Thursday
April 24, 2014

Posts by alex


Total # Posts: 2,503

chemistry
what is an example of autocatalysis? what will the graph of the rate of an autocatalytic reaction versus time look like?

physics
A series RLC circuit has a resonant frequency of 6.00 kHz. When it is driven at 8.00 kHz, it has an impedance of 1.00 k(ohm)and a phase constant of 45 degrees. What are the R (resistance), L (inductance), and C (capacitance) of the circuit?

Global History
Hitler translated his hatred into a program of genocide. How do ethnic, racial, and religious hatreds weaken society? is the answer because people believe race can create conflicts towards different gropus of race

Global History
Last question i promise. Describe Hitler's blitzkrieg tactics.

Global History
Why were Western democracies willing to give into Hitler's aggressive actions?

Global History
what was Adolf Hitler's goal during the National Socialist movement?

5th grade
To cause a commotion that could ruin a plan: rock_ _ _ _ _ _ _

probability
consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event. A card that is not a king and not a spade is drawn. I know there are 52 cards in a deck and there are 4 kings to a deck. And 13 spades in a ...

college
0 and 5 because 0 can't divide, nor be divided

biology
Why is cell culture one of the most valuable technical achievements in the entire study of biology?

Math - Calculus
Show that the equation log y = 1.54 - .008x - .658 log x is equivalent to y = 34.7 (1.0186)^(-x) * x^(-.658)

science
how long does it take to grow different fruits and vegetables? I need a chart! Please!!!

Physics
You raise a bucket of water from the bottom of a deep well. If your power output is 108 W, and the mass of the bucket and the water in it is 7.00 kg, with what speed can you raise the bucket? Ignore the weight of the rope.

Physics
Why is the centripetal force subtracted from the force of gravity? Aren't both going in the same direction (since centripetal force is always in the direction of the center of the circle)

Chemistry
I have a 1L solution of 0.02M sodium acetate and 0.02M acetic acid. What is the pH after the addition of 0.05 moles of hydrochloric acid? I know this is a buffer question but I have no idea how I am supposed to go about getting the answer... I know Ka values for acetic acid, b...

math
i'm supposed to come up with different questions for 11-12 year olds, 13-14 year olds, and 17 year olds. the topic is the triangular number sequence. any ideas for them?

science
what is the latin greek word for single PLZ HELP ME!!!

spanish
does "fin" have an accent?

Physics
Less than

Calc.
a

Math
So the answer would be y=4x+2? Or would the 4 still be negative.

Math
Write a equation if a line through (0,2) that is perpendicular to y=-4x+6

Chemistry
.... try : .613g/136.23g/mol=.004999mol .959g/296.04g/mol=.003239mol Divide: .003239/.004999 then *100% = Percent yield =72% yield?

Chem
How us the speed of a chemical reaction related to the spontaneity of the reaction?

XACC 280 (accounting)
Nathan is a dix head.

biology
what will happen to a red blood cell placed in a solution of 99.3% water and 0.7% salt?

physics
In a rescue, the 80.0 police officer is suspended by two cables 35 degrees and 48 degrees. Find the tension in both cables?

biology
Will O2 passively diffuse and bind with hemoglobin that is less than 1mm from the surface of a blood sample? The percent of hemoglobin bound with O2 is different at high (10% CO2) and low (5% CO2) CO2 concentrations when the Po2 equals 0mmHg. Is that true?

biology
3/4

Biology
Will O2 passively diffuse and bind with hemoglobin that is less than 1mm from the surface of a blood sample? The percent of hemoglobin bound with O2 is different at high (10% CO2) and low (5% CO2) CO2 concentrations when the Po2 equals 0mmHg. Is that true?

physics
An eardrum can burst when the pressure exceeds one atmosphere and the pressure inside the ear fails to equalize. Determine the depth in seawater when this pressure would be reached. (pressure of ocean = 1.03*10^3 kg/m^3)

Chemistry 51LA
.... try : .613g/136.23g/mol=.004999mol .959g/296.04g/mol=.003239mol Divide: .003239/.004999 then *100% = Percent yield =72% yield?

Physics
When you push a 1.80-kg book resting on a tabletop, it takes 2.05 N to start the book sliding. What is the frictional force exerted on the book when you push on it with a force of 0.80 N?

PHYSICS
Consider a disk of radius 10 cm and positive surface charge density +3.7 mC/m2. A particle of charge -4.5 mC and mass 75. mg accelerates under the effects of the electric field caused by the disk, from a point at a perpendicular distance from the center of the disk. The final ...

Accounting
What is the effect on income before taxes if the aging category is changed on an accounts receivable by issuing a new invoice to customers with a revised date?

Biology
Find a recent (from 2009 June onwards) and interesting article from the mass media with a theme that is related to topics learnt in Cell Biology. So far I've learnt Membrane Structure & function,Organelles and their structure & function, as well as their membrane systems, ...

4th grade
i am a two-digit number over 50. when you put me in groups of seven, two are left over. the sum of my digits is 11. what number am i

chemistry
how do reciprocating heat engines work?

math
what is the domain, range, zeros, Initial value, sign, variation and extrema

french
Sportif

Finance
a car sells for $25000. if the rate depreciation is 15% what is the value of the car after 7 years

Grammar
Also, I'm not sure if the following sentences have run-on errors. "Houdini was born in Budapest, Hungary in 1874 when he was 4 his family immigrated to the United States." "Houdini made his name as an escape artist and magician at the turn of the century he ...

Grammar
Does the following sentence have faulty co-ordination or run-on errors? "Harry Houdini left home at the age of 12, and his real name is Erich Weiss."

MATH
HOW TO TELL if each pair of polygons are diffrent

Physics
13.6g is 0.0136kg

11th grade English
What is the timeline of chapters 13 through 18 of The Scarlet Letter? Please i need this by Tomorrow.

English
I'm looking for an artivcle by a credible news site (eg: bbc, cnn, TIME, etc). It must be about education. I'm searching for articles mostly about rote learning, and whether or not school will better prepare you for jobs, or about the school curriculum. Are there any a...

Physics
As part of a forensic test, a 5.0g lead bullet is fired into a fence post. the initial speed of the bullet is 250 m/s. when it comes to res, it is determined that half its kinetic energy had gone into heating the bullet. how much does the bullet's temperature change as a r...

physics
When people sleep, their metabolic rate is about 2.6*10^4 C/(s-kg). How many calories does a 25kg person metabolize while getting a good nights sleep of 8 hours?

Statistics
How do you determine if there's a statistically significant difference between two data sets/values? Thanks!

Finance
Forecasting Collections. Here is a forecast of sales by National Bromide for the first 4 months of 2001 (figures in thousands of dollars): Month: 1 2 3 4 Cash sales 15 24 18 14 Sales on credit 100 120 90 70 On average, 50 percent of credit sales are paid for in the current mon...

BUISNESS AND TECHNOLOGY
2. What market strategy is NASCAR using to reach its target markets

BUISNESS AND TECHNOLOGY
What market segments are the target markets of NASCAR?

BUISNESS AND TECHNOLOGY
3. Does Nike invite comments from visitors to its Web site? If so, how does this affect its attempt to build positive relationships with its customers?

BUISNESS AND TECHNOLOGY
How do the elements of the Web site reflect Nike's target market?

BUISNESS AND TECHNOLOGY
1. How does Nike's Web site help the company strengthen its relationships with its stakeholders? Give examples to support your answers

spanish 2
how many sentences do you have to use?

math
thanks but y\why did you multiply it by 4 and 5 at the begging

math
i need help with this problem x AND y ARE THE SAME IN BOTH PROBLEM???? 7x+8y=25 9x+10Y=35

algebra 1
Y=2/3x-1 Y=-x+4

Physics E&M
An electron is released from rest on the axis of a uniform positively charged ring, 0.100 m from the ring's center. If the linear charge density of the ring is +0.149 µC/m and the radius of the ring is 0.200 m, how fast will the electron be moving when it reaches the...

Matobability question
idk

Math Probability question
idk

Math Probability question
idk

Literary Analysis and Composition
Haha your from K12! I'm doing that text noww...

math
Eleven days.

chemistry
how many molecules of calcium are needed to produce 90.87 moles of carbon dioxide? please explain.

Science
Is the heat from a light bulb radiant or convection?

Physics
1) e! 3) d (6 beats per s) formula: f_beat = |f1-f2| at above person..lol! what were you doing here yourself..if not searching for help to do these questions?

social studies
hi

ap us history
is this true or false. in 1922, the Anti Lynching Crusaders had 700 women working in 25 states.

buisness
Is it a good idea to open america fast food resturants in disney parks overseas, selling the same types of food as sold in U.S. disney parks? why or why not?

buisness
ethically would it be fair to pay U.S. empoyees that are relocated overseas a different wage than local employees, please explain

buisness
explain how social cultural differences ceate problems for walt disney in opening parks over seas

11th grade
log[3](7x-3)>=log[3](5x)

Algebra 2
log[3](7x-3)>=log[3](5x)

Chemistry
I need to perform a chemical demonstration on thermochemistry or kinetics or colligative properties for chemistry class. However I cannot have demonstrations involving fire.

algebra
I can't figure this problem out. I need to solve for x. 5/6x+1/2=2/3

math
There are 6 different shapes in a bag. Each student will draw one shape, trace it, then return it to the bag. How many outcomes are possible? Are all of the outcomes equally likely?

math
one way to find the equivgalent percent of 2/3 without using a calculator

BUISNESS AND TECHNOLOGY
4. List your references according to APA guidelines in the space below. You are required to use at least one outside source to support your viewpoint and this source can be the textbook.

BUISNESS AND TECHNOLOGY
. When disasters hit an area, the cost of everything seems to go up immediately: food, water, housing, gas and so forth. Explain why this phenomenon may be a good thing, using the laws of supply and demand to explain your answer.

BUISNESS AND TECHNOLOGY
As an advantage, socialist systems use what are now government funds to aid the people in emergency situations. In socialist systems profit is not a motive, they tax the people who make the most and share it with those who are in need. Therefore in a emergency situation such a...

BUISNESS AND TECHNOLOGY
What advantages might a socialist system have when responding to the needs of the poor in an emergency situation as it was after Hurricane Katrina?

BUISNESS AND TECHNOLOGY
In a free market system there are many entrepreneurs that are out daily by any means necessary trying to succeed. They tend to see misfortune of others as there new fortunes. Years ago they had people known as ambulance chasers who were Lawyers who had short wave radios and li...

BUISNESS AND TECHNOLOGY
1. No economic system has been able to respond quickly to the devastation caused by war or natural disasters. Why is the free market system more likely to respond faster?

math
i have a six digit question my 100 thousands is one less than my ones digit,eight greater than my thousands digit,twice my tens digit and four times my hundreds digit,my ten thousand digit is zero,what number am i

Biology
In general, the frequency of APs in an afferent neuron is related to the amplitude of the receptor potential in the following way: a. exponentially. b. there is no general relationship. c. logarithmically. d. linearly. Is it exponentially? The other options make no sense. Duri...

physics electricity
An electric force moves a charge of +1.65 multiplied by 10-4 C from point A to point B and performs 6.40 multiplied by 10-3 J of work on the charge. (a) What is the difference (EPEA - EPEB) between the electric potential energies of the charge at the two points? (b) Determine ...

physics
how much energy is gain by an electron accelerated through a potential differenc of 30000v?

WW1/impearilism
i looked through some of these already and i am having trouble finding what exactly were the democratic ideals.

WW1/impearilism
thank you so much, i just needed some background info i didn't know where to begin

WW1/impearilism
To what extent did America uphold its democratic ideals from 1880-1920?

Art
how we write painting intirperitation paper

SCIENCE
Because comets follow periodical orbits around the Sun. As a comet’s orbit brings it close to the sun, we can see the tail. If we measure the orbit of the comet we will know the next time the comet is close to the sun.Also see Interactive Comet Animation about how comets ...

SCIENCE
Because comets, as planets, follow periodical orbits around the Sun. These orbitas are controled by KEPPLER'S LAWS. Use our Interactive Comet Animation to some things about how comets work.

Calculus
I need step by step help with the chain rule for this problem: 7(x^(7/3)+(11/7)x^(7/5)+13x^(7/7))^(4/3)

latin
I don't have the vocab with me for harsh begginings of youth. however i know that harsh begginings should be in the accusative form and of youth should be genative. so far i have cras tu tuusque sora amiterint is any of that correcT?

latin
How would you translate this from english to latin? Tomorrow, you and your sister will have lost the harsh beginning of youth, is trasnlated as:

calculus
For a function f, let f*(x)=lim (f(x+h)-f(x-h))/h h->0 Determine f*(x) for f(x)=cos(x)

Pages: <<Prev | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | Next>>

Search
Members