Sunday

April 20, 2014

April 20, 2014

Total # Posts: 533

**8th grade American History**

an artificial waterway constructed to allow the passage of boat or ships

**math**

How do you multiply -3/5 by -3 and write it as an improper fraction?

**College Chemistry**

The value of ΔG°f at 25°C for gaseous mercury is 31.85 KJ/mol. What is the vapor pressure of mercury at 25°C? [Hint: calculate the Kp for the reaction Hg(l)=Hg(g)]

**algebra**

The length of a rectangular field is 50 meters more than twice its width. If the perimeter is 700 meters, find the dimensions of the field.

**Chem**

Can you please tell me if these are right? A gas has a volume of 2.8 L at a temperature of 27 degrees C. What temperature degrees C is needed to expand the volume to 15 L? (P and n are constant.) I got 1334 degress C Combined gas law problem a balloon is filled with 500.0 mL i...

**Math**

How do I make a bar graph with this? Mass Distance Mass Distance Empty Full 161 456 420 546 161 273 420 455 161 456 420 456

**AP US Hist**

What are three reasons the Seven Years' War led to the American Revolution?

**math**

i am a decimal with my last digit in the hundredths. rounded to the nearest tenth. I am 6.5. Rounded to the nearest whole number. I am 6. if the sum of my digits is 16. what number am i?

**8th grade**

Robert Samson-owner of the Samson plantation and father to Timmy and Tee bob and Miss Amma Dean- wife to Robert Samson and mother to Tee bob

**Space Science**

Which objects in the solar system have been least modified since the formation of the solar system? a)asteroids b)Kuiper Belt objects c)meteoroids d)terrestrial planets e)jovian moons

**Chemistry**

I need to work out a mechanism for the synthesis of 2-cyclohexylpropanal. I am not sure what the reaction is to make this or what reagents to start from. I thought that maybe it could be an aldol reaction starting from cyclohexanone and propanal but I'm not sure if this wi...

**math**

ok wow your weird

**Philosophy**

How would Hume criticize a proof of God (St. Anselm or St. Aquinas)? 2-3 pages min 500 word essay with quotes.

**EARTH SCIENCE**

You are given a 6-month assignment by your employer to work at a remote location in Australia. In order to pack as lightly as possible, you try to research the climate of a small town in Australia. There is little data since no major cities are located within 300 miles of the ...

**geometry**

Point P lies in plane M. How many circles are there in plane M that have center P and a circumference of 6ㅠ inches? a) none b) one c) two d) four e) more than four

**math**

5/0=undefined

**math**

Remember m is the slope and b is the y-intercept So first isolate y, 5x-2y=-1 -2y=-5x-1 y=5/2x+1/2 Therefore, the slope is 5/2

**math**

yeah, true. For x intercept, sub y=0 into the equation, and you'll get 13/8 For y intercept, sub x=0 into the equation and you'lll get 13/3

**Lit.**

Thanks again! (-:

**Lit.**

The rising action in a drama usually happens near the beginning. True or False? Is it True? Thanks in advance.

**history**

Compare England in the 17th century with other absolutist regimes on the continent of Europe. How did the English situation differ from that of absolutist states? What was the major reason for England’s exceptional situation?

**history**

How and why did England avoid the path of absolutism?

**Chemistry**

200 g of a non-electrolye is dissolved in 1000 g of water. The boiling point of the solution is then measured to be 101.5 C. What is the molar mass? (the Kb for water is 0.51 C/m) I know deltaT = 0.51 C/m but where do I go from there?

**Chemistry Bonding**

Scandium Sulfide. Would i be correct in thinking that the bonding associated with this compound is Ionic. I think this as the two ions involved are oppositely charged? If im wrong could you please tell me why. Thanks so Much in Advance.

**algebra 2**

3b^2+15b/2b^3-50b

**Algebra 2**

how to simplify algebraic fractions?

**life science**

how have case studies been used to help develop our understanding of how the brain works?

**microbiology**

whats the 3 major roles the microbiology laboratory (microbiologist) is involved with in the diagnosis of bacterial infections.

**algebra**

An object is released into the air at an initial height of 6 feet and an initial velocity of 30 feet per second. The object is caught at a height of 7 feet. Use the vertical motion model, h = -16t^2+vt+s, where h in the height, t is the time in motion, s is the initial height,...

**Voltage difference**

I am trying to understand what the effects of a voltage difference would have in the method of electrostatic charge spray painting.. Any one?

**Science PHYSICS**

Ok thanks, so the transfer of energy is work done by the body? to clarify ... As the diver walks up the steps chemical energy is transferd through work and converts into GPE and kinetic energy. what is the energy transfer to begin the dive? chemical? once the dive has begun GP...

**Science PHYSICS**

but kinetic is used to get to the top of the steps?

**Science PHYSICS**

I am trying to gain a understanding of the transfers and conversions of energy whilst the subject (being a diver) goes through its motions. Maybe i should be clearer .... SO as the diver makes his way to the top of the steps chemical energy is transferred from the body to the...

**Science PHYSICS**

Hi there, would someone be able to tell me if this is right or almost right or really not right?! The scenario being explaining the transfers and conversions of energy of a diver. from walking up the steps to standing at the top of platform to jumping into pool and to start sw...

**science**

how do you find the power when they give you random weird information

**trig**

hey. show 2sin(pi/14) is a solution to x^3-x^2-2x+1=0 and hint: let x=2sinu and sin(7u)=1 i can't seem to solve when i sub in the x value. how can i relate this to the seventh root of inifinity. i multiplu by sin^4 but they it just doesnt work.

**Chemistry**

What would be the product of the reaction of 4-methyl pyridine with Ac2O/AcOH and PhCHO? I'm really stuck on this. I'm guessing the pyridine will attack the anhydride and form an acyl pyridinium ion but I'm not sure where to go from there. If that reacts with AcOH ...

**physics**

If you throw a ball straight out horizontal to the ground and your friend drops a ball from the same height, will the balls hit the ground at the same time?

**science**

Between 1960 through 1980 which year produced the greatest percentage of fish?

**Math**

show me the steps to solving this problem? 3k/5+44=12k/25+8

**social studies**

athensm had the first democracy or monument ?

**Chemistry**

What would be the product of a reaction between methanal and pyrrolidine in acid? I know that normally a reaction between a carbonyl and a secondary amine would form an enamine. Here I am confused because there are no hydrogens that can be removed to form the enamine as this i...

**Organic chem**

Why can't anybody help me?

**Organic chem**

Suggest a reason why the trans form of benzalacetophenone if formed in prefernce of the cis form. What does the cis form of this compound look like?

**quantum mechanics**

Write the Hamiltonian operator for 2 electrons in a 1D box of length a. I know that the Hamitonian is a sum of the kinetic and potential energies. I was thinking that for 2 electrons in a 1D box it would be: -2((hbar^2)/2m_e)(d^2/dx^2)) + Coulomb interaction for 2 electrons I ...

**astronomy Confuse**

Time dilation is the theory of time relative to motion. It is the principle that time elapsed is relative to motion, such that time passes more slowly for a system in motion than for one at rest relative to an outside observer. Further, as predicted by Einstein's special t...

**Geology**

Im after info that will help me answer what the relevance of the age of the oceanic crusts and the continental crusts within the south american plate Are there presence of hotspots on the south american plate? what is the process that is responsible for the change in area of t...

**Science PHYSICS**

THANK YOU what is the magnitude of acceleration that the force 5.0 x 10³ N causes when applied to a vehicle with a mass of 1.1x10³kg??? How do i present the answer for this ?

**Science PHYSICS**

SO desperate with help with this. What is the magnitude of the acceleration that this force will cause when applied to a car with a mass of 1.1x10³Kg Then calculate the final speed of the car (above) assuming that it was standing still initially and that the force of 5.0 ...

**7th grade science**

what is the position of the diaphram when you make it inhale and exhale?

**Chemistry**

OK thank you so much! I was wondering whether or not there would be 2 OH ions to account for. Thanks again!

**Chemistry**

If 4.56 grams of NaOH and 56.3 grams of Ca(OH)2 are added to enough water to make 1.50 L of solution, what will the pH be?

**Chemistry**

I have some enthalpies of formation for a reactant and transition state but calculated using different computational methods. I want to find the ratio of the forward rate constants determined using both methods but I'm not really sure how. I thought I could maybe use trans...

**Chemistry**

Iron metal is dissolved in dilute aqueous HCl. The resulting solution is warmed with dilute nitric acid and then treated with aqueous potassium iodide. Write equations for the reactions. Ok so for the first step I got: Fe + 2HCl --> FeCl2 + H2 I'm guessing that when nit...

**Chemistry**

I'm trying to write an equation for the reaction of zinc nitrate with aqueous ammonia. I know that zinc hyroxide is produced first but I don't really know how to write an equation for this. This is what I came up with: Zn(NO3)2 + 2OH- --> Zn(OH)2 + 2NO3- I'm not...

**Paragraph**

elisabeth ur sentence is way better compared to mine, thanks B.F

**Paragraph**

Satisfy me by improving this and I'll be thankful to you 4ever. In the following paragraphs I will be talking about her life, where and who she performed with, which songs she sang, and what awards she won, and her charity work. It seems like Im missin something around in ...

**Maths (limits)**

for the first question, use ur GC (graphic calculator), u can see frm the table function that answer is 0.2 for the 2nd one, it is to say 2+lim(100/x)=2

**Maths**

1. list all the possible ages of the children (you don't need to, cos i've done it for you) - eg. (1, 1, 11) (1, 2, 10) etc 2. if you list all this, you will find that there are 2 answers that give a solution of 36. these are: (6, 6, 1) and (9, 2, 2) 3. the master says...

**Finance**

Bunyan Lumber, LLC, harvests timber and delivers logs to timber mills for sale. The company was founded 70 years ago by Pete Bunyan. The current CEO is Paula Bunyan, the granddaughter of the founder. The company is currently evaluating a 5,000 acre forest it owns in Oregon. P...

**6th grade math**

Thank you Ms. Sue

**6th grade math**

how do you find the reciprocal of 0.68?

**business**

Suppose I am a cashier working at McDonald's. What are their levels of management and organizational structure, managerial levels and positions?

**business**

What basic characteristics are needed for a shoe salesman to achieve a good person-job fit?

**business**

What basic characteristics are needed for a shoe salesman to achieve a good person-job fit?

**English**

I just took this test and answered 5 and got it wrong.

**Expression**

I have to introduce myself (character, life) in an original way and I haven't got a clue how to do this. I'm not a very creative person and time is ticking. It's stressing me out. Anyone got ideas ?

**6th Grade Math**

OK THANKS EVERYONE WHO HELPED MY SISTER SAYS THANKS TOO!!!!!<3

**6th Grade Math**

Ok i need to know what 2 3/6 + 3 1/2 is 4-2 3/5 and 2/3*4/5 is because i forget how to do adding subtracting and mutiplying fractions

**7th grade math**

suzanne earns s dollars per year.Francine earns f dollars per year.How much more money does Francine earn than suzanne?

**7th grade math**

add t and m. how much greater than w is the sum?

**7th grade math**

when p is subtracted from a certain number, the difference is 50. Find the number.

**7th grade math**

when s is added to another number, the sum is 26,493.what is the number?

**chemistry**

given 40.0g of iron, how many grams of iron II oxide are produced.

**7th grade science **

If an organism expresses a recessive phenotype can you tell the genotype? Explain, include one example in your response.

**7th grade science **

What is an example of genetic engineering helping people ?

**info**

What does Kamloops mean in native dialect?

**science**

compare inheritance by multiple alleles and polygenic inheritance

**Math**

Laurie expects to make $100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?

**science **

compare and contrast mitosis and cell divison

**science**

how is Dna copied?

**7th grade science **

name two scientest who studied inherited genetics and what they used for research and why

**7th grade science **

name 2 scientest who inherited traits

**Chemistry (physical)**

At room temperature (25 degrees C) butane is a mixture of 72% anti and 28% gauche conformations. Calculate the difference in energy between the gauche and anti confromations. This is how I calculated it but I am not sure I am right: Boltzmann equation: N2/N1 = exp(-(E2-E1)/RT)...

**Healthy Decision Making**

1.Wear a seatbelt in car 2.Don't play with fire 3.Wear a helmet when biking,etc. 4.Always have your shoelaces tied

**science**

Mitosis: Number of chromosomes in cells production Meiosis: Number of chromosomes in cells production.

**Quotes**

Awesome:-) these quotes are really good. I'd love to see more from others. please keep posting, thanks.

**Quotes**

I would like to know everyone's favorite quotes. My favorite quote is: This is a miracle that happens everytime to those who really love; the more they give,the more they possess. Out of all the quotes, I have to pick top 6, and then everyone in my class will vote for the ...

**philosophy**

what are your answers?

**english**

not illusory

**7th grade**

can you post those vocabulary words on here, maybe I can help.

**Riddles**

I would just like to know that say I need help on a riddle urgently, would i post it on Net Riddle to recieve help?

**Twilight**

I have to do this writing assignment on anyone I want to. I really like Bella from the movie twilight so i am doing this on her. I have to describe her and all. I already know how she is from my point of view, but I would like to know how she is from yours. so please describe ...

**Twilight**

thanks, more ratings will be appreciated from others

**Twilight**

I would like to know everyone's opinion on Twilight. rate from 0 to 5. We are supposed to pick one topic, it can be on anything, so I chose twilight. I just need the average rating,thanks.

**math**

Kevin makes $5.25 per hour he worked 18.25 hours. What is the best estimate of the amount of money he made? Do you just divide the 2 numbers?

**Math**

Faryi averaged 50 mph on trip to visit an amusement park 80 miles away and started with a full tank of gas. Her car usually averaged 25 mph each time she purchased. The gas price $2.65 par gallon when she got home. Calculate Faryi’s time ( in minutes) and the cost to fill...

**math**

In the year 1910, many people immigrated to the United States-460,935 from northern and Western Europe, 465,356 from eastern and southern Europe, 89,534 from the Americas, 23,533 from Asia, and 1,072 from Africa. Make a bar graph to show this data. What would be an easy interv...

**math**

how?

**math**

can someone please explain this problem? (-> is an arrow) assume that limit x-> 4 f(x)=0 and limit x-> 4 g(x)=3 1. limit x-> 4 (g(x)+3

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