Questions Asked on
January 30, 2008

science
In a mixture of hydrogen and oxygen gases at the same temperature, which molecules move faster? Why?
asked by Ashton 
math
Express 39% as a decimal.
asked by gina 
Physics
Two charges (+4C and 3C)are separated by .00002m. What is the electrostatic force and its direction? Using Coulomb's law, I arrived at 2.696 x 10^20 J. Would the direction be said to be "towards the positive charge"? Is this correct? Thanks
asked by Riley 
grammar..subjects and predicates
Subjects and Predicates: Copy each sentence. Draw a line between the complete subject and the complete predicate. Underline the simple subject once and underline the simple predicate twice. 1. Edgar Allan Poe lived a double life in many ways. CS:Edgar
asked by Anonymous 
statistics
How do I sketch distributions? I think I'm doing it wrong. Is there an option my friends statscalc(her calcultor is very tempremental, so i don't know if it'll work) I can utiilzie that'll sketch things for me? thanks. Sketch a normal distribution with
asked by Gloria 
Hum
What is the nature of god for Hinduism?
asked by RENE' 
Chemistry
Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) >
asked by Avery 
math
One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.
asked by carly 
TO ALL STUDENTS
Please do not post personal information anywhere on the Internet  not your name, your email address, where you live, where you go to school, or anything. It's just not a smart or safe thing to do online. Be safe out there. =)
asked by Writeacher 
Physics
A paralle plate air capacitor has a capacitance of 500.0 pF and a charge of magnitude 0.200 uC on each plate. The plates are 0.6 mm apart. (a) What is the potenetial difference between the plates? (b) What is the area of each plate? (c) What is the
asked by J 
trigonometry
The formula log(w) = 2.866 + 2.722log(h) estimates the "average" weight w in pounds of a girl h inches tall. To the nearest tenth of a pound, estimate the "average" weight of a girl who is 47 inches tall.
asked by anonymous 
statistics
sample a recent study reports that older adults who got regular physical exercise experienced fewer symptoms of depression, even when tested 2 years late. regular excersize scores= 1,3,4,3,5,2,3,4 no regular excersize scores=5,4,6,3,5,7,6,6 a)calculate
asked by Byron 
social studies
describe the effects of this convergence on the level of connectivity between places?
asked by pooh 
spelling
I need the answer to this analogy broom : sweep :: brush : the word has to begin with scr, spr, str or thr
asked by Brandon 
accounting
Andy Wright, D.D.S., opened a dental practice on January 1, 2008. During the first month of operations the following transactions occurred. Performed services for patients who had dental plan insurance. At January 31, $875 of such services was earned but
asked by Ben 
Economics
How does increasing or decreasing the quantity of capital goods produced this period affect next period's production possibilities curve and why? The only thing I can think of is that if more products are produced this period, less can be produced next
asked by Britt 
english
I can't put this sentence together and have it sound right. Any suggestions? Women have contributed much to American culture of great value. or Women have contributed much of great value to American culture. HELP!
asked by dede 
physics
An electron and a proton are initially very far apart (effectively an infinite distance apart). They are then brought together to form a hydrogen atom, in which the electron orbits the proton at an average distance of 5.11 1011m. What is EPEfinal 
asked by rick 
physics
A car battery has a rating of 200 ampere·hours (A·h). This rating is one indication of the total charge that the battery can provide to a circuit before failing. What is the total charge (in coulombs) that this battery can provide? Determine the maximum
asked by rick 
CHEMISTRY
if insulin has 6 cysteines, how many millimoles of IAA would be consumed in a blocking reaction containing 10 mmol of reduced insulin? mass of cysteine  121 g/mol.
asked by emi 
physics
Suppose that you are able to decompose water into hydrogen gas and oxygen ga and that ou can capture all of these gases that are produced. knowing that the mass of an oxygen atom is 8 times that of a hydrogen atom, describe how you could determine which of
asked by Brittney Price 
French
Can anyone explain la concordance des temps when your first verbs are passe compose, imparfait and plusqueparfait?
asked by Alex 
Chemistry
Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) >
asked by Avery 
Economics
How does increasing or decreasing the quantity of capital goods produced this period affect next period's production possibilities curve and why? The only thing I can think of is that if more products are produced this period, less can be produced next
asked by Britt 
AP US History
Between New Nationlism and New Freedom which is the most realistic response to industrialization? Why?
asked by Amanda 
factoring
Question: 30x^3 + 18x^2  5x  3 My Answer: 6x^2(5x+3)(5x3) Is that right. If not can you please correct my answer and tell me what to do! Thanks :)
asked by Miley 
Genetics
Hi can anyone help me answer these questions? I think I may have the right answer but not too sure, just want to make sure. And also could you please show how to draw these as I'm not sure my drawing is not done correctly. Thankyou! Using the forkedline
asked by GenMan 
Black History
Who was linda brown? and what happened during her case called Brown vs. board of education
asked by Lauryn 
factor
can someone please explain to me how to factor by grouping!
asked by Miley 
Physics
(a) If you use two quarters 2.00 mm apart to make a parallel plate capacitor, what is its capacitance? Measure the necessary quantities. (b) If you connect your capacitor in part (a) across 12 V potential difference, how much excess charge will flow onto
asked by J 
Chemistry
how do Al and Cl ionically bond with each other? I think its AlCl3 am i right?
asked by AnnaMarie 
algebra
ax+x
asked by Anonymous 
French
When using verbes de perception ou de sensation like regarder, ecouter, etc. How do we conjugate them? I know that the other verb should be in l'infinitif. Do we just write it (regarder etc) in present?
asked by Alex 
chemistry
I am enrolled in analytical chemistry after a 4 year break from any chemistry. I was recently given a problem set and I need some help on the following: A 0.899g sample containing epsom salt, MgSO4 & 7 H2O, and other nonhydrated materials was dehydrated
asked by Kenneth 
Physics
Find the instantaneous velocity of a mass on a spring oscillating on a horizontal frictionless surface at the instant when its displacement is half of its maximum displacement x=(x_max/2). Assume the max velocity of that mass during each oscillation is
asked by Andrea 
algebra 1
graph the system of linear inequalities x+y2 please solve asap
asked by shay 
Math
Can i please get your help on fractions and i am in the 7 th grade
asked by Derricka 
CHEMISTRY
I'm in the same class as Catie, and we're working on the same lab; however, i chose a different approach. here's what i have below, your help is much appreciated. so i have X= g AgNO3 0.953x = Ba(NO3)2 therefore .953XNO3=? so far I caluclated the % of
asked by Jake 
math
I always thought I understood significant figures...until I attempted to tutor someone. Some of the rules seem counterintuitive. For instance... 10.070 why is it 5 sig fig's? the "0" on the right is useless. without it the # holds the same value. 20 Why is
asked by Charles 
Physics
A mass m=.5kg on a spring with a spring constant. It is displaced by the distance x_max =20cm (.2m) from equilibrium on a frictionless horizontal surface. At the time t=0s the mass is released and it begins to oscillate. Assume that T=3.14s. Find the
asked by Andrea 
CALC
I was given a decreasing concave down graph of the integral F(x) from 08. i have to say whether the following are greater then, less then,equal to, or unable to determine each other 1. T (greater then) M 2. T (greater then) R 3. M (less then) S 4. S ?
asked by sarah 
physics
What is the purpose of a layer or copper or aluminum on the bottom of stainless steel cookware? All objects continuously emit radiant energy. Why then doesn't the temperature of all objects continuously decrease? All objects continuously absorb energy from
asked by Emily 
Physic
What determines whether an object is a net emitter or a net absorber of radiant energy? Wood is a better insulator than glass. Yet fiberglass is commonly used as an insulator in wooden buildings. Explain.
asked by Paige 
science
What charge exists on a test charge that experiences a force of 2.2 108 N at a point where the electric field intensity is 1.0 104 N/C? what formula do i use??
asked by natasha 
scientist
how do suttan's observations about chromosome number support the chromosome theory of inheritance?
asked by Jazel 
Database Management
your projects should contain the following: 1. write a prosa text for a domain of your own (maximum 1 A4 sheet of paper) 2. model this text in form of an EER diagram or UML class diagram 3. create a SQL script for building all tables and constraints to
asked by Anonymous 
Biochem
Assuming that the value of the equilibrium constant for the aldolase reaction Keq=6.43*10^5 at pH=7 a.) What will be the equilibrium concentration of dihydroxyacetone phosphate (DHAP) if 1 mM of fructose1,6biphosphate is added to a buffered solution
asked by Obert 
science
The electric field in the atmosphere is about 140 N/C, downward. (b) Find the electric force on a proton with charge +1.6 1019 C. formula please??
asked by natasha 
physics
When a hot object is placed in contact with a cooler object, the hot object warms the cooler one. Can you say it loses as much temperature as the cooler one gains? Defend your answer.
asked by HELP! 
calculus
if dy/dx= (1+lnx)y and if y=1 when x=1, then y=
asked by an 
algebra
What is the common denominator? 3 2  +  1 a1  4 3    1 a+1
asked by bb 
english
Do I capitalize French fries as in ...I served french fires on china plates to the ladies.
asked by dede 
READING
HI,I JUST WAN6TED TO KNOW.WHAT ARE ALL OF THE CONTINENTS IN THE WORLD.
asked by SHANICE PILGRIM 
physics
You can comfortably hold your fingers close beside a candle flame, but not very close above the flame. Why? In a still room, smoke from a candle will sometimes rise only so far, not reaching the ceiling. Explain why.
asked by HELP! 
Science
How does heat affect the three states of matter ?
asked by Damien 
english
Would I write... While driving east, the forest became denser. or As I drove east, the forest became denser. Also, do I capitalize East?
asked by dede 
math
evaluate the following expression if x = –4.28, and y = –4.68. Round your answer to the nearest tenth.x – 5y
asked by amy 
science
Turn an incandescent lamp on and off quickly while you are standing near it. You feel its thermal energy but find when you touch the bulb that it is not hot. why you felt thermal energy from it.
asked by Ashton 
Graphs
The Frivoli can produce either 30 pounds of spaghetti and no meatballs or 50 pounds of meatballs and no spaghetti or any combination in between. The Frivoli can produce 40 pounds of spaghetti and no meatballs or 30 pounds of meatballs and no spaghetti.
asked by Britt 
Analogy/Spelling
Analogy: Glue:sticks as Thorns: 7 words that start with scr, spr, str, thr
asked by Edie 
math
A rectangle has sides of 4x – 4 and 8x + 10. Find the expression that represents its perimeter
asked by Kara 
science
The thermal energy of volcanoes and natural hot springs comes from trace amounts of radioactive minerals in common rock in the Earth's interior. Why isn't the same kind of rock at the Earth's surface warm to the touch?
asked by Ashton 
hum
what are some practices of Hinduism?
asked by RENE' 
math
can someone check my work? divid t^11/ t^3 is the answer t^3r2
asked by j.j 
Spelling/Analogy
Analogy: brother is to mother AS fly is to _____________ 4 letter word that starts with either scr, spr, str, or thr. I think it is spry? Do you think correct?
asked by Edie 
music
Can you please post all the music theory intervals? It is for Rudiments 1 and 2 please. Like perfect 5th and augmented 6th. Thanks
asked by Melody 
science
Why does the temperature of boiling water remain the same as long as the heating and boiling continue?
asked by science 
English
What is the difference between a noun and a verb isn`t it the same?
asked by LeAnn 
science
compare and contrast bauxite aluinium
asked by araceli 
math
if i had to divide the numerater and denominator then multiply 18 over 35 times 14 over 45 how would you do it ?
asked by tabitha 
physics
A car battery has a rating of 200 ampere·hours (A·h). This rating is one indication of the total charge that the battery can provide to a circuit before failing.
asked by rick 
math
i this the right answer to this problem 1+(7)+6+(10)= 8+6+(10)= 14+(10)= =24 Answer 24
asked by kavon 
math
Find two consecutive integers such that the sum of 3 times the first integer and 7 times second integer is 97.
asked by kavon 
math
An 800 g solution of acid and water contains 128 g of acid. What percent of the solution is acid?
asked by Brenda 
math
A electronics store wants to order at least 3 times as many DVD players as VHS players. Write an inequality expressing this relationship.
asked by Brenda 
Math
I need help with making a formula..? This is what I put.. "The 100th Triangular Number is 5,050. I found this by adding 100 to the value of the 99th Triangular Number. The 99th Triangular Number is 4,950. The formula I used to find it is..." Help?
asked by Bob 
ap english
how does the pythagorean theorem reflect modern math apperciation or show how does this reflect greek classical ideas
asked by synester 
thermochem
WHen talking about phase transitions, in a graph of Temperature vs. Heat Capacity, does the PT occur at when the graph has a gradient of 0 or somewhere else?
asked by Supaman 
english
Prometheus was a romantic or gothic story?
asked by anonymous 
physics
A toaster uses a Nichrome heating wire. When the toaster is turned on at 20°C, the initial current is 1.50 A. A few seconds later, the toaster warms up and the current has a value of 1.22 A. The average temperature coefficient of resistivity for Nichrome
asked by rick 
french
C'est or Il est?? ____est japonais. ____est etudiante. ____est un personne calme et sociable. I don't know when to use which...can anybody explain? thanks. Similar question...a or est? Elle ____ un ami sympathique.
asked by Eric 
grammar..adjective and adverbs..PleaseRespondASAP
Write the adjectives and adverbs in the following sentences. Indicate whether each is an adjective or an adverb, and identify the word or words it modifies. You do not need to include articles. 1. If you seriously plan to climb Mt. Everest, you should hire
asked by Anonymous 
lesson planning
how to make a good lesson plan for elementary students??? can you give me some sites???
asked by klar maesen 
Math
Northern Maywood voted 60% to 40% in favor of a water project. Southern Maywood voted 90% to 10% against the prject. The project passed 55% to 45%. If 5900 people voted, how many were from Southern Maywood.
asked by Stanya 
LI
Can some please show me sample essays from previous test and how they analyzed it.
asked by lou 
Economics
Member since: December 21, 2006 Total points: 154 (Level 1) * Best answer 75% * 4 answers Member Since: December 21, 2006 Total Points: 154 (Level 1) Points earned this week: 3 Your Open Question Show me another » Project Help!!!? Hi, I am doing a
asked by Sarah 
math
Find the slope and yintercept. x=9
asked by gavin 
English IIII
I need to obtain litary criticisms for William's "A Streetcar Named Desire"
asked by Linda 
math
A line passing through (–6, –5) and (–1, y) is perpendicular to a line with slope 5/13 . Find the value of y
asked by j.j 
CALC
Let f(x) be the function e^sin(x/10). If you wanted to estimate the area under the curve for this function from 3 to 5, how many intervals would you need to use to be sure that your upper and lower bounds differered by no more than .01?
asked by anonymous 
religions of the world
how modern civilization has impacted the spiritual lives of the indigenous people. are indigenous religions still practiced today
asked by cynthia 
calculus  PLEASE HELP!
Suppose you are trying to evaluate the intergral 2x^3dx and you make the substitution u=x^2. The substitution takes one area and converts it to a different onein this case a trapezoid with vertical sides. Denote by R the region under the first curve from
asked by anonymous 
COM 135
three forms of technical writing used in the corporate environment.Then I need to explain why each form of communication is important.
asked by Dawn 
Chemistry
Why must one add water first and then add the acid rather than add the acid first and then water?
asked by defa 
Com 135
How can diversity be an asset to the curriculum of the classroom?
asked by Dawn 
literature
when are the follwing lines spoken?
asked by brit 
physics
The average power dissipated in a stereo speaker is 54 W. Assuming that the speaker can be treated as a 4.0 resistance, find the peak value of the ac voltage applied to the speaker.
asked by rick 
Chemistry
calculate the final concentration if 4.0 L of 1.5 M NaCl and 2.0 L of 3.0M NaCl are mixed. I am confused about how to calculate the final concentration. We are currently working on solutions. I think first I need to divide the amount of the solution by the
asked by Lori 
AED 200
I need hrlp finding this info. and the state I am in is Florida. certification/licensure requirements for the state you would like to teach in.
asked by Dawn 
English
What are some images Robert Browning is trying to make us see in "A Woman's Lat Word" and "Rabbi Ben Ezra"? Is there a site where I can read an analysis of these two poems?
asked by Jake 
Math
If u do ur math hmwk 90% of the 180 days of schoool, how many days do you do ur math hmwk?
asked by brittany 
mathematics
Mri.Williams bought a plot of land for $4o,oo. The value of the land was appreciated by 7% each year. Calculate the value of the land after a period of two years.
asked by gisselle 
Math
I need to make a formula showing that I added 100 to the 99th Triangular Number.. Anyone know how I can do that?
asked by Bob 
Grammar
“Well,” Alex smiled into the phone. “I just realized that it was near three and that I wouldn’t get enough sleep and might forget to call you." Because 'Alex smiled into the phone' is description instead of attribution, should there be a period
asked by Natalie 
math
Rename percent as fractions and fractions as percents. 1/10 40% 66 2/3% 8/4 125% 2/25
asked by brittany 
English
linking, transitive, and intransitives verbs? would the sentence "the old woman's house smelled like a ginat litter box." be linking
asked by C 
FACTORING
I can't figure out how to factor this. I know you use the technique Factor by Grouping. But can someone explain to me how to factor this problem by using factor by grouping technique. Problem: 30x^3 + 18x^2  5x  3. Thanks so much:) Miley
asked by Miley 
calc
I was given a decreasing concave down graph of the integral F(x) from 08. i have to say whether the following are greater then, less then,equal to, or unable to determine each other 1. T (greater then) M 2. T (greater then) R 3. M (less then) S 4. S ?
asked by sarah