Wednesday
July 27, 2016

Posts by shannon

Total # Posts: 520

Chemistry
a certain brand of laundry aid called "Oxydoodle" is 12.5% (w/w) sodium percarbonate and 87.5% (w/w) sodium carbonate. Calculate the % (w/w) h2o2 in Oxydoodle
November 22, 2010

math
A car radiator has a 6-liter capacity. If the liquid in the radiators 40% antifreeze, how much liquid must be replaced with pure anitfreeze to bring the mixture up to a 50% solutions? If I told you the answer is 1 liter, in your own words, using complete sentences explain how ...
November 17, 2010

algebra 1
What is value of x? What are you suppose to do with problem.
November 16, 2010

business ethics
Thanks for your response. I do not want you to do the homework for me. I guess I need a starting poing.
November 16, 2010

business ethics
CONFLICT OF INTEREST Big Company is a large manufacturer of health-care products that is under fire from the government to lower costs. Big Company has an excellent reputation and is widely acknowledged as one of the best managed companies in the country. In spite of its ...
November 16, 2010

business information systems
Are the alternative methods and tools: agile development, end-user development, and component-based development. I'm unsure how they differ from SDLC. Can you help me with this.
November 16, 2010

business information systems
list the alternative methods and tools for system development. How do they differ from SDLC?
November 16, 2010

Physics
Starting from rest, a 98-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 720 N, and his speed at the bottom of the pole is 3.8 m/s. How far did he slide down the pole?
November 16, 2010

MATH
A rectangular prism has a volume of 6,090 cm3, a width of 14 cm, and a length of 15 cm. What is the height of the rectangular prism?
November 11, 2010

4th grade
SIXTY SEVEN HUNDRED
November 10, 2010

HUM/205
What is the role of an artist?
November 5, 2010

math
the problem is 15x(7-7)+(5x2)= i got the answer 10 but im not sure what order i should do the operations in to get my answer? Help?
November 3, 2010

Geometry
Triangle FGH has the following side lengths: FG = 5 ft, GH = 10 ft, HF = 12 ft Triangle PQR is similar to triangle FGH. The longest side of triangle PQR, RP = 7.2 ft.
November 3, 2010

Physics
7 m/s
November 2, 2010

Medical English essay
Debby, Can you tell me were you got all your infromation for this essay?? I have to do the sameone and I am coming up empty handed.
October 31, 2010

chemistry 110
what combinations of Zn, Al, ZnSO4 and Al2(SO4)3 would you make to illustrate that Zn is less active than Al?
October 28, 2010

chemistry
write chemical equations for the reactions when you put each Al, Fe, Cu in 0.5M Al2(SO4)3
October 28, 2010

chemistry
Zn is less active than Mg. Write the equations describing what occurs when ou mix: a)Zn with 0.5M magnesium chloride, MgCl2 b)Mg with 0.5M ZnCl2
October 28, 2010

elementary
1.)Measurement of a television if it is approx. 18.5 inches high and just over 26 inches wide, How should the size be advertised in a store, rounding to the nearest whole number? 2.)A TV store owner wanted to make a shelf to display television sets. How long should he make the...
October 28, 2010

Science
What is an area without pressure called?
October 27, 2010

Physics
ok and if i have more then two distances then do i add all 3 then divide??
October 13, 2010

Physics
A person walks 8.4522x10^1 m East, then turns around and walks 7.8409x10^1 m West. The total time to walk this distance was 8.7343x10^2 s. What is the speed of the walker, expressed to 3 significant figures?
October 13, 2010

Physics
In 1998, NASA launched DS-1 (Deep Space 1). This spacecraft successfully flew by the asteroid 1992 KD. The propulsion system worked by ejecting argon ions at high speed. The propulsion system could increase the velocity by 7.2284x10^0 m/s per day. What was the average ...
October 13, 2010

Physics
In 1998, NASA launched DS-1 (Deep Space 1). This spacecraft successfully flew by the asteroid 1992 KD. The propulsion system worked by ejecting argon ions at high speed. The propulsion system could increase the velocity by 7.2284x10^0 m/s per day. What was the average ...
October 13, 2010

Math
An experiment has three possible outcomes: A,B, and, C. If P(A)=P(B) and P(C)=2P(A)what is the probability of each event? Hint: We know that in this case, P(A)+ P(B)+P(C)=1; therefore,P(A)+P(A)+2P(A)=1 Please Help :)
October 12, 2010

chemistry
when a student removed the crucible cover afer the first strong heating in creating magnesium oxide, some of the white was knocked from the cover to the floor and was lost. did this loss cause the calculated number of moles of oxygen in the compound to be too high or too low?
October 4, 2010

9th grade
The islamic ...and Arabic ... held the empire together
September 28, 2010

economics
What is one kind of monopol that the U.S. government generally permits?
September 24, 2010

vocabulary
i need to put outwit in a sentence
September 23, 2010

algebra
Solve by the elimination method: 0.3x-0.2y=4 0.4x+0.5y= -29/19 (fraction)?? Please Help I do not understand Algebra!!
September 18, 2010

geology 101
how do fossils help in determining the relative age of strata? Are the three different localities around the same relative age? Explain your response
September 17, 2010

math
name three numbers between 0.33 and 0.34
September 15, 2010

science
what is a control?
August 26, 2010

Math
$100 is deposited in a savings account that pays 4% interest compounded annually. A) how much is in the account after 5 years? B) use logarithms to determine how many years it will take for the account to grow to $1000. Could someone show me how to do this step by step? Thank you
August 23, 2010

Math Word Problem
The area of a rectangle is 99 ft2 , and the length of the rectangle is 7 ft more than twice the width. Find the dimensions of the rectangle.
August 22, 2010

Chemistry
Suppose you are given a sample of a homogeneous liquid. What would you do to determine whether it is a solution or a pure substance?
August 15, 2010

computer science
hi i'm taking compsci and I need someone to give me some examples of these classes, thanks! You will have to write a class to represent one of the following items. Note that each class must a proper constructor even though the constructor is not explicitly named. 1. a ...
May 28, 2010

calculus
p(x)=5x^3-4x^2+20-16 use synthetic division to show that x=2i is a zero of p(x)
May 26, 2010

chemistry
what type of intermolecular force describes the interaction between Ca2+ and Mg2+ with water? a. dipole-dipole b. hydrogen bonding c. ion-dipole d. London dispersion
May 11, 2010

chemistry
if you burned a marshmallow with a net mass of 0.8g and you heated 49.1 g of water from an initial temperature of 24C to a final temperature of 28C what is the heat energy per gram of marshmallow? (express your answer in J/g) a. 822 J/g b. 1027 J/g c. 4.184 J/g d. 7210 J/g
May 10, 2010

chemistry
the answer I got was 52.9... right??
May 10, 2010

chemistry
when a 0.4-g almond sample is burned the heat gained by the water is 7525.4 J and the temperature of the water increased from 24 C to 58 C what was the mass of the water in grams? a. 50 b. 100 c. 45 d. 52.9
May 10, 2010

nutritian
What is responsible for one food item to have higher energy content than another? a. lower fat content b. higher fat content c. lower carbohydrate content d. higher carbohydrate content
May 9, 2010

nutritian
what is responsible for one food item to have higher energy content than another? a. lower fat content b. higher fat content c. lower carbohydrate content d. higher carbohydrate content
May 9, 2010

chemistry
is the burning of a marshmallow a(n) endothermic or exothermic process?
May 9, 2010

science
Create A 7- To 10-Slide Powerpoint® Presentation That Describes Environmental Benefits And Challenges Of Urbanization. In Your Own Words, Include Descriptions Of Two 1996 Award Winners, Discussing How They Overcame One Of The Challenges Mentioned In Your Presentation.".
April 13, 2010

science
Create A 7- To 10-Slide Powerpoint® Presentation That Describes Environmental Benefits And Challenges Of Urbanization. In Your Own Words, Include Descriptions Of Two 1996 Award Winners, Discussing How They Overcame One Of The Challenges Mentioned In Your Presentation.".
April 13, 2010

world liturature and language
Write a three-paragraph comparison between themes in Márquez's "Old Man" and Kafka's "The Metamorphosis".
April 8, 2010

8th grade
is a shortage of tyrosine the cause of albinism? can u explain the answer.
April 4, 2010

Microbiology
If a culture starts out with 1000 cells and after 8 hours there are 64000 cells, how many generations have occurred? A. 4 B. 32 C. 6 D. 64 E. impossible to determine
March 30, 2010

computers
Average typing speed for middle school
March 20, 2010

Penn Foster
X-rays or are diagnostic tools used to visualize internal organs
March 17, 2010

chemistry
How do I find n?
March 8, 2010

chemistry
What volume of O2 gas, measured at 297K, is needed to completely burn all the methane (CH4) in a 3.00L container at the same T and P?
March 8, 2010

chemistry
A gas that occupies a volume of 6.75L at 89.0atm will occupy what volume at 68.55mm Hg if the temperature remains constant? (89.0atm/0.09atm)*6.75=6,680 V2=6680 Is this right??
March 8, 2010

chemistry
how do I convert 17.4 cubic ft into liters?
March 8, 2010

chemistry
A gas that occupies a volume of 6.75L at 89.0atm will occupy what volume at 68.55mm Hg if the temperature remains constant?
March 8, 2010

chemistry
Thanks for your help DrBob but the equation given is the one my teacher gave us. I just balanced it and I am not sure where I went wrong. I understand how to do the rest of the problem. I just need help to balance the equation.
March 8, 2010

XACC 280 (accounting)
Did you find this..i need it also..
February 28, 2010

math
One year interest of $500 on an investment of $5000
February 22, 2010

Math
A tourist in Ireland wants to visit seven different cities. If the route is randomly selected, what is the probability that the tourist will visit the cities in alphabetical order?
February 21, 2010

statistics
A test given to a class reveals most did well but a few did poorly. what is the distribution of the test scores?
February 12, 2010

Math
judy and ramey together have 42 stuffed animals. judy has 12 fewer animals than ramey. how many stuffed animals does each girl have?
February 4, 2010

medical coding
The E/M codes are grouped by location or type of care and may have further subdivision, such as new patient and established patient visits. The layout of the code criteria is consistent with clarifications in a paragraph, the CPT code with description, the components required...
February 2, 2010

Health Physics
As one exhales, what change in energy takes place between the diaphragm and the air in the lungs?
January 23, 2010

Health Physics
A particular machine has "mechanical disadvantage". What is the purpose of using such a machine?
January 23, 2010

Health Physics
A machine is used to either do work or to convert energy. To find the efficiency of a machine, one must compare the power input to the machine to the power output of the machine. What does thepower take into account in addition to the amount of work done or the amount of ...
January 23, 2010

Health Physics
What type of machine are the joints of the human body?
January 23, 2010

Health Physics
The body can release 20,000 J of energy for each liter of oxygen consumed. How much oxygen must be consumed by the body to release the energy present in a typical 2000 Cal diet?
January 23, 2010

Health Physics
What is the name of the company that all "good" machines are made of?
January 22, 2010

Health Physics
As a result of doing work, a person supplies a machine with 1100 J of energy in 12 seconds. The machine in turn does work and delivers 900 J of energy in 14 seconds to some object. What is the efficiency of this machine?
January 22, 2010

Health Physics
The body can release 20,000 J of energy for each liter of oxygen consumed. How much oxygen must be consumed by the body to release the energy present in a typical 2000 Cal diet?
January 22, 2010

Health Physics
What is the purpose of the metabolic process(combustion process)?
January 22, 2010

Health Physics
What type of machine are the joints of the human body?
January 22, 2010

Health Physics
What must a muscle do in order to work?
January 22, 2010

Health Physics
A machine is used to either do work or to convert energy. To find the efficiency of a machine, one must compare the power input to the machine to the power output of the machine. What does thepower take into account in addition to the amount of work done or the amount of ...
January 22, 2010

Health Physics
A particular machine has "mechanical disadvantage". What is the purpose of using such a machine?
January 22, 2010

Health Physics
Why is the property of energy so important in nature?
January 22, 2010

Health Physics
When work is done by friction, in what form in energy "lost"?
January 22, 2010

Health Physics
As one exhales, what change in energy takes place between the diaphragm and the air in the lungs?
January 22, 2010

Health Physics
As the shape of the diaphragm is changed dueing respiration, what does it possess?
January 22, 2010

Health Physics
As the muscles attatched to the diaphragm pull the diaphragm downward during respiration, what are the muscles doing?
January 22, 2010

Health Physics
As air moves into the lungs, what does the air possess?
January 22, 2010

Health Physics
The human body is 20-25 percent efficient. In what form is energy lost?
January 22, 2010

11th grade
How do you draw the Lewis Structure for SO4,SF6,NH3 and H2S
December 15, 2009

HCS/320
Would you communicate with professional healthcare providers via two-way interactive television? In what ways might your communication be different that if you were in the same room?
December 9, 2009

calculus
integrate x*(x+1)^9dx I believe the substitution method is the proper way?
December 6, 2009

Law
Dr. Bod is operating on Sally, a minor, when he discovers a previously unknown and life thretering tumor that could cause Sally's death within hours. Sally's parents are in the waiting room. Dr Bob should
November 27, 2009

spanish
what does chinga usted mean
November 4, 2009

Social Studies
Describe two ways sone caribbean familys preserbe their cutrial traditions
October 20, 2009

math
5y+2(6+3y) 0
September 22, 2009

geometry
Diagonals of an isoseles trapezoid are perpendicular always,sometimes,or never.
September 3, 2009

science
why is water blue?
July 23, 2009

geometry
Find the volume of a rectangular solid with the following dimensions: 2.3 cm x 4.6 cm x 7.8 cm
July 13, 2009

business math
the section of an invoice that lists the date of the payment and the cash discount is called what
July 12, 2009

business math
chicken delight sells whole-chicken dinners for $12 and half-chicken dinners for $8. yesterday they sold a total of 400 dinners and took in $4200. how many of each size dinners were sold?
July 12, 2009

business math
a software buyer is looking for a product to retail for $230. he wants to apply a markup of 38% (based on selling price) to the product. allowing for this markup, what is the maximum amount the buyer can pay for the software?
July 12, 2009

math
what would be the amount of compound interest on %6,000 invested for 2 years att 9%, compounded semiannually? round your answer to the nearest dollar
July 11, 2009

math
a retail jeweler sells a pair of gold earrings for $213.90. The jeweler uses a 130% markup based on cost. Based on this information what was the wholesale cost of the earrings?
July 11, 2009

math
merchandise was purchased at list for $3,460 with a single trade discount of 23%. What was the net price of this merchandise?
July 11, 2009

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