Wednesday

July 30, 2014

July 30, 2014

Number of results: 17,451

**Chemistry 3A**

a sample of methan gas, CH4, occupies 4.50L at a temp of 20.0 degrees celsius. if the pressure is held constant, what will be the volume of gas at a 100 degrees celsius
*December 3, 2012 by Gurjot *

**Chemistry**

If a gas at 1.2 atm of pressure and 22.0 degrees of Celsius occupies 0.350L, what pressure will hold the same sample of gas in a volume of 0.050L if the temperature of the gas increases 25 degrees of Celsius?
*May 28, 2013 by Anonymous*

**Chemistry**

If a gas at 1.2 atm of pressure and 22.0 degrees of Celsius occupies 0.350L, what pressure will hold the same sample of gas in a volume of 0.050L if the temperature of the gas increases 25 degrees of Celsius?
*May 28, 2013 by Anonymous*

**Chem II**

A sample of gas at 38 degrees Celsius occupies a volume of 2.97 L and exerts a pressure of 3.14 atm. The gas is heated to 118 degrees Celsius and the volume decreased to 1.04 L. Determine the new pressure exerted by the gas.
*October 15, 2012 by Layn*

**General Chemistry**

Answer Check... A 3.00L sample of gas was collected over water at 45 degrees Celsius. The wet gas exerts pressure of 1.50atm. When dried the sample occupies 1.80L and exerts a pressure of 1.77 atm at 80.0 degrees Celsius. What is the vapor pressure of water at 45 degrees ...
*September 5, 2011 by Kathy*

**Chemistry**

1. Calculate the number of molecules in a deep breath of air whose volume is 2.15 L at body temperature, 36 degrees Celsius, and a pressure of 740 torr. 2.A fixed quantity of gas at 24 degrees Celsius exhibits a pressure of 740 torr and occupies a volume of 4.42 L. a)Use Boyle...
*November 2, 2009 by Emory*

**chemistry**

If 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?
*April 13, 2012 by cheryl*

**chemistry**

if 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?
*April 20, 2012 by sherly*

**Chemistry 3A**

a sample of gas occupies 500ml at STP. what volume will the gas occupy at 85.0 degrees Celsius
*December 4, 2012 by Gurjot *

**Chemistry**

If a nitrogen gas sample occupies a volume of 2.55 L at 22.0 degrees Celsius and 0.860 atm, what is the mass of the N2 gas?
*November 14, 2011 by Mallory*

**General Chemistry**

If a 14.05g sample of a gas occupies 10.0L at STP, what is the molar mass of the gas at 125 degrees Celsius?
*June 20, 2012 by Kim*

**chemistry**

If 2.25g of a gas occupies 1750mL at 180 degrees Celsius and 550mm Hg of pressure, what is the molecular weight of the gas?
*February 6, 2013 by rv*

**college chem**

a sample of a gas occupies a volume of 1025 mL at 75 degrees Celsius and 0.75 atm. What will be the new volume if temperature decreases to 35 degrees Celsius and pressure increases to 1.25 atm
*April 29, 2014 by ashley*

**Chemistry 1**

if 0.500mol of argon gas occupies 2.10L at 735mmHg, what is the temperature if degrees Celsius
*April 30, 2013 by Me*

**chemtry 1**

If 0.500mol of argon gas occupies 2.35L at 725mmHg what is the temperature in degrees Celsius?
*April 18, 2014 by shadow16*

**Chemistry**

A gas occupies a volume of 140 mL at 35 degrees celsius and 97 kPa. What is the volume of the gas at STP?
*February 22, 2010 by Bob*

**Chemistry**

A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?
*March 4, 2013 by Lily*

**Chemistry**

A 1.44-g sample of an unknown pure gas occupies a volume of 0.336 L at a pressure of 1.00 atm and a temperature of 100.0 degrees Celsius. What is the unknown gas?
*March 4, 2013 by Lily*

**Chemistry**

A gas occupies a volume of .350 L at a temperature of 18.0 degrees Celsius and a pressure of 980.0 torr. What will be the volume of this gas at standard conditions? Please explain how to do it.
*March 5, 2014 by Linda*

**chemistry**

what is the molecular mass of a gas if 0.833 g of it occupies 210 mL at 106.3 kPa and 8 degrees Celsius.
*April 6, 2014 by lisa*

**chemistry **

A gas occupies 10 liters at standard conditions. What volume will it occupy at 20 degrees celsius and 700 torr?
*February 16, 2010 by jake*

**chemistry**

if 180 grams of ice at -123 degrees celsius is heated to steam at 125 degrees celsius, how much energy would it take?
*April 29, 2012 by Anonymous*

**Chemistry 12 - Gases**

A gas is initially at 345 K, 821 torr, and occupies a volume of 5.85 L. What volume will the gas occupy if the temperature and pressure decrease, respectively, to 7 degrees celsius and 0.921 atm?
*February 29, 2012 by Rose Bud*

**science**

30 cubic meters of argon gas are kept under constant pressure. The gas is heated from 10.0 degrees Celsius to 293 degrees Celsius. What is the new volume of the gas?
*March 18, 2014 by tyler*

**physics**

.10 mol of Argon gas is admitted to an evacuated 50cm cubed container at 20 degrees celsius. The gas then undergoes an isobaric heating to a temperature of 300 degrees celsius. What is the final volume of the gas?
*August 3, 2009 by Syed*

**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 gas occupies a volume of 0.500L at 125 degrees Celsius and 0.443 atm. What mathematical expression will yield the correct temperature at 0.750 L and 0.689 atm? Is it the combined gas law of P2V1/T1=P2V2/T2?
*December 6, 2011 by Lisa*

**Chemistry 111**

A gas occupies a volume of 256mL at a pressure of 250torr at 32 degrees Celsius. Calculate the pressure (in atmosphere)if the volume is reduced to 156mL and the temp is increased to 62 degrees Celsius. I really need the formula that I would be using. I am confused because ...
*December 3, 2010 by Lotty*

**sciencee**

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 9, 2010 by Teisha*

**Chemistry**

Determine the molar mass of each of the following gases? A. 2.90 g of gas that occupies 0.500 L at 0 C and 1.00 atm (STP) B. 1.48 G of gas that occupies 2.00 L at 0 C and 760 mmHg (STP) C. 0.726g of a gas that occupies 855 mL at 1.20 atm at 18 C? D. 2.32 G of a gas that ...
*July 19, 2010 by amy*

**Chem**

A 11.9-g sample of a gas has a volume of 5.25L at 30 degrees celsius and 762mm Hg. If 2.4g of the same gas is added to this constant 5.25-L volume and the temperature raised to 64 degrees celsius, what is the new gas pressure?
*October 26, 2010 by Lisa*

**Prep chem**

A gas occupies 30L at 25 celsius. What volume will it occupy at 200 celsius at the same pressure?
*April 18, 2011 by Laura*

**Chemistry**

A gas occupies a volume of exactly 500mL at STP. What would it occupy at exactly 70 degrees celsius and 400 mm of pressure?
*April 15, 2013 by Lidia*

**Chemistry**

A 12.0L sample of a as at a constant pressure of 608 mm Hg was heated from 40 degrees celsius to 60 degrees celsius. What volume does the gas now occupy? would I multiply 608 by 12 and then divide by the degrees celsius?
*January 13, 2012 by Hannah*

**Chemistry**

Calculate the joules of energy involved when 11 grams of water at 10.0 degrees Celsius cools and then freezes at 0.0 degrees Celsius. How many kilocalories are required to raise the temperature of 305 gtams silver from 30 degrees Celsius to 70 degrees Celsius? (spec. heat of ...
*January 24, 2011 by Palak*

**Chem 1**

An 80.0-gram sample of a gas was heated from 25 degrees celsius to 225 degrees celsius. During this process, 346j of work was done by the system and its internal energy increased by 7785j. What is the specific heat of the gas?
*April 1, 2014 by wen*

**Math**

Is this correct? The inside of your refrigerator might be set to a temperature of about____. My answer is 2.9 degrees Celsius because the choices are: A) -2.9 degrees Celsius B) 29 degrees Celsius C) 2.9 degrees Celsius D) 43.5 degrees Celsius. Thanks.
*September 6, 2009 by B.B.*

**Chemistry**

If 0.117 mol of argon gas occupies 2.15 L at 725 mmHg, what is the temperature in degrees Celsius? please explain step by step. Thank you so much
*November 16, 2010 by Jessica*

**Chemisty **

A sample of ammonia gas occupies 2.65 L when measured at 28 degrees celsius and 1.38 atm. What is the density of the ammonia under these conditions? Please help, I'm not sure which formula to use! Thank you.
*February 4, 2012 by Gabby *

**Chemistry**

A 10.8g sample of a gas has a volume of 5.25L at 25 degrees Celsius and 766mmHg. If 2.3g of the same gas is added to this constant 5.25L volume and the temperature raised to 68 degrees Celsius, what is the new gas pressure?
*January 18, 2011 by Jen*

**Physics 20**

1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled from 46 degrees Celsius to 2 degrees Celsius? 3. How much energy is gained when a 300g piece of ice at...
*June 8, 2014 by Tamai*

**chemistry**

if 27 grams of ice at 0 degrees celsius is added to 123 grams of water at 100 degrees celsius in an insulated container, calculate the final temperature. assume specific heat of water is 4.184 J/K g
*October 4, 2012 by Gabriel*

**Chemistry**

A gas at 65 degrees Celsius occupies 4.22L. At what Celsius temperature will the volume 3.87L, assuming the same pressure? -kay so ive tried this one like a million times & i cant seem to get the right answer so pls talk me through the steps. like i know the equation is V1/T1=...
*February 20, 2011 by kLb*

**Chemisrty**

Kate has 35 grams of xenon gas in a 15 liter tank at 11 degrees celsius and 250 atmospheres. If she heats the gas in the tank up to 2500 degrees celsius, what will its pressure be, in Kilopascals?
*December 19, 2010 by JJ*

**chemistry**

if 3.21 mol of a gas occupies 56.2 liters at 44 degrees celcius and 793 torr, 5.29 mol of this gas occupies how many liters under these conditions?
*January 20, 2010 by Anonymous*

**Chemistry**

A gas at 65 degrees Celsius occupies 4.22L. At what Celsius temperature will the volume 3.87L, assuming the same pressure? -kay so ive tried this one like a million times & i cant seem to get the right answer so pls talk me through the steps. like i know the equation is V1/T1=...
*February 20, 2011 by kLb*

**Physics**

Please Help! I am having difficulties grasping these concepts. Explain please! 1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled from 46 degrees Celsius ...
*June 8, 2014 by Tamai*

**Chemistry**

When elemental sulfur,S8,is heated with AgF,a gas forms that contains only sulfur and fluorine. The following tests were done to characterize this gaseous product. *The density of the gas was found to be 0.807g/L at 152mmHg and 35 degrees celsius. *When the gas reacts with ...
*November 10, 2009 by rasuka_geo*

**chemistry**

Calculate the resulting pressure if 4.50 liters of nitrogen at 35 degrees Celsius and 790 torr and 3.7 liters of oxygen at 15 degrees Celsius and 750 torr are pumped into a 1.00 liters container at 25 degrees celsius. Assume ideal gas behavior.
*March 24, 2014 by carolann*

**Science**

When elemental sulfur,S8,is heated with AgF,a gas forms that contains only sulfur and fluorine. The following tests were done to characterize this gaseous product. *The density of the gas was found to be 0.807g/L at 152mmHg and 35 degrees celsius. *When the gas reacts with ...
*November 10, 2009 by anonymous*

**Chemistry- partial pressures**

A sample of gas collected over water at 42 degrees C occupies a volume of one liter. The wet gas has a pressure of .986 atm. The gas is dried and the dry gas occupies 1.04 L with a pressure of 1.00 atm at 90 degrees C. Using this information, calculate the vapor pressure of ...
*January 1, 2007 by Dave*

**physics**

Two hundred liters of gas at zero degrees Celsius are kept under a pressure of 150 kPa. The temperature of the gas is raised to 273 degrees Celsius and the pressure is increased to 600 kPa. What is the new volume?
*April 1, 2011 by Anonymous*

**Havlicek**

12.5 moles of a gas occupy 32.0 liters at 100.0 degrees Celsius. What is the volume of 37.5 moles of the gas at 25.0 degrees Celsius?
*February 7, 2014 by Jocelyn*

**Physics **

Incandescent lightbulbs are filled with and inert gas to lengthen the filament life. With the current off ( at t= 20.0 degrees Celsius), the gas inside a lightbulb has a pressure of 115kPa. When the bulb is burning, the temperature rises to 70.0 degrees Celsius. What is the ...
*November 15, 2012 by Anonymous*

**PHYSICS 102E**

1. How much ice at -10 degrees Celsius is required to cool a mixture of 0.1 kg ethyl alcohol and 0.1 kg water from 20 degrees Celsius to 0 degrees Celsius? 2. Find the heat produced by 1 KW heating element in one hour. 3. A 3g lead bullet at 30 degrees Celsius is fired at a ...
*December 14, 2008 by Akitsuke*

**Chemistry Combined Gas Law**

Hi so im reviewing or our long test tomorrow on combined gas law and gay lussac's well here, combined gas law i find it (maybe ) confusing to do this one, because theres no right answers because it is a practice exercise.. what i know on combined gas law is that pressure is ...
*January 28, 2014 by Joy *

**Chemistry**

A 100g sample of water at 90 degrees celsius is added to a 100g sample of water at 10 degrees celsius. The final temperature of the water is which of the following: a) between 50 degrees celsius and 90 degrees celsius b) 50 degrees celsius c) between 10 degrees celsius This is...
*November 13, 2011 by Shellby*

**help chem**

A 0.236g sample of carbon dioxide, CO2, has a volume of 595mL and a pressure of 455mmHg . What is the temperature, in kelvins and degrees Celsius, of the gas? what is the degrees in celsius
*July 18, 2013 by Anonymous*

**Chemistry**

A balloon is filled with 0.75 L of helium gas at 1 atm pressure and 25 degrees Celsius. The balloon is released and floats upward in the atmosphere. The temperature drops to 23 degrees Celsius and the balloon expands to 1.50 L. What is the pressure at this altitude? Assume the...
*April 25, 2010 by Zecnoe*

**chemistry**

if 429 grams of gas occupies 25.6L at 49 degrees C at a pressure of 759 mmHg what volume will 4.29g of gas will occupy at 53 degrees C (assume pressure is unchanged)
*May 4, 2010 by Quentin*

**Chemistry**

20.7mL of ethanol (density=0.789g/mL) initially at 8.2 degrees Celsius is mixed with 37.1 mL of water (density=1.0g/mL) initially at 25.7 degrees Celsius in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the mixture? This is how I set up ...
*February 7, 2012 by Katie*

**college**

You transfer a sample of gas at 17 degrees celsius for a volume of 5.86 L and 1.10 atm to a container at 37 degrees celsius that has a pressure of 1.10 atm. what is the new volume of gas?
*December 1, 2010 by dayton*

**Chemistry**

A 5.0-g Sample of KBr at 25.0 degrees celsius dissolves in 25.0 degrees celsius 25.0 mL of water also at 25.0 degrees celsius. The final equilibrium temperature of the resulting soltution is 18.1 degrees celsius. What is the enthalpy of of solution in kilojoules per mole of KBr?
*December 2, 2010 by Sally*

**Chemistry **

Pantothenic acid id one of the B vitamins. A sample of pantothenic acid was found to produce 3.84 mL of nitrogen gas, N2 at 23 degrees celsius and 785 mmHg. What is the volume of the nitrogen gas (in liters) produced as 29 degrees celsius and 0.993 atm?
*February 28, 2013 by Kirstyn *

**Chemistry**

A gas is collected over water at 30.0 degrees celsius. It's pressure is 752.5 mm Hg. What is the pressure of the dry gas? Water vapor pressure at twenty degrees Celsius is 27.5 mm Hg.
*April 24, 2012 by Maria*

**Chemistry**

A gas is collected over water at 30.0 degrees celsius. It's pressure is 752.5 mm Hg. What is the pressure of the dry gas? Water vapor pressure at twenty degrees Celsius is 27.5 mm Hg.
*April 24, 2012 by Maria*

**chemistry**

a gas occupies 37.6 L at 2.00 atm pressure and 27C degrees. how many moles of gas are present in this sample
*May 8, 2013 by barbra*

**chemistry II**

If a 2.15-g sample of gas occupies 750. mL at STP, what is the molar mass of the gas at 125 degrees celcuis
*February 3, 2011 by kris*

**chemistry II**

If a 2.15-g sample of gas occupies 750. mL at STP, what is the molar mass of the gas at 125 degrees celcuis
*February 3, 2011 by kris*

**PHYSICS 102E**

(0.2kg)(4190J/kg.degree Celsius)(T-70 degrees Celsius)+(0.1kg)(390J/kg.degree Celsius)(T-20 degrees Celsius)= 0. how will I equate it to get the final Temperature? I don't understand how did they get the answer of T=67.8 degrees Celsius. can someone explain it? Pls. I have an ...
*December 14, 2008 by Akitsuke*

**chemistry**

If 0.385 g of a gas occupies a volume of 200mL at minus 73 degrees C and 750 torr, what is the molecular mass of the gas?
*November 4, 2007 by Lucy*

**Chemistry**

I'm having trouble trying to figure out how to setup and solve these problems: 1) 2,600.0 mL of air is at 20.0C. What is the volume at 60.0C? 2) A gas occupies 900.0 mL at a temperasture of 27.0C. What is the volume at 132.0C? 3) What change in volume results if 60.0 mL of gas...
*March 19, 2014 by Austin*

**Chemistry 3A**

a 325ml sample of air is at 720 torr and 30.0 degrees Celsius. what volume will this gas occupy at 800 torr adn 75.0 degrees Celsius.
*December 4, 2012 by Gurjot *

**CHEMISTRY**

At 285mmHg +25 degrees celsius,a gas sample has a volume of 2270ml. what is the final pressure in mmHg at a volume of 1250ml and a temperature od 175 degrees celsius?
*August 20, 2011 by TERI*

**Chemistry**

At 125 degrees Celsius, the pressure of a sample of He gas is 345 mmHg. At what temperature degrees Celsius will the pressure become 690 mm Hg, if the volume remains constant?
*July 28, 2013 by Hanna*

**Chemistry**

A sample of methane gas that has a volume of 4.0L at 15 degrees Celsius is heated to 75 degrees Celsius at constant pressure. Calculate the new volume.
*May 21, 2012 by Megs*

**mueller**

You know that a gas in a sealed container has a pressure of 111 kPa at 23 degrees Celsius. What will the pressure be if the temperature rises to 475 degrees Celsius?
*February 16, 2014 by victoria*

**chemistry**

if 0.896 grams of a gas occupies a 250 ml flask at 20 degrees celcius and 760 mm hg of pressure,what is the molar mass of the gas?
*August 6, 2013 by albius*

**Chem II**

A sample of gas in a 21.5-L container at 45 degrees Celsius is cooled at constant pressure to a temperature of -37 degrees Celsius at constant pressure. Determine the volume of the cooled gas.
*October 12, 2012 by Layney*

**chemistry**

A fixed quantity of gas, at constant pressure, occupies a volume of 8.50 L and has a temperature of 29.0 degrees C. What volume will the gas occupy if the temperature is increased to 125 degrees C? 6.4, 11.2, 14.1, 12.6, 4.9
*December 5, 2011 by Anonymous*

**Chemistry**

A sample of chlorine gas at a pressure of 420 mm Hg and in a volume of 3.50L was heated from 18.0 degrees celsius to 45 degrees celsius after being transferred to a container of volume 2.35L. The pressure in this new container should be about? The original T is 18 degrees ...
*January 15, 2012 by Hannah*

**Chemistry**

An unknown compound X is one of the four compounds listed in the table below. A mixture of X with o-toluic acid melts at 100 degrees Celsius, a mixture of X with benzoic acid melts at 112 degrees Celsius, a mixture of X with phenyl succinate melts at 110 degrees Celsius, and a...
*March 14, 2011 by Jenna*

**Chemistry**

A 0.188g sample of unknown metal, X (s), produced 71.4 ml of hydrogen gas when reacted with HCL according to the equation: X(s)+2HCL(aq)--->XCl2(aq)+H2(g) The gas was collected over water at 23 degrees Celsius. The levels of water inside and outside the gas collecting tube ...
*February 10, 2011 by K*

**Chemistry**

If 0.823g of an unknown gas occupies a volume of 702.0 mL at 38.9 deg. Celsius, and 726.2 mm Hg pressure, what is the molar mass of the gas? (pressure has already been corrected for water vapor pressure)
*April 17, 2011 by Carla*

**chemistry**

Calculate the enthalpy change for converting 10.0g of ice at -25 degrees Celsius to water at 80 degrees Celsius. The specific heats of ice, water, and steam are 2.09j/g degrees Celsius, 4.18j/g degrees Celsius, and 1.85j/g degrees Celsius. The enthalpy of fusion for water is 6...
*March 28, 2012 by Brittany*

**Chemistry **

A sample of gas occupies 100ml at 27 degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?
*May 19, 2014 by Angel *

**chemistry **

A sample of gas occupies 100ml at 27degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?
*May 19, 2014 by Angel *

**Physics**

I'm trying to rank the maximum temperatures of water at 20 degrees Celsius after adding in heated copper cylinders. The first case is 1 cylinder at 22.5 degrees Celsius. Second is two cylinders at 25 degrees Celsius. Third is 3 cylinders at 25 degrees Celsius. Lastly, 1 ...
*February 26, 2013 by Snowy*

**Chemistry URGENT**

can someone please tell me what formula's to use for the 2 following chemistry problems. 1. Calculate the solubility of potassium bromide at 23 degrees Celsius. hint. Assume that the solubility increases by an equal amount for each degrees between 20 degrees C and 30 degrees C...
*April 28, 2014 by jazz*

**Chemistry**

A 1.30-L sample of argon gas is at 1.02 atm and 21.5 degrees Celsius. a. what mass of argon is in the container. b. If the temperature is raised to 500 degrees celsius while the volume remains constant, calculate the new pressure, in stmospheres.
*November 9, 2012 by Dee*

**Chemistry 3A**

the pressure of hydrogen gas in a constant volume cylinder is 4.25atm at 0 degrees celsius. what will the pressure be if the temp. is raised to 80 degress celsius? Also do we have to first convert celsius to kelvin?
*December 4, 2012 by Gurjot *

**chemistry**

calculate and compare the average gas phase translational energies and rms speeds of HE gas and H2 gas at 20 degrees celsius
*January 23, 2011 by brandie*

**chemistry**

What mass of N2O occupies a volume of 0.500 L at 0 degrees Celsius and 101.325 kPa?
*April 6, 2014 by stella*

**eighth grade math**

at temperaturesof 100 degrees celsius or higher, water changes to steam (a gas).At temperatures of 0 degrees celsius or lower water changes to ice (a solid) . in between these extremes, water is a liquid. draw number lines showing the tempertures at which the water is: a. a ...
*March 17, 2009 by lauren<3*

**Chemistry**

Chlorofluocarbon was once used in air conditiones as the heat transfer liquid its normal boiling point is -30 degrees C and its enthalpy of vaporization is 16J/g. The gas and the liquid have specific heat capacities of 0.61 J/g8C and 0.97 J/g*C, respectively. How much thermal ...
*November 21, 2011 by 19*

**chemistry- themo**

How many kilocalories are required to raise the temperature of 305 grams silver from 30 degrees Celsius to 70 degrees Celsius? (spec. heat of Ag =0.6g cal/g degrees Celsius)
*January 25, 2011 by Palak D*

**chemistry**

the specific heat capacity of mercury is 0.033 cal/(g))degrees Celsius)How many grams of Hg could be raised to 50 degrees celsius from 27 degrees celsius with 381 joules?
*April 16, 2009 by marcus*

**Chemistry**

A 50g sample of metal was heated to 100 degrees Celsius and then dropped into a beaker containing 50g of water at 25 degrees Celsius. If the specific heat of the metal is .25 cal/g degrees Celsius, what is the final temperature of the water? A. 27 B. 40 C. 60 D. 86 (units are ...
*July 23, 2011 by Monique*

**physics**

Initially 48g of ice at 0 degrees celsius is in an aluminium calorimeter can of mass 2.0 g also at 0 degrees celsius.Then 75g OF water at 80 degrees celsius is poured into the can.What is the final temperature.
*April 12, 2012 by musuma*

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