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Questions Asked on November 7, 2007

Explain the production of an emission spectrum in terms of the energy states of an electron.what does that mean someone help me
1. 2 answers
2. asked by John
3. 4,773 views
a 1.0 kg sample of metal with a specific heat of 0.50KJ/kgCis heated to 100.0C and then placed in a 50.0g sample of water at
1. 3 answers
2. asked by nate
3. 4,720 views
A lever is 5m long. The distance from fulcrum to the weight to be lifted is 1m. If the worker pushes on the opposite end with
1. 2 answers
2. asked by Andrea
3. 3,737 views
A small block on a frictionless horizontal surface has a mass of 2.50×10−2 Kg. It is attached to a massless cord passing
1. 3 answers
2. asked by Christina
3. 3,158 views
Which trends are observed when the elements in Period 3 on the Periodic Table are considered in order of increasing atomic
1. 5 answers
2. asked by John
3. 3,068 views
what is transition metal number 24a common solid halogen family 13 bears this name
1. 3 answers
2. asked by liz
3. 2,434 views
Which substance can not be decomposed by ordinary chemical means? how?1. methane 2. mercury 3. ethanol 4. ammonia
1. 5 answers
2. asked by John
3. 2,347 views
Copper metal reacts with concentrated nitric acid according to the following balanced equation:3Cu(s) + 8HNO3(aq) �¨
1. 2 answers
2. asked by Hector
3. 1,967 views
A solid cylinder (radius = 0.150 m, height = 0.120 m) has a mass of 7.00 kg. This cylinder is floating in water. Then oil ( =
1. 1 answer
2. asked by mark
3. 1,894 views
complete the sentences with the correct demonstrative adjectives - I answered below the questions are my answers correct?______(
1. 2 answers
2. asked by sam
3. 1,842 views
A 9 kg lead brick falls from a height of 1.8 m. a) Find the momentum as it reaches the ground. b) What impulse is needed to
1. 3 answers
2. asked by Jayd
3. 1,817 views
Six cards-ace, king, queen of hearts; ace, king of diamonds; and king of clubs-are all placed face down a table. One card is to
1. 3 answers
2. asked by Anonymous
3. 1,769 views
The bond energy of the O2 molecule is 495.a) calculate the minimum frequency and max wavelength of light required to break this
1. 1 answer
2. asked by Karen
3. 1,751 views
Two slabs with parallel faces are made from different types of glass. A ray of light travels through air and enters each slab at
1. 2 answers
2. asked by Mary
3. 1,702 views
Find the mass of the triangular region with vertices (0, 0), (2, 0), and (0, 1), with density function p( x, y ) = x^2 + y^2.Im
1. 1 answer
2. asked by Michael
3. 1,630 views
List 5 or more types of driving tools.
1. 3 answers
2. asked by Navin.
3. 1,594 views
What effect did the entry of the United States into WWI have on the war? Why?
1. 1 answer
2. asked by Christian
3. 1,481 views
Which is the greater fraction? 2/7, 4/7 or 6/7 and how do you figure this out?
1. 2 answers
2. asked by alyson
3. 1,458 views
Abey Numkena is an interior designer. She has been asked to locate an oriental rug for a new corporate office. As a rule, the
1. 1 answer
2. asked by Ashley V
3. 1,440 views
"the total angular momentum of an object changes when a net external force acts on the system." This statement is:a)always true
1. 1 answer
2. asked by Andrea
3. 1,386 views
How did The Canterbury Tales (by Geoffrey Chaucer) change the English language?I know it was very successful in Europe and
1. 0 answers
2. asked by Lucy
3. 1,373 views
a) Define Table appointmentB) Reason for setting a table C)Explain the uses and importance of different table appointment d)
1. 4 answers
2. asked by Melon
3. 1,326 views
The outstretched hands and arms of a figure skater preparing for a spin can be considered a slender rod pivoting about an axis
1. 1 answer
2. asked by Christina
3. 1,307 views
complete the sentences with the correct demonstrative adjectives - I answered below the questions______(that) camisa del algodon
1. 1 answer
2. asked by sam
3. 1,290 views
1. Water is a polar molecule. Therefore, it acts as a polar sollvent.a) Think about the following compounds: iodine, cobalt (II)
1. 6 answers
2. asked by Marty
3. 1,286 views
During act 1- scene 2 in julius caesar Brutus begins to consider a mighty ambition...What is it and why could it be dangerous
1. 1 answer
2. asked by Jennifer
3. 1,233 views
Never found in nature uncombined?Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family
1. 1 answer
2. asked by liz
3. 1,216 views
BadmintonSpecific Purpose: To inform my audience about the laws of the game, equipment, and badminton strokes.
1. 1 answer
2. asked by shylo
3. 1,204 views
when combing you hair you scuff electrons from your hair onto the comb.is your hair then positively or negativley charged?How
1. 2 answers
2. asked by Soly
3. 1,198 views
Perry organized Cardinal Corporation 10 years ago by contributing property worth $2 million, basis of $450,000 for 2,500 shares
1. 2 answers
2. asked by Angela
3. 1,185 views
flourine is a halogenis it also a non-metal
1. 1 answer
2. asked by liz
3. 1,181 views
why was the supreme court case Marbury vs. Madison important?
1. 1 answer
2. asked by mimi
3. 1,170 views
in what position can a current-carrying loop of wire be located in a magnetic field so that it doesn't tend to rotate?-I think
1. 2 answers
2. asked by Soly
3. 1,161 views
Select one of the essays from the Examples of Effective Introductions section in Effective Introductions and Conclusions. Which
1. 1 answer
2. asked by jenny nguyen
3. 1,155 views
what are 2 essential roles that enzymes play in cells?
1. 1 answer
2. asked by Stacy
3. 1,091 views
A horizontal segment of pipe tapers from a cross sectional area of 50 cm2 to 0.5 cm2. The pressure at the larger end of the pipe
1. 2 answers
2. asked by Dante
3. 1,091 views
Square roots. Woohoo. Want to check some work I did.1. Perform indicated operations 3sqrt[3]+2sqrt[27]-sqrt[12]
1. 2 answers
2. asked by John
3. 1,088 views
I'm writing a paper on comparing and contrasting the emotional characteristics of Elizabeth from Pride and Prejudice and Jane
1. 2 answers
2. asked by Angela
3. 1,070 views
How would you ask how much the following items cost.Model that tie Cuanto cuesta esa corbata? 1. these socks answer: Cuanto
1. 1 answer
2. asked by sam
3. 1,070 views
The soccer goal is 23.05 m in front of a soccer player. She kicks the ball giving it a speed of 17.97 m/s at an angle of 25.83
1. 1 answer
2. asked by Lindsay
3. 1,050 views
What is the male & female part of a plant?
1. 1 answer
2. asked by cmt
3. 1,028 views
wat iz "hola" in spanish
1. 1 answer
2. asked by smart guy
3. 1,020 views
what are the horizontal components and vertical components of a cat's displacement when its climbing 5m directly up a tree.I
1. 1 answer
2. asked by thu
3. 1,007 views
HiI have 4 work sheets to do tonight I do not get home home until about 6pm what time are you on.
1. 1 answer
2. asked by sam
3. 1,004 views
When 21.29 g of element A react completely with 58.37 g of E, compound A2E is formed. When 5.41 g of A react with 32.36 g of G,
1. 2 answers
2. asked by confused student..
3. 999 views
1 last square root :Rationalize the denominator 5/sqrt[3]+sqrt[5]= 5*sqrt[3]-sqrt[5]/ sqrt[3]sqrt5[5]*sqrt[3]-sqrt[5]=
1. 0 answers
2. asked by John
3. 986 views
Substition reactions in Alkyl Halides. If it is a secondary carbocation I know it can be SN1 or SN2 and the solvent used can
1. 0 answers
2. asked by AMY
3. 984 views
which must be a mixture of substances? 1. solid2. liquid 3. gas 4. solution
1. 2 answers
2. asked by John
3. 938 views
a 5.00g sample of Al pellets (specific heat=0.89J/oC*g) and a 10.00g sample of Fe pellets (specific heat=0.45J/oC*g) are heated
1. 3 answers
2. asked by Rebekah
3. 898 views
calculate the energy requiered to raise the temp of 1.0 mol Ag by 1.0 degrees celsius (molar heat capacity of silver)answer in
1. 1 answer
2. asked by Avonlea
3. 896 views
Never found in nature uncombined?Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family
1. 1 answer
2. asked by liz
3. 848 views
A passenger plane and a jest leave at the same time from the same airport, traveling in opposite directions. The jet travels at
1. 1 answer
2. asked by gf
3. 826 views
thanksis it - Los flores cuestan dieciocho dolares. we are suppose to use one of the 4 phrases to answe the 6 questions could
1. 1 answer
2. asked by sam
3. 825 views
Topic: Air PollutionWho is creating the most and polluting the most?
1. 1 answer
2. asked by Jay
3. 815 views
Please check my answers:why does an iron core increase the magnetic iduction of a coil of wire? -I am thinking it has something
1. 1 answer
2. asked by Soly
3. 773 views
do not noramlly react with other elements?Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen
1. 1 answer
2. asked by liz
3. 767 views
What was the bicameral legislature exactly?
1. 2 answers
2. asked by Aleah
3. 764 views
Hey, I am having a real hard time getting the answers to the problems. Any help would be greatly aprreciated!1. When 11 mL of a
1. 1 answer
2. asked by chelsea
3. 751 views
A glass ball, ball A, of mass 6.0 g moves at a velocity of 19.0 cm/s. It collides with a second ball, ball B, of mass 9.0 g,
1. 4 answers
2. asked by Jessica
3. 749 views
please check my answers and help me with the first one.how can you charge an object negatively with only the help of a
1. 1 answer
2. asked by Soly
3. 744 views
Please help me with these problems. Work and answer is appreciated! :) thanks.1. Find on the interval theta is greater than or
1. 2 answers
2. asked by gf
3. 744 views
What would be the uncertainty in velocity (miles/hr) of a neutron beam particle if the position can be measured within +/- 25
1. 2 answers
2. asked by Jacob
3. 742 views
I have a few questions that I am not too sure of.why is it inadvisable to make a horseshoe magnet from a flexible material? -is
1. 2 answers
2. asked by Soly
3. 733 views
calculate the energy required to raise the temp. of 170.0 g of silver (specific heat = .24 joules/celsius times grams) from 273K
1. 1 answer
2. asked by Avonlea
3. 729 views
A card is to be chosen at random from a shuffled deck. Find the probability that the card drawn isa)the queen of clubs, given
1. 1 answer
2. asked by Anonymous
3. 723 views
A paperweight, when weighed in air, has a weight of W = 7.5 N. When completely immersed in water, however, it has a weight of
1. 1 answer
2. asked by pete
3. 723 views
are alkali metalsor alkaline earth metals soft silver - white, shiny metals
1. 1 answer
2. asked by liz
3. 723 views
Does In Cold Blood by Truman Capote have a protagonist? is it Herb Clutter, Dewey, or Perry? If so, does that make it a creative
1. 1 answer
2. asked by Joe
3. 719 views
I am not thinking straight anymore and this is due by 9:00pm. My brain feels a little fried at this point. I have been at it all
1. 1 answer
2. asked by Mary
3. 700 views
What are GMO's? Are they safe for all age groups? Why or why not? Please explain in detail.
1. 4 answers
2. asked by In need of help
3. 696 views
On the balance sheet it states that bonds payable is $32,000 and Discount on bonds payable is $2000. When it says that the
1. 0 answers
2. asked by Fred
3. 696 views
last one, i PROMISEA compound containing only C, H, O and Cr was subjected to combustion analysis. A sample of 10.88 mg produced
1. 3 answers
2. asked by confused student..
3. 678 views
alexander had some nickles in his bank. he added 3 dimes to the bank and then he had 85 cents.how many nickles did he have left?
1. 1 answer
2. asked by hanna
3. 663 views
example:botas/parda/botas negras answer: No me gustan estas botas pardas. Prefiero esas botas negras. Please review my answers
1. 1 answer
2. asked by sam
3. 649 views
Can you give me a good website on the topic, slope fields and differential equations? I need to match six slope fields with the
1. 1 answer
2. asked by Anonymous
3. 637 views
Viruses reach networks by requests for communication that are identified as packets. A security system can detect them if at
1. 1 answer
2. asked by Jason
3. 606 views
how would i apply the princple of privacy to charles darwin and his reluctance to publish his results on natural selection?(prin
1. 3 answers
2. asked by Student who hates philosophy
3. 606 views
Can someone explain what is currently going on in Israel today and their relationship with the Palestinians?
1. 5 answers
2. asked by kelly
3. 604 views
J'aime porte de pantalon.Why is "de" used? I remember my teacher saying something about there are two verbs, is that why? But I
1. 3 answers
2. asked by Miche
3. 603 views
Im doing math homework and having some trouble. Its called "Graphing equations", and this one is hard.It says 2x-y=7 and then I
1. 1 answer
2. asked by Taylor
3. 599 views
Why are employees viewed as adding value to market capitalization
1. 1 answer
2. asked by Stacy
3. 583 views
I have the trigonometric equations:y=3+2sec(pi/8)(x-3) y=12+4cot(pi/6)(x-1) y=3+7csc(pi/4)(x-1) how do I make these into sine,
1. 1 answer
2. asked by kenny
3. 579 views
if 15 counters are the whole set, how many are 3/5 of the set?
1. 3 answers
2. asked by Eric
3. 558 views
name 2 fact families that have only 2 equations
1. 1 answer
2. asked by john
3. 556 views
how do i multiply and divide fractions with negitive numbers?
1. 2 answers
2. asked by EVANGELINA
3. 556 views
Solve 2x^2=3x+2 by graphing. If exact roots can't be found, state the consecutive integers between which the roots are located.C
1. 1 answer
2. asked by Chels
3. 554 views
During a recent telethon, people pledged $25 or $50. Twice as many people pledged $25 as $50. Altogether, $18,000 was pledged.
1. 2 answers
2. asked by jan
3. 554 views
Hi - free period - I hope to haev it completed by 7:00 pm tonight it takes me some time to type the questions nad my answers.
1. 1 answer
2. asked by sam
3. 553 views
There are 48 small gift bags. Each bag can hold 1 toy and 6 stickers. If an equal number of stickers are put in each bag, how
1. 1 answer
2. asked by corey
3. 551 views
Is there a website that gives rules for suffix's? i.e. drop the "e" and add "ing"... I am trying to help my son finish a
1. 1 answer
2. asked by Diane
3. 551 views
Jackies kitten is stuck on the window sill of her neighbors house. The window is 2.8m above the ground. The base of the ladder
1. 1 answer
2. asked by riley
3. 550 views
What is the best wat to write a personal narrative
1. 5 answers
2. asked by Brian
3. 549 views
Trying find the critical numbers for X^3+X^2-8xBut i cant remember how to simplfy the derivitive of 3X^2+2X-8 can someone help
1. 0 answers
2. asked by dustin
3. 546 views
How can a metamorphic rock change into another type of metamorphic rock?
1. 1 answer
2. asked by Camron
3. 545 views
The topic is waste minimization.One of the questions that i need information on is this: How bad is it locally (USA)? In case
1. 3 answers
2. asked by Plez Help!:"(
3. 543 views
Do tariffs encourage Americans to buy U.S.-made products because doing so is patriotic?
1. 2 answers
2. asked by Susie
3. 541 views
HOW SERIOUS ARE THE CURRENT CLAIMS OF "JUDICIAL ACTIVISM" AND THAT UNELECTED JUDGES ARE MAKING LAWS? EXAMINE THE CLAIMS THAT
1. 0 answers
2. asked by i need help
3. 535 views
Do Tariffs help us to maintain a favorable balance of trade and balance of payments. Please explain deeply.
1. 3 answers
2. asked by In need of help
3. 532 views
Tariffs protect American jobs and wages. Is this valid or invalid? Justify your answer.
1. 3 answers
2. asked by Susie
3. 530 views
Do Tariffs help us to maintain a favorable balance of trade and balance of payments. Please explain deeply.
1. 1 answer
2. asked by Desperately in need
3. 527 views

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