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July 30, 2014

Search: A gaseous mixture of and contains 36.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 565 ?

Number of results: 29,534

chemistry
What is the spectra/spectrum (?) of the following gases? -helium -hydrogen neon -nitrogen I'm not understanding this chapter really well. I have to research this stuff online but I don't really understand what I'm supposed to be looking for.
November 9, 2009 by lola

science
i need to draw a picture of nitrogen as a person, with the amount of protons, neutrons, electrons and the atomic number, all of which are 7, corresponding to the head, body, arms and legs. any ideas on how to draw this?
February 21, 2010 by lynn

chemistry
N2H4 reacts with oxygen to yield nitrogen gas and water . The reaction of 3.80g n2h4 evolves 73.7kj of heat. what's the enthalpy change per mole of hydrazine combusted.
April 19, 2010 by olexandra

Chemistry
What is the maximum weight (in grams) that 15 party balloons, each filled with 2 L of helium, can lift at STP? You can assume the weight of the balloon rubber is negligible and the outside air can be treated as pure nitrogen.
October 17, 2010 by Erika

chemistry- thank you
What is the maximum weight (in grams) that 15 party balloons, each filled with 2 L of helium, can lift at STP? You can assume the weight of the balloon rubber is negligible and the outside air can be treated as pure nitrogen.
October 31, 2010 by Anthony

chemistry
A container is charged with hydrogen, nitrogen, and ammonia gases at 120C and the system was allowed to reach equilibrium. What will happen if the volume of the container is increased at constant temperature? 3H2(g) + N2(g) 2 NH3(g)
February 27, 2012 by Tanner

Chemistry
How many moles of ammonia gas can be formed from the complete reaction of 44.8 liters of nitrogen gas at standard temperature and pressure (STP), according to the balanced equation, N2 (g) + 3H2 (g) arrow 2NH3 (g)?
March 13, 2014 by Diana

Chemistry
A sample of nitrogen occupies a volume of 300ml under a pressure of 380 torr at -177C. What would be the volume at STP? I know the answer is 430mL but I don't know which equations to use to formulate the calculation.
May 1, 2014 by n

Physics
An old Chrysler with mass 1800 kg is moving along a straight stretch of road at 58 km/h. It is followed by a Ford with mass 1400 kg moving at 70 km/h. How fast is the center of mass of the two cars moving?
July 20, 2010 by Teddy

Molar Mass Question
Hello, I have been asked to find the molar mass of ferrous ammonium sulfate [ NH4]2[Fe][SO4]26H2O] would i consider the molar mass of the water as well, why or why not?
November 15, 2010 by Moi

English
After you solve the cross word puzzle, using the answer words, complete the dialogue between a teacher and a student. Look at the first row, Across one starts with 's.' Down four contains one r. What is the suitable word for Down 1? Across 6 ends with l. What word is Across 6...
April 15, 2009 by John

Chemistry
Can some please check my answers for the following questions? THANK YOU. 1)The chemical formula for aspirin is C9H8O4. What is the mass of 0.40 mol of aspirin? ANSWER: 45 g 2)The gram molecular mass of oxygen is. ANSWER: 16.0 g 3)What is the mass, in grams, of 3.01 x 10^23 ...
August 1, 2007 by anonymous

Chemistry
The reaction for the formation of gaseous hydrogen fluoride from hydrogen and fluorine has an equilibrium constant of 1.15x10^2 at a given temperature. In a particular experiment, 3.0 mol of each component was added to a 1.5 L flask. What is the equilibrium concentration of ...
April 10, 2013 by ramire2

Chemistry
The buoyant force on a balloon is equal to the mass of air it displaces. The gravitational force on the balloon is equal to the sum of the masses of the balloon, the gas it contains, and the balloonist. If the balloon and balloonist together weight 175 kg, what would the ...
October 11, 2010 by Emma

science
if one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic mass of the element aluminium. Subtract 3*12 from 144 (ie, 108) Relative atomic mass= (108/4)/12
May 18, 2007 by smartypants

chem
2) How many moles of nitrogen monoxide will be produced when 80.0 grams of oxygen are used? What volume of ammonia is needed? this iz the equation 4NH3 + 5O2 -> 6H2O + 4NO the 1st part i got 4 mol NO and i dont no how to do the 2nd prt
January 25, 2009 by gabriella

physics repost
Three masses are aligned along the x axis of a rectangular coordinate system so that a 2 kg mass is at the origin, a 3kg is at (2,0) m, and a 4 kg mass is at (4,0) m. Find (a) the gravitational force exerted on the 4 kg mass by the other two masses and (b) the magnitude and ...
December 9, 2007 by Anonymous

Mass Spectrometry
I don't have a clue where to start with this problem: Carbon has two stable isotopes, 12/6C and 13/6C, and fluorine has only one stable isotope, 19/9F. How many peaks would you observe in the mass spectrum of the positive ion of CF4+? Assume that the ion does not break up into...
June 11, 2006 by Pete

Inorganic chemistry
One kind of battery used in watches contains mercury(II) oxide. As current flows, the mercury oxide is reduced to mercury. HgO(s) + H2O)(l) + 2e^- ==> Hg(l) + 2OH^-(aq) If 2.5x10^-5 ameres flows continuously 1095 days, what mass of Hg(l) is produced? (2.5x10^-5)(1095 days)(...
April 14, 2009 by Steve

Physics
1- A mass m is pushed against a spring of spring constant k = 12000 N/m. The mass slides on a horizontal smooth surface except for a rough one meter long section, and then it encounters a loop of radius R as shown in the figure. The mass just barely makes it around the loop ...
May 25, 2013 by Maryam

Chemistry
4Fe + 3O2 -> 2Fe2O3 + 1.65E3 kJ C) what is the enthalpy change for the formation of 23.6 g of iron(iii) oxide? I'm trying to understand thermochemical reactions and stoichiometry, so could you please tell me if this is correct? And please explain the parts that I clearly ...
February 6, 2013 by A Canadian

Chemistry
4Fe + 3O2 -> 2Fe2O3 + 1.65E3 kJ C) what is the enthalpy change for the formation of 23.6 g of iron(iii) oxide? I'm trying to understand thermochemical reactions and stoichiometry, so could you please tell me if this is correct? And please explain the parts that I clearly...
February 6, 2013 by A Canadian

Algebra
Taras website, Garden Edibles, specializes in the sale of herbs and flowers for colorful meals and garnishes. Tara sells packets of nasturtium seeds for $0.95 each and packets of Johnny-jumpup seeds for $1.43 each. She decides to offer a 16-packet spring-garden combination, ...
May 13, 2010 by Susie

physics
The Moon can be considered to be a sphere with uniform density with mass MM and radius RM. At the (exact) center of the Moon, the gravitational force on a mass m due to the mass of the Moon is? I know the answer is zero but want to know why using gauss' law
July 9, 2012 by lanre

Chemistry
Element L has an average atomic mass of 54.2488 amu and is composed of two isotopes. The first has a mass of 55.2036 amu and makes up 41.030% of a standard sample. What is the mass of the second isotope? I under how to get average atomic mass but not sure how to get the second...
October 12, 2013 by Star

Chemistry
I need to calculate the mass of CO2 produced in the reaction of NaHCO3 + HCl Data Mass of NaHCO3 = .05g Mass of system before reaction 117.9 g Mass of system after reaction 117l98 Maxium pressure 1.4094 initial pressure 1.0094 pressure change .4 temp 299.2K
June 24, 2014 by Sarah

Physics
An Atwood's machine consists of masses m1 and m2, and a pulley of negligible mass and friction. Starting from rest, the speed of the two masses is 3.80 m/s at the end of 3.16 s. At that time, the kinetic energy of the system is 77.0 J and each mass has moved a distance of 6.00...
February 24, 2011 by devin

Physics
M1 has a mass of 5.01 kg. It is on a horizontal surface, connected by a light string to a hook. Mass M2 can be increased smoothly by adding masses little at a time. The pulley has a negligible mass and no friction. When M2 is 2.40 kg it begins to accelerate downwards at a rate...
October 6, 2011 by Bill Burger

physics
A 2.24 kg mass on a frictionless horizontal track is attached to the end of a horizontal spring whose force constant is 4.45 N/m. The mass is displaced 3.06 m to the right from its equilibrium position and then released, which initiates simple harmonic motion. How many times ...
December 2, 2012 by Emily

Physics
divide both sides of the equation by mass, it divides out. mass*HeatFusion=mass*gh How do you calculate the height that a block of ice at 0C must be dropped to completely melt upon impact. Assume that all of the initial gravitational potential energy of the block goes into ...
November 5, 2006 by bobpursley

physics help 4
An astronaut on a small planet wishes to measure the local value of g by timing pulses traveling down a wire which has a large mass suspended from it. Assume that the wire has a mass of 4.10 g and a length of 1.60 m and that a 3.00 kg mass is suspended from it. A pulse ...
November 9, 2008 by kelsey

Physics
Mass 1 and mass 2 are connected as shown by a massless, non-stretch rope that passes over a massless, frictionless pulley. The masses are on inclines which have friction. When the angles of the string are as given, mass 1 experiences an acceleration up the incline of 1.00 m/s/...
July 25, 2012 by Zac

CHEM!!
One mole of NH3 was injected into a 1 L flask at a certain temperature. The equilibrium mixture
May 2, 2007 by Linda

chemistry
In a mixture of ethanol and water, the strongest intermolecular force present between the two chemicals is
February 4, 2008 by alex

chemistry
In a mixture of ethanol and water, the strongest intermolecular force present between the two chemicals is
February 10, 2008 by Anonymous

Social Studies
What is the name of the mixture of sand, lime, and water used as lubricant to help move stones?
December 11, 2008 by Rachael

science
How do you seperate a mixture of iron and sulphur by means of a phsyical test without using a method
February 11, 2009 by Jeanne

orgenic chemistrry
why is the reaction mixture extracted with sodium bicarbonate?give an equation and explain its relevance.
November 11, 2009 by priyanka

Chem
Determine the final temp when 45.8g of aluminum at -5.2C is added to a mixture of 45.0g of ice at 0C and 2000g of water at 95C?
November 19, 2009 by Lindsey

chemistry
describe how you would produce pure samples of iron and sulphur powders from a mixture of the two.
February 11, 2010 by Natalia

Chemistry
What precautions must be taken when you introduce the mixture of compounds to be separated onto the absorbent column
May 2, 2010 by James

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
1. Which of the following is a homogeneous mixture? a. Diamond b. A smoke cloud c. Ethanol d. Gasoline e. Muddy wate
May 17, 2011 by James

chemistry
objective and conclusion for experimenting a baking sosa - sand mixture for a mole-grams and molecules
March 1, 2012 by Anonymous

Organic Chem
Outline a separation scheme for isolating pure isopentyl acetate from the reaction mixture.
April 16, 2012 by Peter

Chemistry
Ca(OH)2 has a Ksp of 6.5 x 10^-6. If 0.37 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to equilibrium, will the solution be saturated?
November 18, 2012 by Kervin

Chemistry
Ca(OH)2 has a Ksp of 6.5 x 10^-6. If 0.37 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to equilibrium, will the solution be saturated?
November 18, 2012 by Kervin

Chemistry
Ca(OH)2 has a Ksp of 6.5 x 10^-6. If 0.37 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to equilibrium, will the solution be saturated?
November 18, 2012 by Kevin

chemistry
Calculate the number of grams of acetic acid present in the mixture after the reaction is complete.
January 29, 2013 by Anonymous

chemistry
what is the normality and nature of the mixture obtained by mixing 0.62 gram of na2co3.h2o to 100 ml of 0.1N h2so4
May 18, 2013 by aditi

Physical Science 9
How would you separate a mixture of iron fillings , salt, sand, and wood chips
March 16, 2014 by Steve

chemistry
Do NPK fertilizers contain all three elements (nitrogen, phosphorus and potassium) in them or just 1 of the three elements?
February 19, 2012 by Smk

Chemistry
The Haber process is used to synthesize ammonia from hydrogen and nitrogen. How much hydrogen is required to produce 42.8 kg of ammonia?
February 9, 2014 by Jesus

Chemistry
Terephthalic acid is an important chemical used in the manufacture of polyesters and plasticizers. It contains only C, H, and O. Combustion of 19.81 mg terephthalic acid produces 41.98 mg CO2 and 6.45 mg H2O. If 0.262 mol of terephthalic acid has a mass of 43.5 g, determine ...
April 25, 2010 by sean P.

chem
Ca(H2PO4)2 and NaHCO3 are ingredients of baking powder which react with each other to produce CO2, thereby causing dough or batter to rise: Ca(H2PO4)2 (s) + NaHCO3 (s) -----> CO2 (g) + H2O (g) + CaHPO4 (s) + Na2HPO4 (s) (unbalanced) If the baking powder contains 39 % NaHCO3...
September 22, 2008 by fru

Chemistry
A steel cylinder contains 98.0 moles of oxygen gas at temperature of 38 degree Celsius and a pressure of 740 torr. After some of the oxygen gas has been used, the pressure is reduced to 332 torr at a temperature of 24 degree Celsius. What mass of oxygen gas is removed from the...
February 3, 2011 by K

math
Robert has three boxes of letters: The first box contains the six letters in the word "bubble" the second box has the three letters in the word "zoo" and the third contains the four letters in the word "taxi". If he randomly selects one letter from each of the three boxes, ...
January 20, 2014 by ava

chemistry
(a) Consider the gaseous molecule BN-. At home, construct the molecular orbital diagram that is consistent with the known order of filling of molecular orbitals in the second period and with BN- being stable and paramagnetic. What is the bond order of BN-? (c) What ion of BN ...
March 23, 2013 by schoolgirl

chemistry
a. How many atoms of hydrogen are in 25.0 g of ammonia (NH3)? Use the format 6.02E+23 for 6.02 x 1023 b. How many atoms of nitrogen are in the same amount of ammonia?
September 17, 2010 by kellie

chemistry
The mole fraction of nitrogen in air is 0.7808. calculate the partial pressure of N2 in air when the atmospheric pressure is 760 torr?
November 18, 2011 by NONO

chemistry
A sample of nitrogen gas is confined in a 8.278 x 10-2 L container at 2.236 x 102 torr and 50 oC. How many moles of gas are present in the sample?
January 27, 2014 by erin

chemistry
O2, Oxygen, has a boiling point of 90K (-183C), and nitrogen, N2, has a boiling point of 77K (-196 C). Which is a liquid and which is a gas at 80 K (-193C)?
July 30, 2013 by Anonymous

biology
Nitrogen gas is the most abundant gas in the atmosphere. Why is it not useful to most organisms in its atmospheric state?
January 12, 2011 by pkd

physics
write down in terms of the mass m and the velocity v of the body, expressions for i) momentum ii) the kinetic energy use your answer to (b) to help calculate the mass and the velocity of the ball momentum is mass*velocity Kinetic energy is 1/2 mass*velocity squared.
October 16, 2006 by Kim

Chemistry
In trial one the mass of silver oxide is .5g. The mass of silver metal product is .431 grams. In trial two the silver oxide=.498 and silver metal=.388. How do you use this information and the conservation of mass to calculate the mass of oxygen that combined with the silver?
September 19, 2010 by mike

physics
A mass of 2 kg is hung from the lower end of a vertical spring and extends it by 40 cm. The mass is now pulled down a further 20 cm and is then released from rest so that it oscillates about the equilibrium position. Determine : a) the spring stiffness constant k for the ...
April 21, 2012 by minha

AP Chemistry
The buoyant force on a balloon is equal to the mass of air it displaces. The gravitational force on the balloon is equal to the sum of the masses of the balloon, the gas it contains, and the balloonist. If the balloon and balloonist together weight 175 kg, what would the ...
October 12, 2010 by Em

CHemistry....Please help
1.SOLUBILITY: At 25C, the molar solubility of calcium phosphate in water is 1.1*10^{-7}M. Calculate the solubility in grams per liter. I m not sure how to convert M to g/L MOLAR MASS OF COLLIGATIVE PROPERTIES: 2.tert-Butyl alcohol is a solvent with a Kf of 9.10 C/m and a ...
January 24, 2009 by Saira

chem
A calorimeter contains 16.0ml of water at 15.0degrees celsius. When 1.60g of X(a substance with a molar mass of 46.0g/mol) is added, it dissolves via the reaction X(s)+H20(l)->X(aq) and the temperature of the solution increases to 25.0degrees celsius. Calculate the enthalpy...
October 8, 2008 by tomi

chem
An aspirin tablet weighing 0.650 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved the tablet in hot NaOH and the cooled solution was diluted with DI water to the mark in a 250 mL volumetric flask. Exactly 3.00 mL of the solution was ...
April 20, 2008 by un

chem
An aspirin tablet weighing 0.475 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved the tablet in hot NaOH and the cooled solution was diluted with DI water to the mark in a 250 mL volumetric flask. Exactly 3.00 mL of the solution was ...
April 18, 2011 by CHEMCHEM

chemistry
sodium borohydride (NaBH4) is used industrially in many organic syntheses. one way to prepare it is by reacting sodium hydride with gaseous diborone. Assuming an 86.8% yield,how many grams of NaBH4 can be prepared by reacting 7.98g of sodium hydride and 8.16g of diborone? i ...
October 3, 2011 by hlp

chemistry
sodium borohydride (NaBH4) is used industrially in many organic syntheses. one way to prepare it is by reacting sodium hydride with gaseous diborone. Assuming an 86.8% yield,how many grams of NaBH4 can be prepared by reacting 7.98g of sodium hydride and 8.16g of diborone? i ...
October 4, 2011 by help

chemistry
3 h20 + N2 yields 2 NH3 how many moles of ammonia NH3 would be produced by reacting 6.00 moles of hydrogen H2 with an adequate amount of nitrogen N2
April 27, 2009 by kathy

science please help asap
i need acrostic for nitrogen asap Noble gas In the air TNT R O Gas Everywhere Non metal
January 13, 2010 by dash154

Chemistry
When heated, lithium reacts with nitrogen to form lithium nitride: 6Li+N2 --> 2Li3N What is the theoretical yield of Li3N in grams when 12.4 g of Li is heated with 33.9g of N2
June 12, 2010 by Jerry

Chemistry
If you react 55g of hydrazine and 55g of oxygen gas, what is the maximum moles of nitrogen dioxide gas that can be made and what is the limiting reagent?
March 1, 2011 by Melanie

Chemistry
A 1.5 liter flask is filled with nitrogen at a pressure of 12 atmospheres. What size flask would be required to hold this gas at a pressure of 2.0 atmosphere?
April 8, 2012 by Imani

Chemistry 3A
a sample of nitrogen gas, N2 occupies 3.0L at a pressure of 3.0 atm. what volume will it occupy when the pressure is changed to 0.50 atm and the temperature remains constant?
December 3, 2012 by Gurjot

chemistry
How much ammonia is produced if 1.80 m3 of hydrogen reacts with 0.5m3 of nitrogen? Also state which reagent is in excess and by how much? Question is related to the Haber process. Please can anyone answer this for me by 02 July 2010. Thanx
June 30, 2010 by Anonymous

chemistry
I need to convert a word problem that I was given into a balanced chemical equation and cannot figure out how i was type it. The problem is: Nitrogen and hydrogen gases react at extreme temperatures and pressures. Any help?
January 8, 2012 by Zoe

chemistry
in trial one the mass of silver oxide is .5g. The mass of silver metal product is .431 grams. In trial two the silver oxide=.498 and silver metal=.388. Use the conservation of mass to calculate the mass of oxygen that combined with the silver
September 19, 2010 by kelly

Chemistry
a girl is celebrating her 7th birthday. each guest is served one large slice of choclate cake, a hamburger, french fries, and some oranges. identify the food groups mentioned above. if one slice of chocolate cake contains 35g of carbohydrate, 15g of fat and 5g of protein, ...
September 12, 2011 by ROCKY

chemistry
"A 280ml flask contains pure helium at a pressure of 754 torr . A second flask with a volume of 475ml contains pure argon at a pressure of 732 torr . If the two flasks are connected through a stopcock and the stopcock is opened, what is the partial pressure of helium? What is ...
February 26, 2011 by T

Physics 11
I need help on this question 79 g of water at 95 degree Celsius were added to tap water at 22 degree Celsius, and the Temperature of the mixture after all thermal energy transfer ended at 36 degree Celsius. What was the mass of the tap water? (teacher's answer key : 412 grams...
November 16, 2009 by Andrew

chemistry
If boron hydride, B4H10, is treated with pure oxygen, it burns to give B2O3 and H2O. 2 B4H10(s) + 11 O2(g)  4 B2O3(s) + 10 H2O(g) If a 0.050-g sample of the boron hydride burns completely in O2, what will be the pressure of the gaseous water in a 4.25-L flask at 30. C?
February 3, 2011 by Jazmin

chemistry (Pls Bob check for me)
A 1.2g mixture of na2c03 and k2c03 was dissolved in water to form 100cm3 of s solution, 20cm3 of this solution required 40cm3 of 0.1N hcl for neutralization. Calculate the wieght of na2c03 and k2c03 in the mixture The answer 0.4G My own calculation: na2c03 weight = 106g/2 = ...
February 24, 2013 by Fai

Chem.
Nitrogen oxide (NO) has been found to be a key component in the many biological processes. It also can react with oxygen to give the brown gas NO2. When one mole of NO reacts with oxygen, 57.0 kJ of heat is evolved. a) Write the thermochemical equation for the reaction between...
January 29, 2007 by Christopher

microsoft exel help
Suppose that cell B2 contains the budgeted amount and cell C2 contains the actual amount. Write the formula (including the IF conditions) that would insert the word under if the actual amount was less than the budgeted amount and insert the word over if the actual amount was ...
March 27, 2011 by Anonymous

physics
an atwoods machine has a solid cylindrical pulley with a mass of 200g and a radius of 10cm. a 1.2 kg mass is hung on one side and a 1.1kg mass on the other side, find the acceleration of the two masses and the itme for them to travel a distance of 60cm
November 17, 2010 by chris

Physics
Two astronauts, each having a mass of 61.9 kg, are connected by a 14.7 m rope of negligible mass. They are isolated in space, orbiting their center of mass at speeds of 5.57 m/s. Calculate the magnitude of the initial angular momentum of the system by treating the astronauts ...
March 27, 2013 by Celeste

science
if you grow a plant and observe that the plant is green and leafy, but it doesnt grow many fruits and flowers what is the soil lacking? a) nitrogen B)phosphorous c)potassium
June 7, 2008 by Anonymous

chemistry
Calculate DHo for the oxidation of nitric oxide to nitrogen dioxide, 2 NO(g) + O2(g) --> 2 NO2(g), from the following data: DHof[NO(g)] = +90.25 kJ DHof[NO2(g)] = +33.18 kJ im confused...can someone help me.
November 19, 2009 by leanne

Chemistry
A sample of nitrogen gas at 298 K and 745 torr has a volume of 37.42 L. What volume will it occupy if the pressure is increased to 894 torr at constant temperature?
July 11, 2011 by Jacob

physics
Three moles of nitrogen gas, N2, at 26.8 ◦C are contained in a 35.8 L cylinder. Find the pressure the gas exerts on the cylinder walls. Answer in units of Pa
April 26, 2013 by Anonymous

College Chemistry
A solution is saturated in both nitrogen gas and sodium iodide at 50 degrees C . When the solution is cooled to 25 degrees C what is most likely to occur?
March 23, 2014 by Brandy

Chemistry
Please help. I just want to make sure I'm doing this right. I have to write the abbreviated ground state electron configurations for the following: nitrogen 2s^22p^3 chlorine 3s^23p^5 iron 3d^104s^2 Thanks. If there wrong I'll start over, I think I know how to do them.
November 10, 2008 by Sue

chemistry
This is a lab question...I don't understand how to do it. A solution consisting of isobutyl bromide and isobutyl chloride is found to have a refractive index of 1.4194 at 20 degrees celsius. The refractive indices at 20 degrees celsius of isobutyl bromide and isobutyl chloride...
November 11, 2009 by Kay

Physics
Two objects x and y with a total mass od 2.5 x 10^3 kg are joined together in outer space and are at rest. An astronaut in a space shuttle presses a button that is explosive and seperates the two objects from each other. X moves to the right with a velocity of 4.8 m/s and Y ...
August 8, 2011 by Xanther

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