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2009
January
Questions Asked on
January 26, 2009
Solid zinc and aqueous hydrogen sulfate reacts to produce hydrogen gas and aqueous zinc sulfate
Is this the right answer Z(aq)+HS
1 answer
asked by
Lauren
5,207 views
Why is NO3 nonpolar but CIF3 is polar? I looked at the lewis structures, they look similar, but why is one opposite.
also, when
1 answer
asked by
Anonymous
5,073 views
Could you please check my answers thanks
1.What happens when the mother goes to the state capitol to give her speech? Answer:
16 answers
asked by
Remy
5,062 views
An airplane traveling 1001 m above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. What is
5 answers
asked by
Sophia
4,424 views
A pitched ball is hit by a batter at a 45-degree angle and just clears the outfield fence, 98 m away. If the fence is at the
2 answers
asked by
Sophia
3,488 views
How would i calculate the density of Li2S in grams per cubic centimeter?
I have to use the equation : density= mass/ volume: But
4 answers
asked by
Saira
3,377 views
Benzene has a heat of vaporization of 30.72kj/mol and a normal boiling point of 80.1 C . At what temperature does benzene boil
2 answers
asked by
Lost
2,314 views
Period 1 has 15 students in it and a test average of 86%. Period 2 has 21 students in it and an average of 88%. Period 3 has 12
2 answers
asked by
John
2,290 views
John's approval rating is an average based upon 4 categories. What is his overall weighted rating if the following is true?
Categ
1 answer
asked by
Sam
2,196 views
how do you write a chemical equation with this reaction? can u help me solve these
1.Liquid carbon disulfide reacts with oxygen
1 answer
asked by
Lauren
1,695 views
During an experiment that Paul and Dawn performed the stretch of a spring was directly proportional to the force applied to the
1 answer
asked by
Lily
1,650 views
um, i don't think it appears really well on my monitor (is it just mine or...) if you can't see it, could you please give me
2 answers
asked by
Jennifer
1,567 views
I have to write an essay about the poem "The word is too much with us" by william Wordsworth. I have to talk about content and
2 answers
asked by
Anonymous
1,524 views
CaCl2 ---> Ca2+ + 2 Cl-
i'm trying to figure out the van't hoff factor. i know i=3. But where did the 2 come from before Cl-.
1 answer
asked by
Anonymous
1,505 views
consider total cost and total revenue given in the table bellow:
quantity total cost total revenue 0 $8 0 1 $9 8 2 $10 16 3 $11
2 answers
asked by
sara
1,494 views
What is the volume of ammonia needed when reacting 5.0 moles of oxygen with excess nitrogen?
0 answers
asked by
gabriella
1,439 views
solve for H: V=LWH
1 answer
asked by
Simon
1,329 views
Josh and Mike live 13 miles apart. Yesterday Josh started to ride his bicycle toward Mike's house. When they met, Josh had
1 answer
asked by
Josh
1,319 views
Does anyone know how I can relate this quote too the real world ?
Quote : "Respect is being able to accept people as pergect
1 answer
asked by
Brooke
1,279 views
Alloys are harder and stronger than pure metals. I saw this sentence,
"Alloys make the metal harder by preventing the layers of
2 answers
asked by
janice
1,238 views
In the first application of
interferometric methods in radio astronomy, Australian astronomers observed the interference between
4 answers
asked by
Sam
1,236 views
How much heat (in kJ}) is required to vaporize it? (Assume a density of 1.00 g/mL )
I have this 60.0ML/ 1.00 g/ml = 60grams
1 answer
asked by
Creative9k
1,227 views
for every 8cds sold, there were 12 dvds sold. a combined total of 70 cds and dvds were sold. how many cds were sold that day?
1 answer
asked by
dawn
1,218 views
Metals above hydrogen in the reactivity series react with dilute hydrochloric acid or dilute sulphuric acid to give metal
1 answer
asked by
candy
1,213 views
Could someone tell me how to find the inverse of g(x)= x^2-5x-6
2 answers
asked by
Mae
1,204 views
An unknown was prepared with the concentration of 0.000520 M. A Beer's Law plot was prepared using the absorbance values from
1 answer
asked by
bon
1,130 views
Simplify completely: -3(4-9)+6-2(-8+5)
1 answer
asked by
kara
1,094 views
How do you make that a matrix in the form of
[1 0 A] [0 1 B] ? I have a system, but i missed the lessons on all that matrix
0 answers
asked by
Casey
1,089 views
A small plastic ball of mass 6.30 10-3 kg and charge +0.150 µC is suspended from an insulating thread and hangs between the
0 answers
asked by
Z
1,083 views
The 38th parallel is associated with what war?
I'm just confused is it Korean ????
2 answers
asked by
kool
1,040 views
How much heat (in kJ}) is required to vaporize it? (Assume a density of 1.00 g/mL )
I have this 60.0ML/ 1.00 g/ml = 60grams
1 answer
asked by
Creative9k
1,027 views
Could someone please check these ASAP!
1. What story does the poem tell in the first three stanzas? Answer: The story that the
3 answers
asked by
Remy
1,021 views
An equilateral triangle has sides of 0.17 m. Charges of -9.0, +8.0, and +2.2 µC are located at the corners of the triangle.
3 answers
asked by
Z
994 views
Hi, I'm looking at my book and I can't see how they've gotten this answer:
The last bit: -11/20y=-3 Their answer is y=60/11 How
8 answers
asked by
Kat
982 views
Hi i am writing a response paper for "Cathedral" by Raymond Carver. Im not sure but is this a proper thesis statement.
In the
1 answer
asked by
Jake
965 views
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
1 answer
asked by
leah
872 views
1) Metals that are above hydrogen in the reactivity series react with dilute hydrochloric acid to produce hydrogen gas. Lead is
2 answers
asked by
candy
858 views
Part 1: Measure the distance of the diagonal (from one corner to the opposite corner) of the screen on your computer monitor to
0 answers
asked by
Nicole
840 views
write the following chemical equation for this equation In water,iron (III) chlroide reacts with sodium hydroxide, producing
1 answer
asked by
Ashley
827 views
I was charged with a violation of the code of conduct at my University and I am not guilty. I need to write a great letter of
2 answers
asked by
Kay
815 views
Hi. We did an experiment on Quantitatve Determintion of Total Hardness in Drinking water by Complexometric EDTA Titration and I
2 answers
asked by
jed
814 views
1) Solve the following by factoring:
a) Answer: Show your work here: b) Answer: Show your work here: 2) If , find a) f(2) Answer:
1 answer
asked by
Nicole
802 views
These are the problems I am having trouble with.
1.The first step of the synthesis is described by the reaction below. When 1.750
2 answers
asked by
Thanh
789 views
What similarities are between the grandmothers in The Courage That My Mother Had, and Lineage. I read the poem but I'm not so
4 answers
asked by
Kisha
772 views
What are the similarities and differences between functions and linear equations? Are all linear equations functions? Is their a
2 answers
asked by
tera
769 views
write a word problem involving the number of pages in a book. then write the numerical expression that you would need to use to
3 answers
asked by
michelle
762 views
On preparation of a solution of protein, you attempted to dissolve the substance in water, but a suspension resulted. Drop-wise
1 answer
asked by
Andrew
759 views
-Why do most atoms form chemical bonds?
-What is the purpose of control in an experiment?
2 answers
asked by
Jenny
748 views
Rebecca is a chef at Denny's Deli. She wants to try a new recipe, Sweet Potato Salad with Orange-Maple Dressing. The receipe,
2 answers
asked by
Briana
737 views
My task is to research the application of centrifuges for medical, forensic, and industrial purposes, and for testing and
2 answers
asked by
almutasem
734 views
i have to choose two amendments from the Bill of Rights. then make the case for passage of them.
i chose.8th Amendment-protects
3 answers
asked by
y912f
724 views
Okay i just wanna know what you think is the easiest between substitution and elimination/combination. I hate elimaination
2 answers
asked by
<3Medic+Droid<3
711 views
WE are learning the subjunctive and we have a worksheet where we put the right tense of the word in parentheses in the blank.
1 answer
asked by
Deanna
705 views
There are seven red, five blue, and eight white chips in a bag. What is the probability of pull out a blue or white and then
1 answer
asked by
John
697 views
Part 1:
Using the Library, web resources, and/or other materials, find the average weight in pounds of a type of bird of your
1 answer
asked by
Nicole
695 views
On preparation of a solution of protein, you attempted to dissolve the substance in water, but a suspension resulted. Drop-wise
2 answers
asked by
Andrew
689 views
Technological change often stimulates economic activity, suck as the factories that grew out of the Industrial Revolution. Think
14 answers
asked by
beeca
681 views
For my english assignment i need to write a story about George and the Dragon. please could someone help me find a website that
1 answer
asked by
Dreamer
676 views
Solve
3x +1 < 5 or 3x +1 > 4 By saying "solve," is it asking for me to show it on a line and in interval notation? Here's
1 answer
asked by
Harper
674 views
A rocket is launched straight up with constant acceleration. Four seconds after liftoff, a bolt falls off the side of the
1 answer
asked by
Michael
673 views
journal entry of subordinate group member
4 answers
asked by
ann
657 views
if i had a beaker with .0001M of Cu solution and copper solid (anode) and another beaker with 1M Cu solution and Cu solid
1 answer
asked by
sarah
655 views
Can anyone help me on these two problems also. I am getting so confused and tired.
The length of a rectangle is fixed at 27cm.
2 answers
asked by
Kim
653 views
Find the slope of the line containing the two points (1,-1) and (-5,-3).
1 answer
asked by
Abbey
653 views
hi this is a question for my lab.
explain why the addition of bromine to trans-cinnamic acid takes place more slowly than the
2 answers
asked by
steve
652 views
How do you calculate the mass and volume of an irregular solid object and calculate the density of that object?
2 answers
asked by
Alex
649 views
what is the unit rate of 4/12
2 answers
asked by
keyon
649 views
What is the difference between a domain and a range? Describe a real life situation that could be modeled by a function.
1 answer
asked by
tera
640 views
I posted this up yesterday:
I have to use the equation : density= mass/ volume: But i don't know how to find out the volume using
4 answers
asked by
Saira
639 views
I have a similar problem to <3Medic+Droid<3's one about corn dogs and burritos for his(or hers) Algebra Answer Check thingy. So
6 answers
asked by
Victim of Stupidity
635 views
Solve this system of equations. 3x+y+60=180 5y-5+2x=180
1 answer
asked by
Jen
633 views
I am a bit confused about vertical asympotes. These two examples show different ways of getting asympotes. If I was to follow
2 answers
asked by
Gina
628 views
I am confused on what statistic test I should perform. I think it should be the t-test, which I have provided below. If the
1 answer
asked by
mchawk
615 views
I need help really quick unscrambling this word!!!
AAAATTTLIIRRONNME Its two words and its the name of a mall. the first words
1 answer
asked by
lily jay
614 views
4a-2 (less than or equal to) a + 1 (less than or equal to) 3a + 4
I'm assuming I should put this on a line, like I did with some
2 answers
asked by
Harper
613 views
I had to find some definitions for geography. I know the french isn't good...but i'll correct that. My definitions aren't very
1 answer
asked by
Anonymous
595 views
manipulate the following equation to solve for t: s=1/2a t^2.
1 answer
asked by
Heather
587 views
Write the equation of the circle with center (-2,-3) and tangent to the line 2x+5y=10.
1 answer
asked by
Hannah
586 views
How many prime numbers are between 0-50?
Prime Number= Only has factors of 1 and it's self. For example. 3, it has 3 and one for
1 answer
asked by
Liley
584 views
I need help unscrambling this word!!!!
AAAATTTLIIRRONNME its two words and its a name of a mall!
2 answers
asked by
lily
583 views
What is the % transmittance for each of these errors
Washing a cuvette with DI water, then failing to rinse it with the solution
1 answer
asked by
leah
582 views
1. (3�ã6 * 4�ã6)^12
Answer :6^7 2. 3�ã9 * 3�ã6 / 6�ã2 * 6�ã4 Answer: 3 Can you guys show me how to work those? I got
3 answers
asked by
Chopsticks
581 views
Hi i am writing a response paper for "Cathedral" by Raymond Carver. Im not sure but is this a proper thesis statement.
In the
1 answer
asked by
Jake
580 views
is carbon dioxide an example of ion-dipole force?
I say no, because it is nonpolar since ion-dipole force is an attraction
1 answer
asked by
Anonymous
579 views
Part 1: What is the formula for the volume of a rectangular solid? Find an object in your residence that has the shape of a
0 answers
asked by
Nicole
576 views
Perform the indicated operation. 11-6 /7-7
what the answer my answer is 5/7 is that right. Add-26+(-29). I said 55 is the answer
6 answers
asked by
Johnnie
573 views
This is my next paragraph after the intro and consists of the summary.
1) Is the last line of my paragraph necessary? Does it
2 answers
asked by
Anonymous
571 views
For each of the following expressions, show each step a student would folow to mentally perform the calculations in the whole
1 answer
asked by
lalone
570 views
I have tried and struggled I really need osme help. I have an A average and this is the second time I am taking this course I
1 answer
asked by
Nicole
563 views
why do you think some stalactites grow without a stalagmite below them, or some stalagmites grow without a stalactite above
2 answers
asked by
Bianca
561 views
I had to find some definitions for geography. I know the french isn't good...but i'll correct that. My definitions aren't very
2 answers
asked by
Anonymous
559 views
what was the reason for l.p. ray building the dust pan?
2 answers
asked by
yamilex
554 views
I have a question about that poem
It's where it said read this writeteacher
1 answer
asked by
Kisha
553 views
2/the 6th root of 81
the answer gave an answer of "2 3rd root of 3/3" sorry i didn't type the root signs, i dunno how. can you
2 answers
asked by
Chopsticks
548 views
What does "the salt of truth" mean and where did the phrase come from?
2 answers
asked by
syd
534 views
What does "the salt of truth" mean and where did it come from?
4 answers
asked by
syd
534 views
What is the name of the large gulf on the northern coast of australia?
please please help
2 answers
asked by
elenny#1T0090
534 views
In the Periodic Table,there are some elements such as Pm (Promethium) and Cm(Curium) that do not have any relative atomic mass.
1 answer
asked by
janice
530 views
I have a couple of problems that i am stuck on. They are word problem.
1 Soybean meal is 12% protien; cornmeal is 6% protien. How
0 answers
asked by
Kim
530 views
Help, how do I do these?
1. 8y+4(2+y)=3(y-4)+10y 2. Square root symbol 81 -|-8+17|+3 the sqaure root symbol doesn't hang over the
1 answer
asked by
K
527 views
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