Thursday
March 5, 2015

Posts by Grace


Total # Posts: 408

Physics
Two students are on a balcony 29.4 m above the street. One student throws a ball vertically downward at 14.7 m/s. At the same instant, the other student throws a ball vertically upward at 29.4 m/s . The second ball just misses the balcony on the way down. a) Sketch the ...
October 23, 2010

physics
A small first aid kit is dropped by a rock climber who is descending at a constant velocity of - 1.3m/s. a) Sketch the velocity vs. time graph for both the climber and her first aid kit and paste your sketch in the space below. b) After 1.5 seconds, what is the velocity of ...
October 23, 2010

Macroeconomics
A banks total assets equal 1 billion. It's Liabilities equal 1 billion. Transaction deposits equal 500 million, loans equal 700 million and securities equal 250 million. A: If the banks only other liabilities are savings deposits, what is the value of these savings ...
October 13, 2010

2nd grade
thank u.
October 5, 2010

Math
31, 32, 33, 34, 35, 36, 37, 38, 39 what numbers add up to 10?
October 5, 2010

Math
What is the number? It is greater than 30 and less than 40. If you add the digits, the sum is 10.
October 5, 2010

chemistry
What is the total sample size (in grams)for a sample of ethanol (CH3CH2OH) which contains 3.39 grams of oxygen?
September 22, 2010

science
what is the appearance of: Iron? Sulphur? A mixture of both when heated?
August 3, 2010

Pharmacy math
calculate the ordered medication for each of the following IV bags to achieve the ordered concentration Ordered: Add 30 mEq KCl per L of IV fluid. On hand: 360 mL IV solution. On hand is KCl 2 mEq / mL Add: ______mEq; ___ mL Ordered: Add 20 mEq KCl per L of IV fluid. On hand...
July 11, 2010

math
A theater group made appearances in two cities. The hotel charges before tax in the second city were lower than in the first. The tax on the hotel bill was in the first city and in the second. After the trip, the total tax paid on accommodation expenses was . How much was the ...
June 26, 2010

chemistry
so then the best answer is a like I suspected.. but you agree it would have been bluish and then turning yellow not so much greenish?
May 10, 2010

chemistry
what is observeed when carbon dioxide was bubbled into bromothymol blue? a. the color of the solution changed from greenish to yellow color. b. the solution turned cloudy c. the color of the solution changed from yellow to colorless d. a precipitate formed again I say the ...
May 10, 2010

chemistry
cloudy?? no bubbles??
May 10, 2010

chemistry
when I bubbled Alka selzer into limewater I believe all I saw was small bubbles form. is that correct and why? if not what should I have observed.
May 10, 2010

chemistry
yay i got that one right :)
May 10, 2010

chemistry
when you insert a glowing wooden toothpick into a oxygen-filled pipet what would you observe? a. nothing b. the glow of the toothpick went completely out c. heard a gentle pop d. the glow of the toothpick got brighter and may have reignited. again Im checking to see if I did ...
May 10, 2010

chemistry
why would my flame have looked bigger what do you think i was doing wrong?
May 10, 2010

chemistry
when you hold a hydrogen filled pipet bulb horizontally with its mouth about 1 cm from a falme while gently squeezing what would you observe? a. the flame goes out b. a gentle pop and the flame may have been blown out c. the flame got bigger d. nothing happened I think that ...
May 10, 2010

CHEMISTRY
The specific heat capacity (cp) of lead is 0.13 J/g °C. How much heat (in J) is required to raise the temperature of 15 grams of lead from 22 °C to 37 °C? a. 2.0 b. -0.13 c. 0.13 d. 29
May 9, 2010

CHEMISTRY
The specific heat capacity (cp) of lead is 0.13 J/g °C. How much heat (in J) is required to raise the temperature of 15 grams of lead from 22 °C to 37 °C? a. 2.0 b. -0.13 c. 0.13 d. 29
May 9, 2010

CHEMISTRY
The major component of vinegar is acetic acid CH3COOH. Which of the following reactions represents the balanced equation between acetic acid and sodium bicarbonate? a. CH3COOH(aq) + NaHCO3 a CH3COONa(aq) + CO2(g) + H2O(I) b. CH3COOH(aq) + 2 NaHCO3(aq) + 3/2 O2(g) a 4 CO2(g) + ...
May 9, 2010

CHEMISTRY
which one of the following reactions represents the balanced chemical equation for the formation of water from hydrogen gas and oxygen gas? a. 2H(g) + O(g) a H2O(I) b. H2(g) +o(g) a H2O(I) c. 2 H2(g) + O2(g) a 2 H2O(I) d. 2 H(g) + 1/2 O2(g) a H2O(I)
May 9, 2010

chemistry
Why is it necessary to wait until the filter paper containing a compound is completely dry before weighing it? and how would it effect the theoretical yield? HIgher?? lower??
May 6, 2010

chemistry
which reactant in the reaction of sodium carbonate and calcium chloride dihydrate is the limiting reactant if 1.00 gram of each reagent is used? a. sodium carbonate b. calcium chloride dihydrate
May 6, 2010

chemistry
when aqueous solutions of copper II nitrate and sodium phosphate are mixed, sodium nitrate and copper II phosphate are formed. In the balanced chemical equation what is the coefficient of sodium nitrate?
May 6, 2010

7th grade
Well im a korean and i lived there till 3years ago. but before i answer the quastion, i wanna ask you something do you mean monsoons here in USA or in korea just kinda confused you know
April 28, 2010

Chemistry
Is there a website that explains this please??
April 27, 2010

Chemistry
what happens when sodium chloride is added to boiling water and why?? Can someone please explain!
April 27, 2010

Physics
Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your ear . How long does this take . __ seconds I don't understand thisss ! Help me !
April 11, 2010

Physics
Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your ear . How long does this take . __ seconds I don't understand thisss ! Help me !
April 11, 2010

Corporate Finance
PROJECT RISK RETURN A High 15% B Average 12 C High 11 D Low 9 E Low 6 so the projects A, B, and D will maximize the shareholder wealth
March 1, 2010

chemistry
2. Bromine can be added to limonene to create a brominated compound. The balanced equation is shown below. When 613 mg of limonene and 3.5 mL of a 10% (v/v) solution of Br2 in dichloromethane (a solvent) are combined, 959 mg of the product is isolated. Calculate the percent ...
February 23, 2010

Physics
A 45 kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 29 degrees, the crate begins to slide downward. What is the coefficient of static friction between the crate and the ramp? At what angle does the crate begin to slide...
February 22, 2010

French
Can you check these thanks part 1 directions: Exprimez d'une autre façon. 1. un télécopieur --------- Answer: un fax 2. une télécopie ------------ Answer: un fax 3. une texte ------------ Answer: ses données 4. elle ne perd pas...
January 26, 2010

Trigonometry
How do I find all solutions in the interval [0,2Pi): sin2x=cos2x answer choices are: a.)Pi/8 b.) Pi/8, 5Pi/8, 9Pi/8, 13Pi/8
January 2, 2010

Trig
How do I find all solutions in the interval [0, 2Pi): cotx=cscx-1 the answer choices are: a.) x=Pi/2 b.) x=Pi/2 and 3Pi/2
January 1, 2010

Trigonometry
Thanks! :D
January 1, 2010

Trigonometry
How do I find all solutions to: tanx+3cotx=4? The answer choices are: a.) x=arctan3+nPi b.) x=arccot3+nPi
January 1, 2010

social studies
the dutch came to america and established colonies near water. why?
November 11, 2009

st. charles borremeo
maria practiced for 40 minutes on sat. she practiced 10 minutes less in the morning the in the afternoon? how many minutes did she practice in the afternoon
November 3, 2009

st. charles borremeo
maria practiced for 40 minutes on sat. she practiced 10 minutes less in the morning the in the afternoon? how many minutes did she practice in the afternoon
November 3, 2009

writing
how to start an essay about dealing with conflict at work
November 3, 2009

Math
The number is not less than 20. The number is not greater than 40. The number is not divisble by 2, 3, or 7.THe number is not a prime number. THe sum of the number's digits is not 8. What's the number?
October 13, 2009

maths (2nd time)
Solve the equation. Round to the nearest hundredth: 1. 1.59x+4.23=3.56x+2.12 2. -3(1.25-2.48x)=8.15+5.86
September 20, 2009

maths:
Solve the equation. Round to the nearest hundredth: 1. 1.59x+4.23=3.56x+2.12 2. -3(1.25-2.48x)=8.15+5.86
September 20, 2009

Algebra I
thanks again! :)
September 20, 2009

5th grade Math
92
September 4, 2009

5th Grade Math
LOSER!
March 12, 2009

Ideas
hi, i need to come up with an invention/product for one of my classes, the idea should be something new that doesn't really exist yet, but that is also realistic and plausible. I am having such a hard time coming up with something, and was wondering if anyone had any ideas...
March 5, 2009

math
13 out of 25 write this percent notation
February 9, 2009

algebra
use distributive property to factor each expression: 1. x^2+8x+16 2. d^2+8d+7 3.y^2+6y+8 4. b^2-2b-3 5. s^2-4s-5
February 1, 2009

Algebra
use distributive property to factor each expression:1. x^2+8x+16 2. d^2+8d+7 3. y^2+6y+8 4. b^2-2b-3 5. s^2-4s-5
February 1, 2009

Algebra
turn these factored equastions into expanded form: (n-1)(n^2-3n+4) (n^2+2)^2
February 1, 2009

math
A ratio is an expression which compares quantities relative to each other. The most common examples involve two quantities, but in theory any number of quantities can be compared. Mathematically they are represented by separating each quantity with a colon, for example the ...
February 1, 2009

social studies
cotton and foods
February 1, 2009

Math - check my answers :)
Thanks! I always second guess myself when doing the first few problems out of new lessons
January 30, 2009

Math - check my answers :)
1. Find the amplitude, if it exists, and the period of y=tan 1/4È Answer: No limits in amplitude, y=tanÈ/4 period is 4pi 2.Solve x = Arctan(-sqrt3) Work: Pythagorean theorem: sqrt(1^2+3)= sqrt4=2 in length. Triangle is 1, sqrt 3,2 Answer: -60° 3. In ...
January 30, 2009

Physics
What are the magnitude and direction of the electric field at a point midway between a -8.0 microCoulomb and a +7.0microCoulomb charge 8.0cm apart? Assume no other charges are nearby. I have been working on this problem for a few hours now and I haven't really accomplished...
January 22, 2009

physics
If the grating is not properly aligned, what are the consequences on the average angular displacement and wvelength reading? Please elaborate. How do grating constants affect the observed spectral lines?
January 18, 2009

physics
Why must the spectrometer be aligned each time a grating is replaced?
January 18, 2009

10th grade Math
In logarithms, my problem is 2log(subscript 3)n + log (sub 3)5. I know how to add logarithms together, but what do I do with the 2 before the first log?
December 9, 2008

english lang
what word families do the following belong to woman ox goose mouse child foot thank you
November 17, 2008

Spanish
can't you do actual revision ; instead of just words. it would make it a whole lot easier, because what if we didn't need to revise on those particular words and needed RESEARCH?
November 6, 2008

biology
how is the s phase of the cell cycle measured?
September 21, 2008

what does pre-algebra mean??
pre algebra is like a bunch of math that comes before algebra in middle school.
August 25, 2008

math
what are some of the factors of 776, 9279, 12408, and 173632?
August 19, 2008

English GuruBlue
Ok I took your sugguests and I followed them I was wondering I had orginally posted this Patient safety and promotion of zero medication error are common goals in every healthcare institution. One of the policies that answer the said goals is the "do not" use ...
July 26, 2008

Thanks GuruBlue
Thanks for your help :)
July 26, 2008

English in a jam
Please help I have so many verisons and drfats I want my paper to sound good is there asny thing in one paper is there a way to comine info from all my drafts to make on good paper thanks Draft one Patient safety and promotion of zero medication errors are common goals in ...
July 26, 2008

English revised
Here is my revised copy please take a look thanks :) Patient safety and promotion of zero medication errors are common goals in every healthcare institution. One of the policies that answers these goals is the policy made by JCAHO that was made effective on January 2004. This ...
July 26, 2008

English
Please let me know if this sounds any better I still have my old draft as well Thanks Patient safety and promotion of zero medication errors are common goals in every healthcare institution. One of the policies that answers the said goals is the policy made by JCAHO that was ...
July 26, 2008

revised paper
Please let me know if this sounds any better I still have my old draft as well Thanks Patient safety and promotion of zero medication errors are common goals in every healthcare institution. One of the policies that answers the said goals is the policy made by JCAHO that was ...
July 25, 2008

Reseach paper revised
I was wondering if my paper sounds ok or would it be better if I had more sources thanks Patient safety and promotion of zero medication error are common goals in every health-care institution. One of the policies that answer the said goals is the "do not" use ...
July 21, 2008

Reseach paper for Sra McGin
This is what I am unsure Thanks abbreviations/ acronyms = dlete the space after / Don't forget to cover everything in the prompt = quotations, etc.
July 18, 2008

Reseach paper for Sra McGin
I am not to sure what you mean
July 17, 2008

Reseach paper
I have a research paper due on Medical Terminology could you please look at it and tell me what you think ■ Provides clear answers to the assigned questions ■ Addresses the questions in complete sentences, not just simple yes or no statements ■ Supports his ...
July 17, 2008

English
funny survey sample please! with scoring and interpretation pls!
June 19, 2008

"Things fall apart" -Achebe
what did okonkwo do whenever he thought of his father's weakness and failure?
May 12, 2008

math
how is a bridge nuilt, using mathematics??
April 30, 2008

biology
what is the importance of cell theory to the study of biology
March 12, 2008

Algebra
How do you find the coordinates of a vertex of a parabola using the quadratic equation?
March 11, 2008

Planets
Venus is hotter because it has a thick atmosphere that contains great quantities of greenhouse gases (such as carbon dioxide). The clouds trap all the heat. Mercury, however, has no true atmosphere. Hope that helps!
March 11, 2008

geometry
trapezoid
March 11, 2008

Math repost for edie
You know that the area of a square is length times width. There are two possible combinations of whole numbers: 1 x 25 and 5 x 5. A square is equal on all sides, so the both the length and the width have to be 5. To find the answer, a square has 4 sides, and 4 x 5 (or 5 + 5+ 5...
March 11, 2008

history
What were the stategies of the axis powers during WW11 used to build up their countries? Also, Why did we use the atom bomb and what were the other options?
March 6, 2008

History
The surname of the king who claimed the throne in 1066 ?
February 6, 2008

MATH
a^-1 + b^-2 / a^-2 + b^-1 The answer is ab(b^2 + a) / b(b+a^2) How do I set that up and work the problem out? thanks for the help
January 13, 2008

math algebra
A train averaged 80 km/h for the first half of its trip. How fast must it travel for the second half of the trip in order to average 96 km/h for the whole trip? The answer is 120 km/ h but how do i set it up and get there? thanks for you help
January 13, 2008

Math
please check my answer thanks :) Juan bought a home with an adjustable-rate mortgage. The margin on the loan is 2.7% and the rate cap is 7.2% over the life of the loan. If the current index rate is 4.3%, what isthe initial rate of the ARM ? A. 7% B 9.9% C 14.32% My answer is I...
November 29, 2007

counting money
what bill coins could you use to show $8.60?
November 27, 2007

math
5th grade fractions least to greatest example: 7/12 _____3/9
November 26, 2007

Super Easy Science - SUPER SIMPLE QUEST`ION!!!!!
its when the reporter asks questions you can answer his/her question...
November 12, 2007

Algebra 1
Traingles C and D are similar. The area of triangle Cis 47.6in2. The base of triangle D is 6.72in. Each dimension of D is 6/5 the corresponding dimension of C. What is the height of D? How in the world do you this problem!! Please help BIG TEST TOMMOROW!!! :)
November 7, 2007

science
does the bubbles in coke disappear faster or does the bubbles in the sprite disppear faster?
September 17, 2007

American Government
These ?'s are true/false and the ones that are false I have to fill in the correct word. Can you check my answers? 1) The powerful but unofficial post of the "president of the Senate" involves steering floor action to a party's benefit. -- I say this is false...
July 16, 2007

Biostats
I am having problems in this course with following the professor. Can anyone help me with this problem Thanks need to calculate 99% CI for true mean with the following data: n=100, mean is 126 with sample variance of 402. I have to know the answer, theorems and interpret tne ...
June 7, 2007

social studies
Is King Tut and Tutankhamen the same person? Yes. http://www.google.com/search?q=king+tut&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA =)
May 9, 2007

Government!
If I could recieve some guidance on these questions, I'd be ever so grateful. 1) How can a governor's message power affect legislation in a State? 2)What does the fact that aliens generally are not allowed to vote show about American beliefs? The governor is the most ...
April 30, 2007

chemistry
If a solution has a lot of particles, is it going to have a low or high boiling point? For instance, would NaCl have a higher or lower boiling point than C12H22O11, based on the amount of particles it has (NaCl has more than C12H22O11)? Are you thinking of solutions with ...
April 19, 2007

spelling
i need to write 3 paragraphs wat should rita about how did i grown since september to this day can i have like opinion what is a negative in a sentence could it be "not"??? Thank you for using the Jiskha Homework Help Forum. Here are some negative words for you: no, ...
April 17, 2007

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