Friday
July 25, 2014

Posts by Jessica


Total # Posts: 2,603

chemistry
What mass of solid magnesium hydroxide is needed to neutralixe .385 Liters of 2.5 M nitric acid?

chemistry
what volume of .025 M hydrochloric acid will neutralize 150 milliliters of .0133 M sodium hydroxide?

chemistry
what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?

chemistry
what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?

Math
What is a good reference to use when estimating the mass of a small object?

Chemistry
If u place a metal cube in beaker as a catalyst, what effect will it have on the reaction? And why?

Pre algebra
50 * 6 = 300ft

Math
An estimate of the mass of a new, unsharpened pencil is about __________. I think it's about 35 grams? Fill in the blanks. A good reference to use when estimating the mass of a small object is _____. It has a mass of about_________. Thank you!

math
Express Courier Service has found that the delivery time for packages is normally distributed with mean 14 hours and standard deviation 2 hours. What should be the guaranteed delivery time on all packages in order to be 95% sure that the package will be delivered before this t...

Discrete Math
ok that makes sense, thanks.

Discrete Math
Find z so that 5% of the area under the standard normal curve lies to the right of z. the answer according to the book is 1.645, anyone got any ideas on how to get this?

Science
How do you create a bar graph for science?

physics 2
Three charges are placed on the y axis. One charge of -3.2 micro-Coulombs is placed at y = 0, another charge of +2.6 micro-Coulombs is placed at y = -0.29 meters, and another unknown charge is placed at y = +0.51 meters. The total force on the charge at y = 0 due to the other ...

physics 2
Two identical positive charges are placed 15 cm apart and the magnitude of the electric force between them is 5.4 Newtons. They then exchange charge (one charge loses some electrons and the other gains the same amount of electrons), but they both still remain positive. After t...

physics 2
A charge of -6.8 micro-Coulombs is placed at x = 0, y = 0. A charge of -18.5 micro-Coulombs is placed at x = 0, y = +37 cm. Another charge of -12.9 micro-Coulombs is placed at x = +17 cm, y = 0 cm. What is the angle the total electric force on the charge at x = +17 cm, y = 0 c...

algebra
the ratio of two integers is 9:7 their sum is 1024 fint the two integers?

AP Calculus
Oil leaks out from a damaged oil tanker and forms a circle around the tanker. If the radius of the circle of oil is increasing at 25m/min, find the rate of change of the area when the radius is 20km

History, social studies :)
The mughal empire gave trading rights to several EUropean countries, what assumptions about the power of those countries does this show ??

math
Zaineb is deciding whether to buy a stereo at $695 plus GST and PST now, or to invest the money to buy the stereo in a year. Her account pays 7.35% per annum, compounded monthly. If she can buy the stereo at the same price next year, how much would she save by the investing mo...

chemistry
If 8 cm3 of 9.9 mol m-3 Fe(NO3)3 are mixed with 10 cm3 of 1.0 mol m-3 KSCN solution in a 20 cm3 volumetric flask and water is added to bring the total volume up to 20 cm3, what is the concentration of the Fe3+ ions (in mol m-3)?

math
For every 3 boys at soccer camp there are 2 girls. If there are 20 children at soccer camp.How many are girls?

Social studies
Plz help

Social studies
Why did the portuguese and other europeans want slaves??

algebra 2
what is the y-intercept, the x-coordinate of the vertex and the equation of the axis of symmetry of the problem f(x)=2x^2

Chemistry
Calculate the number of grams of solid Mg(OH)2 that will dissolve in 650 mL of water. For Mg(OH)2, Ksp = 1.5 x 10-11. Assume no volume change for the solution when the solid is added. A. 0.0093 B. 0.0059 C. 0.012 D. 0.019 E. 0.060 I got 0.0059, but I'm not sure if this is ...

ECC
choie 1

Chemistry
What is the name (NOT THE NUMBER) of the group whose elements carry a neutral charge?

Chemistry
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?

Chemistry
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?

math 7 Help please!!!! ASAP!!!
Ok... I'll ask my teacher. Yes. I am in Connections Academy... why?

English writing
Yes my thesis statement is about the ways that the theme is expressed throughout characterization, setting, and by the characters actions.

English writing
Plzzzzzz fast

English writing
Please ASAP can someone give me an introductory paragraph on the Truman show and the giver with the title and author and the thesis statement ? Please just an idea I need help

english
Huswifery uses what kind of poetic device?

health
what is meant by accreditation and quality improvement practice

MATH
4 5/7 divided by 3 2/3

health
home work help-case study? you are currently working with an organisation that is dealing with some disabled clients. you have been assigned to jack, a 65 year old man with intellectual disability.you have been imformed by other staff that jack has a history of aggresive outbu...

disease
how can discriminatory attitudes impact on people with disability

math
Bernie put in a garden in her back yard. The garden has a perimeter of 272 feet. She wants to know the total surface area of the garden and all she knows is the perimeter and that the width is 20% or (1/5) of the length. (Remember 20% and the fraction 1/5 is the same decimal v...

Physics
An airplane has an effective wing surface area of 17 m2 that is generating the lift force. In level flight the air speed over the top of the wings is 63.9 m/s, while the air speed beneath the wings is 58.0 m/s. What is the weight of the plane? Answer in N

Math
Jordan starts at his home and bikes along a country road. He bikes at a constant speed. Twenty minutes later he passes Stephanie's house; he knows he is 2 kilometers away from his home. Another one of his friends, Jacob lives 4 kilometers further down the same road. A) How...

Physics
@Henry: Where the heck did you get 270??

Physics
A compound known as cubic boron nitride has a similar structure to that of. A diamond .wat properties do u expect it to have??

health
what might be collected on a social profile

PLEASE HELP ME!
A 68.6-kg circus performer is fired from a cannon that is elevated at an angle of 43.6° above the horizontal. The cannon uses strong elastic bands to propel the performer, much in the same way that a slingshot fires a stone. Setting up for this stunt involves stretching th...

English
practical

Math
Expand*

Math
how do you solve (17 - L)^2

Physics
A student sits on a rotating stool holding two 3.4-kg objects. When his arms are extended horizontally, the objects are 1.0 m from the axis of rotation and he rotates with an angular speed of 0.75 rad/s. The moment of inertia of the student plus stool is 3.0 kg · m2 and...

Math
It is a . Because ratios not only have to always be even

Microeconomics
The Burning Belly Taco Stand is considering buying some new special ovens. Each oven will cost $1,000, and will last for 2 years before it wears out. The ovens will be used to make the Taco Stands famous "Burning Ring of Fire" tacos, and will generate a value of marg...

math calculus
What value must be defined for f(4) to remove the discontinuity of this function at x = 4? f(x)= x^2-16/x-4 0 4 -4 8 -8

math
Home work help plz a)what would be the cost of the activity in the first week b)what would be the cost of the activity each subsequent week Mrs ogden has heard about aqua aerobics from her sister in law. she wants to join her sister in law and her friends in classes three time...

calculus
its going to be 32 hun

Microeconomics
The Burning Belly Taco Stand is considering buying some new special ovens. Each oven will cost $1,000, and will last for 2 years before it wears out. The ovens will be used to make the Taco Stands famous "Burning Ring of Fire" tacos, and will generate a value of marg...

Math
A rock is thrown straigh down from a height of 480 feet with an initial velocity of 16 feet per second. How long does it take to hit the ground and with what speed does it hit the ground?

Chem
Hypothesis: A prediction of what you think the results of the project will be. Write your hypothesis before you begin the experiment and, if the experiment has more than one part, you will need a hypothesis for each section. Remember to create an ‘if-then’ statement....

chemistry- What does this symbol mean
For an equation u can place electrons e-

chemistry- What does this symbol mean
U mean for the equation?

chemistry- What does this symbol mean
I don't understand what u mean with the chart but HNO2= 1 hydrogen atom 1 nitrogen atom and 2 oxygen atoms oh and electrons are the opposite of protons u can't place them with symbols like HNO2

chemistry- What does this symbol mean
Electrons have negative charge

chemistry- What does this symbol mean
Electrons

Math please help! Urgent
Thank you :D

Math please help! Urgent
Find the height of an equilateral triangle with sides of length 6 cm ' please show ur work

fraction maths
I'll help' all u need to do is ink about which fraction greater than 4/5 and it's sum gives 25 :)

Novels
Any advice for a book to read"" for a 13 year old? :) something interesting please

health
what is the cause and effect of tooth decayin elderly client

health
what is the cause and effect of mouth ulcers and sores in elderly clients

Algerbra 2
find the possible roots for: 3x^3-6x^2+11x-6=0

Math
So the question is basically asking which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Lanai - 65 - Lanaihale - 3,370 Maui - 110 - Haleakala - 10,023 Hawaii - 190 - Mauna Kea - 13,796 Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi....

Chemistry
Calculate the volume of a gas @ 20 degrees C and 640 mm Hg if it's volume is 1500 mL when collected @ STP.

Chemistry
560 mL of Xe will equal how many moles @ STP?

Chemistry
560 mL of Xe will equal how many moles @ STP?

health
Help need with scenario what reflects quality practice in palliative care? caro has noted that mrs camillero's nausea and vomiting has increased. she reports and decuments her obwervation and adds that mrs camillero has lost further weight and has increased problems with c...

Stats
I have a test on this tomorrow and I swear he didn't teach this and the book's not helping either, so maybe u can: A hwy engineer knows that his crew can lay 5 miles of hwy on a clear day, 2 miles on a rainy day, and only 1 mile on a snowy day. Suppose that the probabi...

ENGLISH/DEFINITION
The noun OUTLIER has 2 senses: 1. a person who lives away from his place of work 2. an extreme deviation from the mean Familiarity information: OUTLIER used as a noun is rare.

Math
whats factorization?

English
Can someone please proofread my essay, if so let me know and if you dont mind giving me your email address so I can send it to you Thanks

Math, algebra!! Please help!!!!!!
Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an irration...

Help, Math 8th grade!!!!!
OOHHHH LOL know i feel stupid, thank you sooo much!! Sorry if im by saying i dont get it annoyed you or made you mad in any way :)

U.s. history
3. The members of the Niagara Movement denounced Booker T. Washington’s advocacy of -gradual progress for African Americans. -immediate social equality for African Americans. -racial segregation of public schools. -African Americans running for national office. 5. The Fed...

science
What are two organisms interacting with abiotic factors in the mono lake ecosystem?

science
If I had failed to achieve a Balance in My Titration Experiment and in Actuality Over Titrated, Meaning Adding NaOH Beyond the Endpoint, then Logically the Percent Composition of Acetic Acid Would Be Greater in My Results Since Theoretically, My Results would Have Indicated th...

Can someone check these answers...
if you get the answers can you tell me? :)

Can someone check these answers...
1. Which of the following events caused immigrants to migrate north after the civil war? -the passage of the homestead act****** -the emergence of industry in cities -advances in the printing industry - the completion of the transcontinental railroad 2. Which of the following ...

Us history
Mahan* not Mayan...

Us history
Can someone please give me some information on why Alfred Thayer Mayan was for imperialism? Thanks(:

math
14 times 20 is 280.. So it comes with 280 pellets. So divide 8 by 280 and you get 35... So your answer is 35 days..

English(check my answer please(:)
1. Which of the following events caused immigrants to migrate north after the civil war? -the passage of the homestead act****** -the emergence of industry in cities -advances in the printing industry - the completion of the transcontinental railroad 2. Which of the following ...

health
your client has received a patchwork bedspread made by a friend-how would you support the client to use it

Health
how would you support a client who is frighted of the dark

biology
purpose of the special sense organs

AP Statistics
1533

biology
what is the function of pancreas

biology
what is the function of adrenel glands

Math
1. 13/5x25/39= 2.4 3/7 devide 7/7= 3.105/31 devide 5/62= 4.5 5/9x 90/100= 5. 8/7x 5/12x 3/10= 6.8x3/7=

Math Solve the following
Thanks Ms.Sue

Math Solve the following
Question: 1.Russell has a pipe that is 150 inches long. it must be cut into 3 1/8 inches segments for project. How many segments will he have? 2. Rebeckah is an elementary school teacher. she is making an individual craft project kits that requires 2/3 of a cup of water to co...

Math Solve the following
Rebekah is an elementary school teacher. She is making an individual craft project kits that requires 2/3 of a cup water to complete. How many cups of water will she nee if she i making the craft project kits for each of he24 students?

Math
can somebody please help me answer this. Thank you.Rebeckah is an elementary school teacher. she is making an individual craft project kits that requires 2/3 of a cup of water to complete. How many cups of water will she needs if she is making the craft project kits for each o...

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