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2010
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November 19, 2010
The following reaction has an equilibrium constant of 0.50 at a given temperature.
HCHO(g) CO(g) + H2(g) If you have 0.55 moles
2 answers
asked by
Adrianne
731 views
Consider the following reaction at equilibrium:
2NH3 (g)<-> N2 (g) + 3H2 (g) ΔH° = +92.4 kJ Le Cha ^ telier's principle
4 answers
asked by
richy
1,897 views
Nitrosyl bromide decomposes according to the following equation.
2NOBr (g)(equilibrium arrow) 2NO (g) + Br2 (g) A sample of NOBr
4 answers
asked by
jessie
11,839 views
Is this correct?
Write the following as a common fraction or mixed number. 5.679 = 5.679 = 5 679/1000. It cannot be reduced
1 answer
asked by
heather
402 views
Give examples of both discrete and continuous data? What makes them different? Is the measurement of money continuous or
3 answers
asked by
sue
628 views
Explain, in terms of subatomic particles, the difference
between S-32 and S-34
1 answer
asked by
lisa
423 views
a 17 kg car travels in a flat circle . At a certain instant the velocity of the car is 18m/s west and the total acceleration of
2 answers
asked by
maira
1,034 views
In a car race, there are 6 Chevrolets, 4 Fords, and 2 Pontiacs.
In how many ways can the 12 cars finish if we consider only the
3 answers
asked by
Dawn
585 views
You want to heat a satellite by radioactive decay of 238 plutonium. Assume you need heating of 200 Watts (J/s), how many
3 answers
asked by
Anonymous
599 views
A group of goats&duck s hav a total of 99 heads n legs among thm. Ther r twice as many ducks as ther r goats. How many r ther of
1 answer
asked by
mar
459 views
A gas filled balloon having a volume of 3.0 L at 1.1 atmosphere of pressure and a temperature of 22 C is allowed to rise into
2 answers
asked by
Emily
522 views
What does the nitrogen cycle do to the islands?
3 answers
asked by
Hailey
344 views
A cone of radius r centimeters and height h centimeters is lowered point first in at a rate of 1 cm/s into a tall cylinder of
4 answers
asked by
Dan
1,586 views
1 5/8 inches represents about how many miles on the scale bar on the political map legend?
3.8 centimeters represents about how
2 answers
asked by
tatiana
752 views
what is 74 dollars minus 30% i think its 51 dollars
1 answer
asked by
alley
292 views
a soccer ball kicked with a force of 14.1 N accelerates at 6.8 m/s^2 to the right. What is the mass of the ball?
in units of Kg.
1 answer
asked by
Nancy
416 views
the following data were collected when titrating 25.00 mL samples of HCL with 0.511 M NaOH:
initial burette reading (mL): trial
3 answers
asked by
jj re
530 views
With help of the 10 equilateral triangles of side 3 cm, 8 rectangles of 4*2 cm and 4 square of 3*3 cm make 3 structures using
1 answer
asked by
Jay
323 views
if the combustion of oil yields 4.0x10^4 kj/kg what mass of oil must be burned to yield the number of joules in part b? the
2 answers
asked by
MARY :)
547 views
if the combustion of oil yields 4.0x10^4 kj/kg what mass of oil must be burned to yield the number of joules in part b? the
1 answer
asked by
MARY :)
457 views
in a titration, 0.0400 mol of solid NaOH is required to neutralize 10.0 mL of H2SO4(aq). From these data, the [H2SO4] is:
2 answers
asked by
jj re
887 views
At 298K, Go = -141.8 kJ for the reaction
2 SO2 + O2 in equilibrium with 2 SO3 Calculate the change in Gibbs free energy (in kJ)
2 answers
asked by
tyson
936 views
Choose one of the following basic business processes: inventory management, operations and manufacturing, HR management, or
2 answers
asked by
paul
549 views
A kettle heats up 1.5L of water from 22 degreesC to 90 degreesC in 4 min. What power did the water receive?
1 answer
asked by
B
446 views
1. The reaction,
CO(CH2COOH)2 CO(CH3)2 + 2CO2, follows first-order kinetics and has an activation energy of 96.6 kJ mol-1. At 293
1 answer
asked by
Kyo
1,077 views
Define and comment on the Marketing Concept. Outline and comment on the role of marketing management within the wider context of
1 answer
asked by
Marketing Management
403 views
If a diploid organism has 4 chromosomes, how many pairs of homologous chromosomes would you expect to see during early prophase
1 answer
asked by
bella
729 views
A hydrated aluminium sulphate A12(SO4)3.xH2O, contains 8.10% of
aluminium by mass. Find the value of x
2 answers
asked by
hana
605 views
Iron metal CANT reduce Fe3+ to Fe2+. Why?
1 answer
asked by
Jenny
668 views
When graphing y< -6 should the region below linie y= -6 be shaded or should the region above the line y= -6 be shaded?
2 answers
asked by
Olinda
721 views
20 copies of the school yearbook together weigh 50 lb. What is the weight of each book?
How do I set this up?
4 answers
asked by
Rose
941 views
What are 2 complications in the novel, The Plague by Albert Camus?
2 answers
asked by
Patricia
554 views
Suppose I have a spring. I add a mass (m = 1.0 kg) and it is displaced by 15 cm. What is the spring constant k in units of
3 answers
asked by
lisa
334 views
In the Melde's string apparatus, why there is no standing wave in the segment between the pulley and mass hanger?
3 answers
asked by
sandhu
485 views
How much ice can be melted at 0oC by the condensation of 1.0 kg of steam at 100.oC?
(ΔHfus of ice = 6.01 kJ/mol; ΔHvap of water
3 answers
asked by
Molly
699 views
2x^2+10x+7=0 factor this problem out
1 answer
asked by
Rose
319 views
what does controversial mean?
1 answer
asked by
Anonymous
317 views
Calculate the vapor pressure of a solution of 0.39 mol of cholesterol in 5.4 mol of toluene at 32oC. Pure toluene has a vapor
4 answers
asked by
Molly
2,130 views
What is the entropy change for the vaporization of 2.6 mol H2O(§¤) at 100◦C and 1 atm? dH= 40700 J/mol
Answer in units of J/K
4 answers
asked by
Samantha
3,156 views
How many mL of concentrated ammonia (14M) should be diluted to 250 mL to make a 0.75 M NH3 solution?
4 answers
asked by
Lisa
891 views
Why did public opinion and our government's policies on immigration in general change in the early 1900s?
2 answers
asked by
Liberty
927 views
what is the most inportant symbol of freedom the slaves.( in a narrative life of fredrick douglass?
1 answer
asked by
ashely
455 views
Describe the policies of our government regarding immigration during the first 100 years of U.S. history.
1 answer
asked by
Mark
461 views
what could be possible answers to these two questions.....1 why determine the amount of solvent by difference and not by
2 answers
asked by
Davia
504 views
A ball is launched at an upward angle of 45 degrees from the top of a cliff 165 meters high, with a speed of 180 m/s. Use
3 answers
asked by
max
501 views
WRITE two to three paragraph breifly summarizing the theory and discussing which of the" seven intelligences" apply to you.
1 answer
asked by
CARLINE
446 views
We are studying mutual bond funds for the purpose of investing in several funds. For this
particular study, we want to focus on
3 answers
asked by
Anonymous
1,501 views
18.0 grams of oxygen is reacted with nitrogen to make 56.0 grams of nitrogen dioxide according to the following reaction:
2O2 +
2 answers
asked by
SAMM
874 views
A rectangular animal pen will be built using 200 meters of fencing. If one side of the rectangle is meters, find the area of
4 answers
asked by
Shauna
1,015 views
A circular gear turns 60 per hour. Through how many radians does it turn in a 24-hour day?
4 answers
asked by
De'Steven
1,052 views
14. Victor ______ siempre comemos a las seis.
a. y tú b. y yo c. y ella d. y él Can't decide between A and B... 16. Yo ______.
5 answers
asked by
mysterychicken
900 views
C.How much work does the ride do to lift theriders up to a height of 50 meters?
1 answer
asked by
Anonymous
413 views
what is the density of an unknown liquid that has a mass of 44.0g and volume of 55.0mL
1 answer
asked by
Jimmy Hook
330 views
The ionization potential of N is less than O, but larger than M.
1 answer
asked by
Eureka
310 views
By the end of the eighteenth century, the British public preferred the high moral ground embraced by dramatists to the more
2 answers
asked by
danny
957 views
A 0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. The velocity of the rock
4 answers
asked by
Jon
1,416 views
12x^2-20x+3
Factor. Cant figure it out.. Thanks!
1 answer
asked by
Kayla
424 views
number of cars by make owned by 100 one-car owners
1 answer
asked by
Anonymous
253 views
1. solve 3-w/6-w = 3/w-6
2. Find the LCM of (8+9z), (64-81z^2), and (8-9z) 3. Multiply and simplify: 7z^8/10r^2 * 100r^4/49z 4.
1 answer
asked by
Anonymous
800 views
The discriminant of an equation is 73. How many times will the graph of this equation touch the x–axis?
2 answers
asked by
Preston
957 views
3. To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total
1 answer
asked by
Anonymous
448 views
i am doing decimals and its estumating decimal prouducts can you help this is the question: 6.3 x 17.59
3 answers
asked by
krystal
329 views
2. Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was $1.26, and
1 answer
asked by
Nicole
427 views
Write three sentence using plurals correctly and three sentences using possessives correctly on the topic of how to store
2 answers
asked by
lorretta
560 views
follows first-order kinetics and has an activation energy of 244 kJ mol-1. At 684 K, k = 0.00000508 s-1. What is the half-life
1 answer
asked by
bobjahng2
483 views
How 70 J/sec is related to 54 J/m?
1 answer
asked by
sam
282 views
Balanced Chemical Equation:
1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H20(g) If you start with: 5.0 x 10^4g hydrazine (N2H4) "in the
2 answers
asked by
Roger
771 views
The thermodynamic equilibrium constant for the following reaction is 0.15 at 1227°C.
2 SO2(g) + O2(g) 2 SO3(g) Which is true?
2 answers
asked by
carla
838 views
Evaluate.
int_(pi)^(pi) (sin(x))^(3) (cos(x))^(3) dx
6 answers
asked by
sam
719 views
WHICH OF THE FOLLOWING CODES WOULD BE USED TO REPORT THE REPAIR OF ONE SUPERFICIAL 1-CM LACERATION, ONE SUPERFICIAL 3-CM
4 answers
asked by
JULIANNA
579 views
The force in newtons needed to stretch a certain spring x centimeters from its resting position is given by the function
4 answers
asked by
Donovan Henry
669 views
Evaluate the integral by interpreting it in terms of areas.
int_(0)^(9) (7/2x - 21)dx can someone please help me with this
4 answers
asked by
eddy
1,711 views
who, if anyone, is at fault when a 21 year old injuries his finger and request that an orthopedic doctor perform the surgery.
1 answer
asked by
lida
813 views
Balanced Chemical Equation:
1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H20(g) If you start with: 5.0 x 10^4g hydrazine (N2H4) "in the
5 answers
asked by
Roger
679 views
How would you go about listing all of the integer ratios? I would like to have the integers listed in ascending order by the
1 answer
asked by
Gray
1,140 views
A frictionless pulley with zero mass is attached to the ceiling, in a gravity field of 9.81 m/s2. Mass M2 = 0.15 kg is being
4 answers
asked by
lia
521 views
what are the answers to the 5th grade unit 1 test harcourt
13 answers
asked by
Destiny
142 views
which word did not originate from the word of the arts?
1. maudlin 2. martyr 3. character 4. colossal
1 answer
asked by
carl
438 views
An ideal gas (volume 1.1m3, pressure 103600 Pa, temperature 400 K) undergoes an isothermal process during which it absorbs 2000
1 answer
asked by
Nick
424 views
which word did not originate from military language?
1 pioneer 2 phrase 3 salary 4 trophy
2 answers
asked by
carl
885 views
A 2.00 kg block, on a horizontal surface with coefficient of static friction 0.900, is pushed by a force that is directed down
2 answers
asked by
Trace
588 views
if b is between a and c find the value of x and the measure of bc (ab=3x,bc=5x,ac=8)
1 answer
asked by
B
312 views
I am doing a project on echinoderm and one of the questions is asking about if they have a circulatory system. I have found
3 answers
asked by
peyton
303 views
the greek base heli- means:
1 self 2 stomach 3 sun 4 mind
3 answers
asked by
theresa
467 views
intermenttently what does this word mean
1 answer
asked by
ali
351 views
How personally responsible for increasing productivity?
6 answers
asked by
Anonymous
458 views
if you require an 11 percent return on your investment, how uch will you pay for the company's stock today?
1 answer
asked by
Romey
361 views
I need help finding 3 book sources and 2 other sources that criticize the poem Death be not proud by John Donne
2 answers
asked by
Danielle
531 views
Given the following equation: NH3 + NH3 +O2 �¨ NO + H2O
Calculate the number of grams of ammonia needed to form 40.12 moles of
4 answers
asked by
peter
522 views
the greek combining form -nomy means:
1.pertaining to. 2.act of. 3.rule by. 4.science of.
4 answers
asked by
theresa
601 views
Can you explain why these types of organizations have specific organizational cultures? Why does a high risk organization have a
2 answers
asked by
Anonymous
1,146 views
How can you figure out the melting point of a molecule such as CF4, KF, MgO, or CH3CN.
2 answers
asked by
Jacqueline
499 views
A 2 kg mass on a horizontal friction-free air track is accelerated by a string attached to a 115 kg mass hanging vertically from
2 answers
asked by
justin
715 views
which word or expression did not originate from the bible?
1.belfry 2.talent 3.scapegoat 4.the hand writing on the wall
1 answer
asked by
theresa
382 views
What is the sense of the word "starts" in the sentence below?
By doing this she starts something she did not know was going to
4 answers
asked by
ali
409 views
You want to start a company, and are trying to decide between two different industries. You are doing your final research before
2 answers
asked by
Joe Smith
621 views
Need help with these 3:
19. "¿Por qué te gusta estudiar?" "Pues, _______ me gusta la clase. a. por b. porque c. por qué d.
3 answers
asked by
mysterychicken
1,258 views
The post-war years witnessed a "freedom explosion" across the globe, especially in Asia and Africa. Why did several of these new
2 answers
asked by
i dont know how to
663 views
find the total area between the curve ( y= 4-x to the second power) and the x-axis over the interval [-3,7]
1 answer
asked by
martin
468 views
In lab, you use a special balloon that is permeable to water but not sucrose to make an "artificial cell". The balloon is filled
4 answers
asked by
Tracee
5,663 views
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