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Questions Asked on February 3, 2007

Nitric acid is produced commercially by the Ostwaldprocess, represented by the following equations: 4NH3(g) + 5O2(g) > 4NO(g) +
1. 1 answer
2. asked by Shawn
3. 1,671 views
One particle has a mass of 3.00*10-3 kg and a charge of +7.60 µC. A second particle has a mass of 6.00*10-3 kg and the same
1. 0 answers
2. asked by Ann
3. 1,483 views
What is the molar mass of KI(Potassium iodide)?Here is a site for all your molar mass calculations.
1. 0 answers
2. asked by Bryan
3. 1,404 views
27 divided by 105 = ?You'll end up with a percent or a fraction, not a whole number. (Broken Link Removed) from
1. 0 answers
2. asked by Koco123
3. 1,289 views
Hello again,I hope someone could help me out. I have to work on a paper that uses 2-3 scholarly sources. This is what i have to
1. 1 answer
2. asked by Kailin
3. 1,104 views
I have to present something that had to do with the years 1790-1865. Any ideas? Some examples were: powerpoint presentations,
1. 7 answers
2. asked by Anonymous
3. 880 views
A sample of a mixture containing only sodium chloride (NaCl) and potassium chloride (KCl) has a total mass of 4.000g. When this
1. 1 answer
2. asked by Steve
3. 865 views
the velocity of the wind would be:(42km/h)cos(30)=36.37 After flying for 15 min in a wind blowing 42 km/h at an angle of 30°
1. 0 answers
2. asked by Troyyyy
3. 857 views
When were US children required to go to school?The earliest compulsory education was in Massachusetts Colony in the 1640s.
1. 0 answers
2. asked by Fidelia
3. 843 views
Let's do 1 and 2 and go from there. I will get you started.Take a 100 g sample. That means we have 19.9% C = 19.9 g C 46.7% N =
1. 1 answer
2. asked by DrBob222
3. 794 views
A boy whirls a stone in a horizontal circle of radius 1.2 m and at height 2.0 m above ground level. The string breaks, and the
1. 0 answers
2. asked by Troyyyy
3. 766 views
clement is to clemency asA. agitate is to agitation B. governor is to prisoner C. nice is to kind Note the meanings and the
1. 0 answers
2. asked by Cassandra
3. 762 views
chef is to kitchen asA.blacksmith is to foundry B.teacher is to education C.pilot is to airplane A chef works in a kitchen and
1. 1 answer
2. asked by Cassandra
3. 753 views
hi can anyone helphow do i determine the molecular formular of the oxide of arsenic in its in its gaseous state the answer i got
1. 0 answers
2. asked by bex
3. 752 views
What are two units of measure for the energy obtained from macronutrients?Energy units. A BTU (British Thermal Unit) is the
1. 0 answers
2. asked by Kathlene
3. 749 views
I would be very thankful if you could correct my essay for grammar and spelling mistakes, thank you!Japanese music Lately I�fve
1. 0 answers
2. asked by Juliane
3. 748 views
Why and how is the handmaid's tale a realist text set in a fantasy world?Realist text? The major realist issues I see in that
1. 0 answers
2. asked by Jessie
3. 744 views
1. How much work is necessary to accelerate a bullet having a mass of 5.0 g to a velocity of 1000. m/sec?This was on a chemistry
1. 0 answers
2. asked by Jess
3. 727 views
I do apologize but I looked in the past post and i don't remember asking about this problem in math. But if i did then I do
1. 0 answers
2. asked by jasmine20
3. 725 views
3. Page 213 #18 6,-54. Page 222 #24 4x+3=4 5. Page 223 #54 The y intercept is -4 and the line whose equation is 2x+5=8 6. Page
1. 0 answers
2. asked by Tina
3. 723 views
hi i want to ask you what does a root do to help plants grow? and what does a leave do to help a plant grow? could you please
1. 0 answers
2. asked by jeniffer
3. 692 views
Heyy, I posted this before but it kinda got pushed down and ignored, and I was hoping maybe DrBob might have an idea since no
1. 0 answers
2. asked by Tracy
3. 689 views
Directions are: Perform the indicated division. Rationalize the denominator if necessary. Then simplify each radical expression.
1. 0 answers
2. asked by jasmine20
3. 686 views
Could someone please assist in this matter. I'm trying to ascertain the straight-line discount amortization of a problem which
1. 0 answers
2. asked by Danny
3. 686 views
I am having a hard time understanding recprocial with fractionsI would like to find a web site to help me understand this better
1. 0 answers
2. asked by tara
3. 683 views
Karmin wants to clean her house, finish her economics problem set, write her English essay, and spend time with her boyfriend.
1. 0 answers
2. asked by jenna
3. 682 views
Which statement is true?1.Setting is a backdrop that can be changed without affecting the plot. or 2.Good plot builds logically
1. 0 answers
2. asked by Karin
3. 681 views
A- On Dec .21, what is the noon sun angle for someone at 54 degree N lat.?B- In what horizon ( part of the sky using compass
1. 0 answers
2. asked by Bob
3. 669 views
is the following sentence true or false?To determine the number of representative particles in a compound, you count the
1. 0 answers
2. asked by Chris
3. 653 views
got another question for DrBob please?The composition of hydrogen selenide can be determined by heating tin (Sn) in a measured
1. 0 answers
2. asked by bertie
3. 644 views
could anyone tell me why the molecular formula of agas is not always the same as the empirical formulatnx It may be a dimer or a
1. 0 answers
2. asked by bex
3. 643 views
How do you work out the molecular formula?Generally you convert grams to mols, then find the ratio of the atoms to reach other.
1. 0 answers
2. asked by L0bster_quadrille
3. 642 views
i cant rember what a song was called i don't think its english and i think it was called every night or somthing and it had a
1. 0 answers
2. asked by lizzie
3. 626 views
What shapes are the most common for a road sign. Why is this shape used most often?http://www.trafficsign.us/signshape.html
1. 0 answers
2. asked by Melthea
3. 626 views
I don't understand, according to the periodic table at web elements;An isotope of Element 116 (292Uuh) was identified in the
1. 0 answers
2. asked by Shove
3. 592 views
I have just started grade 12 U Data Management, and i do not understand tree diagrams. I need help with the following question:
1. 1 answer
2. asked by Sara
3. 590 views
Mrs. Edwards read "Owl Moon" to her class. As she read, she paused fromtime to time to allow the children time to think about
1. 0 answers
2. asked by Karin
3. 589 views
hello jishka reply to me immediately wasn't that i told you i think this isnot a good website if i don't get the answerWhat kind
1. 0 answers
2. asked by jeniffer
3. 583 views
How or can someone set this up as an equation or what steps do i do?A garden area is 30ft long and 20ft wide. A path of uniform
1. 1 answer
2. asked by jasmine20
3. 549 views
Heyy, okay I have this question about chemistry and its driving me nuts. It feels like I am so close but am just missing
1. 0 answers
2. asked by Tracy
3. 546 views
A golfer hits a ball off the ground with an initial velocity of 200 ft/s at an angle of 23 degrees. The green is 750 feet away.
1. 0 answers
2. asked by Kyle
3. 533 views
Why does each time zone extend 7 1/2 degrees on each side of central meridian rather than extending from 0 degrees to 15 degree?
1. 0 answers
2. asked by matt
3. 528 views
hiii i needd help on this!!30.47cm^2=___________mm^2 and 187000 cm^2+ 3.45m^2=_____m^2+_____m^2=________m^2 30.47 cm² =
1. 0 answers
2. asked by Anonymous
3. 508 views
Is Isopropyl alcohol an acid or a base?neither
1. 0 answers
2. asked by Lisa
3. 491 views
Hi,Can someone please help??? looking for the empirical formula for Aliminium selenide if Se has a valency of -2 and aliminium
1. 0 answers
2. asked by bertie
3. 473 views

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