1.5 inches. The container has a diameter of 8 inches and is 2 feet tall. How many full cubes of water can Adam fit into the container?
June 4, 2014 by Dea

science
What is the point at witch gas changes into a liquid? The same as the point at which liquid changes to a vapor; i.e., the boiling point. It is sometimes called the condensation point, also. Temperature, wise, however, it is the same T.
September 26, 2006 by rach

chemistry
if u place 10 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 eveporate?if some liquid remains, how much will there be?the vaopr pressure of propanol is 10.7 torr at 25 C, and the density if the liquid at this temperature...
November 28, 2011 by ian

math
A large game die is a cube measuring 1.2 in length. The die is a solid made from liquid plastic. If a game comes with 6 such dice, how many cubic inches of liquid plastic were needed to make the 6 dice?
April 15, 2015 by lilly

chemistry
A 10.0 g sample of liquid gallium metal, at its melting point, is added to 50.0g of water. The initital temperature of the water is 24.0 degrees C. If the molar enthalpy of freezing gallium is -5.54 kj/mol, what is the final temperature of the water? Thanks
November 7, 2010 by Bob

chemistry
3 part question If an object is completely submerged in a liquid, what volume of liquid does the object displace? List the special waste disposal instruments that must be followed. List the special safety precautions that must be taken.
February 4, 2014 by CeeCee

physics
A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m^3. The mass of the wire is small enough that its effect on the tension in the wire can be neglected. The upper end of the wire is held ...
April 27, 2012 by anonymous

Physics
A large rock that weighs 164.0 N is suspended from the lower end of a thin wire that is 3.00 m long. The density of the rock is 3200 kg/m3. The mass of the wire is small enough that its effect on the tension in the wire can be neglected. The upper end of the wire is held fixed...
August 13, 2015 by Hazel

maths
For the reaction given below, how many grams of Na2CS3 are produced in the reaction of 65.0 mL of liquid CS2 (d = 1.26 g/mL) and 1.56 mol NaOH?
September 21, 2010 by srujan

chemistry
How many grams of ice at -14.3∘C can be completely converted to liquid at 24.8∘C if the available heat for this process is 4.75103kJ ?
April 13, 2015 by Atina

Chemistry
Which of the following statements are false regarding using a solid drying agent? (select all that apply) a) Water can be present due to isolation and/or purification conditions b) A good drying agent must be soluble in organic solvent c) One type of drying agent is sodium ...
September 26, 2011 by Rachel

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

Chem
How much heat do I need to convert 200g of liquid water at -25C to water at 30C?. The specific heat capacity of H2O(s) is 2.1 J g*C
February 28, 2011 by diana

Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 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

Chemistry
You have an ice cube (H2O) that weighs 5 grams and is at a temperature of 20 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

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

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
what mass of steam intially at 130 degree celcius is needed to warm 200 grams of water in a 100 gram container from 20 to 50 degree celcius
January 20, 2011 by mike

pHYSICS
You're working on an experiment to determine the calorie content of peanuts. To do this, you burn a peanut beneath a container of water, and measure the water's temperature change. Suppose the peanut has a mass of 0.59 g, and the water has a mass of 63.5 g. The water's ...
December 5, 2012 by mann213

science
which of the following properties of water explains its characterization as the universal solvent. a)kinetic energy of liquid water molecules b)high specific heat c)polarity of water molecules d)high surface tension
August 26, 2015 by Brenda

Chemistry
Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water. Suppose 61. g of hydrobromic acid is mixed with 41.1 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction
January 15, 2016 by Ryan

math
a cubic container was completely filled with water. when 3/4 of the water from the container was poured into a rectangular tank, the tank became 1/4 full. the capacity of the tank is 1.024 liters more than that of the cubic container. Find the length of the cubic container
April 17, 2015 by stacy

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
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
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

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

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

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

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

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

Physics
how much heat is needed to vaporize a 400.0 g of liquid water at 310.0 K?
September 23, 2015 by Felix

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

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

Math
A rectangular container 30cm by 20cm by 15cm was completely filled with water. The water was poured into another container which measured 25cm by 20cm by 28cm. What was the height of the second container?
January 25, 2016 by Leslie

science
which of the following properties of water explains its characterization as the universal solvent. a)kinetic energy of liquid water molecules b)high specific heat c)polarity of water molecules d)high surface tension I chose C
August 26, 2015 by Brenda

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 101
A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required?
January 27, 2016 by Lilly

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
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
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

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