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Posts by elizabeth

Total # Posts: 1,053

Chemistry
Write a balanced chemical equation for nitrogen gas reacts with oxygen gas to produce nitrogen dioxide gas

chemistry
Determine the ammoint of lead precipitate in grams that can be produced from 50 grams of ammonium chloride and excess lead II nitrate

Math
40% equals .4 and 4/10 which can be reduced to 2/5

Math
yes 1/7 is less then 1/6

Health
In the market for health insurance, what kind of asymmetric information causes adverse selection? Explain.

Healthcare
Give three examples in which the health provider has information that is unavailable to the health consumer.

Healthcare
Give three examples of asymmetric information in which the health consumer has information that is unavailable to the health provider.

ethics
Try the adc(.)org website

chemistry
Aqueous solution with a pH of 10.6 is diluted from 1 L to 1.5 L. What is the pH of the diluted solution?

chemistry
what is the pH of .28 M HNO3 (aq) at 25 degree celsius? (Kw = 1.0 x 10 ^-14)

7th Grade Math
Find the area of the circle described. Use pi= 22/7. Diameter= 1.4cm Please help!

chemistry 101
1008 cCal

physics
(4pi*10^-7)(4.8*380/.32) =____mT

Math
Use the rules of exponents to simplify each exponential expression. Your result cannot contain any negative exponents. Thank you for your help. (2m^2)^3 (4x^2y^4z^7)^0

ENGLISH
What do you think of when you hear the term academic honesty? How does knowing the difference among original ideas, common knowledge, and plagiarism help you stay honest when you write an academic paper? What are some of the consequences of not being academically honest?

Chemistry
The vapor pressure of CCl3F at 300 K is 856 torr. If 11.5 g of CCl3F is enclosed in a 1.0 L container, will any liquid be present? If so, what mass of liquid?

7th Grade Literacy
What are 3 IMPORTANT characteristics that a class president needs? Please answer!!

geometry
How do you draw 224 degree angle???

Science
Yes it does.

7th grade Literacy
What are the characteristics that make a good class president? Please answer!!!

Chemistry
Please help me !! Frequently in the distillation of methanol and water, the methanol distillate appears cloudy. To what might you attribute such an observation? Thanks.

Biology
The mitotic process provides a mechanism by which cells should be able to transfer their genomic contents from cell generation to cell generation without error or change. is this inviolate?

Biology
Where in the cell cycle can one find the phragmoplast? What is it's probable function?

Chemistry
Please help me Sketch a separation scheme showing how you would separate the following two component mixture: m-nitroaniline and hexanol. All the substances are soluble in ether. You can use any of the following solutions in your separation: aqueous hydrochloric acid, aqueous ...

Pre-Algebra B
5 | 4,5,5,6,6,6,7,8,8,9 6 | 0,0,1,1,2,2,2,3,4,4,4,5,6,7 7 | 0,1,1,1 How do you find the mean of this stem-and-leaf plot? Please answer!!

Mathematics in Economy
I'd like to add that the '2' after x and y means 'squared'.

Mathematics in Economy
A firm produces two different kinds A and B of a commodity. The daily cost of producing x units of A and y units of B is C(x,y) = 0.04x2 + 0.01xy + 0.01y2 +4x + 2y +500 Suppose that firm sells all its output at a price per unit of 15 for A and 9 for B. Find the daily ...

Geometry
If each side of a regular pentagon is x^2 + 17 and each side of a regular hexagon is x^2 + 2x, for what value or values of x will the perimeters of the figures be equal?

math
Quadrant 2

reading response to the personwho answered this
thank you!! Ireally apreciate it!!

reading
when a prarie fire approached,farmers set __. What would it be? Please help me!!

pre-algebra B
Milli tosses a coin and a six-sided die.The numbers on the die are 1 through 6. What is the probability that Milli will toss a tail and roll an odd number?

english
Is there an adjective to describe someone who performs critical thinking?

math
evaluate the expression for the given value of the variable p + 13 when p = 8

Pre-Algebra B
The selling price of a bicycle that had sold for $220 last year was increased by 15%. What is the new price? Please answer within 5-10 minutes.

math
a ski slope at a mountain has an angle of elevation of 25.2 degrees. the vertical height of the slope is 1808 feet. how long is the ski slope. show diagram

SCIENCE
HOW COULD MEASURING THE ORBIT OF A COMET HELP SCIENTISTS UNDERSTAND WHEN IT WILL NEXT BE VISIBLE FROM EARTH?

math
When a coin is tossed four times, sixteen equally likely outcomes are possible as shown below: HHHH HHHT HHTH HHTT HTHH HTHT HTTH HTTT THHH THHT THTH THTT TTHH TTHT TTTH TTTT Let X denote the total number of tails obtained in the four tosses. Find the probability distribution ...

Math
Determine whether the situation calls for a discrete or continuous random variable. 8) The cost of a randomly selected orange 9) The pH level in a shampoo 10) The braking time of a car 11) The number of field goals kicked in a football game

Physics
OK i have one attempt left, first i change the gauge pressue to newton/m^2? And since P= F/A solve for A after making f = 1440*g? Theni have to divide it by 4 for every tire? but im having trouble with conversions, and my final answer being in cm^2. SOOO confused

Physics
Hi I tried asking this question yesterday but still had some confusion.Since the area must be in cm^2. IP The weight of your 1440 kg car is supported equally by its four tires, each inflated to a gauge pressure of 30.0 lb/in^2 . What is the area of contact each tire makes with...

Physics
so if the answer wants cm^2 what would be the conversion?

Physics
Hey can someone help, im having trouble converting alot. IP The weight of your 1440 kg car is supported equally by its four tires, each inflated to a gauge pressure of 30.0 lb/in^2. What is the area of contact each tire makes with the road? What gauge pressure is required to ...

6th grade
what are the parts of a plant cell

Pre-Algebra B
Find the area of a circle whose radius is 12.7 cm

Computer Science
What is the halting problem? What does it have to do with self referential paradoxes? How do I make sense of this? "So suppose I have a black box which can decide the halting problem, that is I can give it a program P and the box tells me if P will ever stop. Using this I...

Physics
The applied force is W = Fdcos(theta).

physics
A 10g marble is spun so that it rolls at 150rpm around the inside of a steel tube. The tube has a 12cm diameter. Assume the rolling resistance is small enough for the marble to maintain 150rpm for several seconds. During this time, will the marble spin in a horizontal circle ...

physics
A 30g ball rolls around a 40cm diameter L-shaped track at 60rpm. What is the magnitude of the net force that the track exerts on the ball? rolling friction can be neglected.

Pre- Algebra
-6x-15>57

Math (calc)
yes that's what I thought. Thank you!

Math (calc)
Given the function: f(x)=x^3(x-2)^2 , on the interval [-1,3] find the domain and Asymptotes ...Isn't the domain (-1<x<3) ? and as for the asymptotes I thought you could only find them for rational functions and since that function is not rational I guess there aren&#...

Chemistry
I want to say the answe is A although I am not sure I could be wrong it has been almostlittle over 20 years since I have been in school

Earth Science
Earth is always changing. What are two forces that cause the earth's surface to constantly change and what are their effects on the planet? Please answer within a few minutes.

Life Science
By living in areas where other organisms inhabit,humans change the environmental conditions for those organisms. Describe two ways humans impact the environment and what the effects are on the earth? Thesse can either be positive or negative. Please answer in a few minutes.

Math
This is the layout of the McDougal's backyard.The scale is 1 centimeters to 5 centimeters.The actual area of the pool is 375 square meters.The length of the pool is 25 meters. How do I find the area of the pool on the layout?

Math
45?

Math
This is the layout of the McDougal's backyard.The scale is 1 centimeter to 5 meters.The length of the deck on the layout is 7 centimeters.The width of the deck on the deck is 2 centimeters. What is the actual perimeter of the deck? Pls answer within the next minute and ...

Math
96 my multiplication was wrong.Sorry

Math
9.6 Thanks!

Math
Round your answer to the nearest whole number when necessary. In a basketball game,Ivring scored 80% of the teams points.If team as a whole scored 120 points,how many points did Ivring score? PLS answer within the next minute!!

physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...

physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...

Computer Science
Running time is 1,2,3,4,5,6,7,8,9,10. It sll got put together, but really those numbers are separate from the n numbers

Computer Science
I am learning in my computer science class about algorithms. My teacher wrote on the board: n= 1 running time= 1 3 1+1= 2 7 1+2= 3 15 1+3= 4 31 1+4=5 63 1+5= 6 127 7 255 8 511 9 1023 10 How in the world does this happen? It has something to do with log n steps. I don't ...

4 grade FL social studies weekly
Do you know how Fort Caroline and Missions San Luis are alike.

Biology
solid, liquid, gase

biology
studying genetics in mammals where can i find out about felines and canines that are proven mainly allergen free, thought not genetically modified?

algebra
Do you know where I can get this worksheet online to print?

English
Thank you Ms.Sue But then on this one: Many stories have been written about the old Spanish Main. The simple predicate would be: "have been written"? Thanks and have a good one.

english
I need to find the simple subject and simple predicate: Every sentence should begin with a capital letter. I know that "sentence" is the simple subject but I'm not sure if the simple predicate must include the word "should" or if it's just "...

psychology
•Describe neurotransmitters. Explain what they are, their function within the body, and their impact on behavior. •Describe the connection between neurons and neurotransmitters. •Choose two neurotransmitters and discuss their function within the body. Discuss ...

Science
thanks.:-)

Science
What is an energy production pyramid??

Social studies
Yeah. They lived in the Southweast which is a desert. Then, the correct answer is A.

Social studies
C

Social studies
Why did the ancient puebloans most likely use materials other than wood to build their homes? A. Few trees grew in the dry climate in which they lived B. Wood was considered too sacred to use for building C.They were nomads and needed to move their homes quiclky D. The Ice Age...

10th grade
explain how to add measurements of segments 18.4 4.7 p to q to s

math
60

Math
Linda got a math test handed back to her and got a 96% on it. However she lost the test, not knowing what she got. If she knows that she scored a 43 on the test then how many 1- mark questions are there on the test?

Maths
What is 6:1/2= 6:12= 6:2= ?

Math
i do not understand what you are saying...i need to find the probability of getting 2heads combined with rolling a four on a number cube

Math
2 coins and 1 six sided cube are tossed. What is the probability of getting two heads and and a four?

12th grade
what are substitutes

Accounting
prepared an adjusted trail balance, journalizing, posting and prepaid a financial statements would be completed last

Chemistry I
A scuba diver's tank contains 0.23 kg of O2 compressed into a volume of 3.5 L. (a) Calculate the gas pressure inside the tank at 11°C. ________atm (b) What volume would this oxygen occupy at 20°C and 0.92 atm? ________L what are the formulas for this problem?

Chemistry
ok so... sqrt(3 x 8.314 x 289/146.056) = 7.025 m/s is that right?

fractions in input output table
what is the rule for the input and the output

math
what is the equation for the function table X= 4 5 6 7 12 Y= -2 0 2 4 ?

Math
Find the distance between A and B, where A and B have the following coordinates: A(–3, 5); B(5, –8). Show your work by using the notation sqrt( ) for square root.

science
your mama

algebra 1p
5(x-3)-3(x-1)

first aid
laceration to foream which is actively bleeding. what should the - Immediate action to pervent further injury. How to assess the injury first aid procedures the next stage what happends to the casualty? and How?

sports
why is strenght endurance speed flexibility body composition agility balance co-ordination power reaction time all important to an athlete

science
I have a bill like a duck, But the hair of a mammal i lay eggs like a bird, But I nurse my young what am I?

biology
the process of disjunction occurs during what?

sport
why will these lifestyle factors effect performance in sport. smoking drinking stress diet.

chemistry
Calculate the molarity of a solution that contains 64.0 g Al2(SO4)3in 340.5 mL water.

business law
where do i go to find stuff on lawfirm expanding to nearby ciy and staes

medical
hi my friend has moved to spain and has taken ill they say she has FEBRA but know one knows what this is any help would be greatfull

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