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April 18, 2015

Posts by katie


Total # Posts: 1,741

science
what is 303ml=______dal
October 29, 2008

Physics Number 3 (Online w/ no teacher)
drwls.. what do you mean about Jiskha teachers? No I mean at the college I go to I'm taking this class online, and the teacher is not helpful at all, even when we ask questions. Thank you.
October 27, 2008

Physics Number 3 (Online w/ no teacher)
Many people mistakenly believe that the astronauts that orbit the Earth are “above gravity.” Calculate g for space-shuttle territory, 200 kilometers above the Earth’s surface. Earths’ mass is 6 X 10 to the 24th and its radius is 6.38 X 10 to the 6th (6380 ...
October 27, 2008

Physics (Online w/ no teacher)
Thank you both!
October 27, 2008

Physics (Online w/ no teacher)
The mass of a certain neutron star is 3.0 X 10 to the 30th (1.5 solar masses) and its radius is 8,000 m (8 km). What is the acceleration of gravity at the surface of this condensed, burned-out star? My answer was 31,265,625 X 10 to the 12th km/s squared.
October 27, 2008

Physics (Online w/ no teacher)
That's what I believe it is, but I'm not sure... ?
October 27, 2008

Physics (Online w/ no teacher)
Find the change in the force of gravity between two planets when the distance between them is decreased by a factor of 5.
October 27, 2008

math
7x-4y=-10 4y=x-2
October 26, 2008

math
5x+y=2 5x+3y=12
October 26, 2008

9th grade biology honors
What would happen if you placed a grape in a bowl with highly concentrated sugar water? and also i need help with this question: "Talking about osmosis, what would happen to a jellyfish placed in a freshwater lake?
October 16, 2008

Precalculus
Why x can't be negative? Isn't it just y that can't be negative?
October 14, 2008

Precalculus
How would you determine whether |y|= x^3 is symmetric with respect to the x-axis, y-axis, both, or neither. In my book it said to plug in (a,b) and to get an equation to compare the other ones to. So I got |b|= a^3. Then I plugged in (a,-b) to test the x-axis and (-a,b) to ...
October 14, 2008

science
three statements that define all living things in terms of cells
October 14, 2008

Chemistry
no one has answered this question
October 13, 2008

Math
a fruit seller has a roadside stand that can hold thirty baskets on it. He can put ten apples in a basket, or two watermelons at a time. if he makes $0.50 on each apple, and $2.00 on each watermelon, how many of each should he carry? How much will he make?
October 9, 2008

Math
How do you not get mixed up with the exponents?
October 6, 2008

american history
what are Haciendas
October 2, 2008

MicroEconomics
Thanks for the info, much appreciated:)
September 26, 2008

MicroEconomics
One of the early economic laws was called Says Law that stated that supply creates its own demand. Using the circular flow chart, explain what this means and how an expanding population results in economic growth.
September 26, 2008

L.A
why don't principles fail??
September 24, 2008

social studies
how do trres give us oxygen and how?
September 19, 2008

social studies
what is the longest river in the north america?
September 18, 2008

world history
What was the relationship between trade and the spread of the Phoenician alphabet?
September 15, 2008

spanish
your answer could not be posted due to the following erros
September 13, 2008

science
why do bubbles released indicates that a chemical change has taken place
September 12, 2008

Art
tuesday september 9' 2008 at 1;59 am
September 8, 2008

Human Resources
for 2, maybe HR department could act as a link between branch and home office to foster better communication. Then what roles should supervisiors and managers be responsible for? 3, can't really think what role the Internet play. Thanks for any help/ideas.
September 6, 2008

Human Resources
In the home office, a director asked an employee about a particular machine, the employee replied that she did not know what the machine was called or what it did, but she precisely know how to operate it. At the branch office, a supervisor explained that employee turnover was...
September 6, 2008

science
from sea level, the biosphere goes up about 9 km and down about 19 km. what is the thickness of the biosphere in meters?
September 2, 2008

physical science
what is a change in velocity's rate
August 27, 2008

Algebra
i thke for the cow are you
August 24, 2008

Biology
Is it because it releases free energy?
August 24, 2008

Biology
Describe how you can achieve negative free energy in a chemical reaction.
August 24, 2008

Economics
What factors of production (natural resources, human resources, and capital resources) do you use in your daily activities?
August 20, 2008

Chemistry
What are the pH values if you take into account that the 8.00 mL of 0.10 M Acid was first diluted with 100 mL of water? ACID = with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq?
August 20, 2008

lang.
no one has responded to this message.
August 18, 2008

hardware
the____is considered the brains of the computer? random access memory is ______? a printer can be considered a _____? lasres, ink jets and dot matrix are types of___________? monitersand printers are types of _____? floppy diskettes are also called _____?
August 15, 2008

Math
I need help changing 67.4 dm _________mm. Please and thanks!
July 30, 2008

statistic
the accontieg depatment at
July 28, 2008

Calc
Question: Using trigonometry, add these two vectors. 7m/s [N30E] and 2m/s [S17E]. THIS is my answer: 6m/s [N45E] is this the correct answer?
June 29, 2008

trig
write an algebraic equation equivalent to csc(arctanx)
June 9, 2008

trig
solve 2sin^2x+sinx-1=0 in the interval [0, 2pi0
June 9, 2008

Accounting
The Account Cycle Bob night opened "The general's favorite Fishing Hole" The fishing camp is open from April through September and attracts many famous college basketball coaches during the off-season. Guests typically register for one week, arriving on Sunday ...
June 5, 2008

not working
no it is the jiskah website. i have a picture of my math problem and i made it into a link so that it would be easier for the tutors to solve but this website is lame and wont allow links to be used in questions
June 4, 2008

not working
how am i supposed to show you the problem i have if your site wont allow websites to be used in questions?
June 4, 2008

why wont anybody help me???
C:\Documents and Settings\Iron\My Documents\My Pictures\dump truck.bmp click on link for picture and description of the problem. I got it wrong on a test and have finals next week so i need to know how to do it.
June 4, 2008

Adv. Alg/Trig
How would you solve tan(-335) without using a calculator? I got it to tan(25) but that's not one of the ones on our chart, and I'd use a sum or difference identity but we never learned one for tangent, if one exists.
June 3, 2008

Physics
It's still wrong. I have no idea what to do at this point, but thanks for your help anyway.
May 27, 2008

Physics
okay so i add the .4852 to the 1.8 and i get 2.2852 but it keeps saying that im wrong. i dont understand
May 27, 2008

Physics
At 08:00hrs a 2.7- m-long vertical stick in air casts a shadow 1.8 m long. If the same stick is placed at 08:00hrs in air in a flat bottomed pool of salt water half the height of the stick, how long is the shadow on the floor of the pool? (For this pool, n = 1.64.) I can't...
May 27, 2008

Scenario Question?
i need help with these word that i need to mak in to sentence
May 27, 2008

Math
Could someone tell me if I got these problems right. A man used 1 pt. 9fl oz. of cleaner, then he used 2 pt 10 fl oz. out of a 3 qt. bottle. How much cleaner is left? = 1 pt. 13 floz The United States emitted 19.5 million t of nitrogen oxides(NO) into the atmosphere in 1987. ...
May 21, 2008

Math
I need help on how to subtracting integers such as -1-(2) and -3-(-5)
May 20, 2008

Essay
You also need to run a spell check to make sure no words are spelled incorrectly
May 20, 2008

Science
Uses and advantages of DNA analysis and fingerprints in solving crimes? I'm supposed to compare and contrast.
May 18, 2008

year 7 geography
find 5 cities and towns next to the river in england
May 16, 2008

Geometry
What is the formula for finding the volume of a square pyramid?
May 15, 2008

Math
I keep getting different answers, can someone help? (16^sqrt5) ---------------- * 32^-2sqrt5 (4^sqrt5) By the way, I got 2^-8sqrt5
May 15, 2008

Algebra II
I keep getting different answers, can someone help? (16^sqrt5) ---------------- * 32^-2sqrt5 (4^sqrt5) By the way, I got 2^-8sqrt5
May 14, 2008

Algebra II
I keep getting different answers, can someone help? (16^sqrt5) ---------------- * 32^-2sqrt5 (4^sqrt5) Maybe it's clearer like this. By the way, I got 2^-8sqrt5
May 14, 2008

Algebra II
I keep getting different answers, can someone help? (16^sqrt5) ----------- * 32^-2sqrt5 (4^sqrt5)
May 14, 2008

Statistics
Find the possible nuber of license plates consisting of 2 letters followed by 4 digits if digits can be repeated but letters can not a. 3,276,000 b. 3,407,040 c. 6,500,000 d. 6,760,000 I thought 26*24*24*23*22*21*20 etc/9 but that wasnt right and its just really confusing
May 14, 2008

Physics
Indicate true or false in each of the following statements: 1. a tube open at one end resonates with only odd harmonics 2. The frequency of a sound emitted by a vehicle as it moves toward you rises as you listen 3. a tube open at both ends resonates with all harmonics 4. an ...
May 8, 2008

Physics
current passing through a conductor is increased from 10 A to 15 A this decreases the strength of the magnetic field produced by the conductor true or false True
May 8, 2008

chemistry
There is an apparatus that consists of three glass bulbs connected by small glass tubes with the stopcocks closed. Given that the temp. is 27 degrees C, what is the pressure of gas in each glass bulb? Bulb 1-> 1L- 1.79gCO2 Bulb 2-> 2L- 0.162gH2 Bulb 3-> 3L- 4.87gAr
May 8, 2008

chemistry
There is an apparatus that consists of three glass bulbs connected by small glass tubes with the stopcocks closed. Given that the temp. is 27 degrees C, what is the pressure of gas in each glass bulb? Bulb 1-> 1L- 1.79gCO2 Bulb 2-> 2L- 0.162gH2 Bulb 3-> 3L- 4.87gAr
May 8, 2008

chemistry
Calculate the molarity of a solution that is prepared by dissolving 23.35g of CaCl2 in a sufficient amount of water to make a 600 mL solution.
May 7, 2008

chemistry
Assuming the volume of the connecting tubes is negligible, what will be the pressure in the apparatus after all of the stopcocks are opened and the gases are allowed to mix?
May 7, 2008

chemistry
There is an apparatus that consistsw of three glass bulbs connected by small glass tubes with the stopcocks closed. Given that the temp. is 27 degrees C, what is the pressure of a gas in each glass bulb? 1L=1.79g CO2 2L=0.162g H2 3L=4.87g Ar
May 7, 2008

CHEMISTRY HELP
IF ANYONE CAN HELP ME WITH MY HOMEWORK AND EXPLAIN EXACTLY HOW TO GET THE ANSWERSSS PLEASEEE HELP
May 7, 2008

chemistry
SEE NOW THAT MAKES MORE SENSE..IS THERE ANY WAY YOU CAN DO THAT WITH THE REST OF MY QUESTIONS. IT GIVES A PERFECT DETAIL FOR ME.
May 7, 2008

chemistry
this is all so confusing
May 7, 2008

chemistry
If it requires 54.7mL of a 0.0765 M HCl solution to complete neutralize 25.0 mL of a KOH solution, what is the molarity of the KOH solution.?
May 7, 2008

chemistry
is it-417649 or -.667
May 7, 2008

chemistry
all i did was since the pkw is 14..i just subtracted that from the 9.35 to give me 4.65
May 7, 2008

chemistry
oh..i didn't convert 9.35 into anything though..cause thats the number they gave me
May 7, 2008

chemistry
this is a hard one for me...what do i do with 4.65
May 7, 2008

chemistry
i don't get the OH^-
May 7, 2008

chemistry
ok since 14-9.35=4.65 what do i do after this...
May 7, 2008

chemistry
a pH meter gives a readout of 9.35 when the probe is dipped into an aqueous solution containing the strong base NaOH. What is the molarity of this solution with the respect to sodium hydroxide?
May 7, 2008

chemistry
perfect! 4.79
May 7, 2008

chemistry
hmm i know its 5 something
May 7, 2008

chemistry
so is this what it should look like pOH=-log(7.5x10-10)=9.124
May 7, 2008

chemistry
i understand your trying to help me..but i don't understanf anything that you have helped me.im a step by step person. thats why i thought this would work
May 7, 2008

chemistry
im struggling in this class, and i need as much help as possible.
May 7, 2008

chemistry
you have to explain these better, i dont even understand them
May 7, 2008

chemistry
what is the pH of an aqeuous solution with s hydroxide ion[OH-] concentration of 7.5x10-10 M?
May 7, 2008

chemistry
so am i just going like this?...... -log(0.00378)=2.422??
May 7, 2008

chemistry
can we go over this one?
May 7, 2008

chemistry
how do i do this one
May 7, 2008

chemistry
predict the pH of an aqueous solution that is 0.00378 molar in HBr
May 7, 2008

chemistry
ok so to find it...do i subtract them..or divide?
May 7, 2008

chemistry
9.00x?mL=810 how do i find the missing number
May 7, 2008

chemistry
9.00 x 450x 1.80?
May 7, 2008

chemistry
so is just 9.00x 450x1.80??
May 7, 2008

chemistry
so which ones do i times together?
May 7, 2008

chemistry
Calculate the volume of a 9.00 M HNO3 stock solution that must be used to prepare 450 mL 0f a 1.80 M HNO3 solution.
May 7, 2008

chemistry
Calculate the molarity of a solution that is prepared by dissolving 23.35g of CaCl2 in a sufficient amount of water to make a 600 mL solution
May 7, 2008

chemistry
which is 208.8
May 7, 2008

chemistry
well if you times them its 500000..
May 7, 2008

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