Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 1,694

**Chemistry**

Substance A has a normal fusion point of -10 degrees C, an enthalpy of fusion = 150 Jg^-1; specific heats for the solid and the liquid are 3 and 6.2 Jg^-1C^-1 respectively. To change 150 grams of A from a solid at -40 degrees C to a liquid at 70 degrees C will require how many...

**Chemistry**

Dioxane C4H8O2 has an enthalpy of fusion = 145.8 Jg-1 and its melting point temp is 11 degrees C. How much energy is required to transform 142g of solid dioxane at 11 degrees C into liquid dioxane, also at 11 degrees C?

**Chemistry**

I also need help with this.

**english**

How can you tell what kind of infinitive is: -a noun -an adjective -or a verb?

**SOCIAL**

look here: wiki. answers. com /Q/ What_were_the_effects_on_ Rome_of_the_Punic_wars put everything together to get to the site.

**Literature 10th grade**

What is a Specialized form of informal english used by Traesmen among themselves? A boorrowed word which has been made to resemble English has been what??? Threee Major North American Dialects are what??

**physics**

PLEASE!!!!!!I really need help. I dont understand it at all!

**physics**

a 500 N person stands on a uniform board of weight 100 N and length 8 m. the board is supported at each end. if the support force at the right end is three times that at the left end, how far from the right end is the person? please explain

**psychology**

I am looking at my book right now and it says that Chromosomes are rod-shaped structures found in cells.

**Math**

A club of 10 members is to select 3 officers (president, vice-president and secretary). In how many ways can they do this? A club of 10 members is to select a committee of 3 persons. In how many ways can they do this?

**college-Organic Chemistry**

Why is cyclooctatetraene neither aromatic or anti-aromatic? (I can explain why it isn't aromatic (4n+2 fails), but i can't explain why it isn't anti-aromatic)

**College Algebra**

5x+2>1

**ancient egypt**

What substance was used to stuff the nostrils?

**ap biology**

,jjhfjskarhgjfhbkfdsjkvdonfdkj. About fwvjkdsufdsknj

**Enlightenment- Mary Wollstonecraft**

Can anyone give me a website detailing the education of Mary Wollstonecraft? It's urgent.

**Biology**

A dominant gene does not "subdue" or "cover" a recessive gene. Explain using round and wrinkled peas as your example.

**french**

Wow merci!! Yes can you translate it into Spanish and Japanese(I know this is a HOMEWORK HELP website, but I only know I a little Spanish, not nearly enough to get me anywhere though) because a lady I'm giving the present to teaches Spanish 3, and my best friend who is in ...

**french**

I have a PC and Windows. And my teacher gave us a list of how to put accent marks, but can you still send me the list to put the accent marks because i don't know where mine is.... (I'm making Christmas presents for all my teachers, and I decided to put the rhyme in En...

**french**

Bonjour Mme! Pouvez-vous correcter mon paragraghe pour moi? En anglais, it's supposed to say: We looked for a stocking, but we couldn't find a spare, so we ended up stuffing Santa's red underwear! Nous cherchons pour un bas, mais nous ne trouvons pas un autre, donc...

**chemistry**

I seriously need help with this too. I'm just not understanding it.

**Chemistry**

I love whoever said "let's just all get high". Amen brother or sister!! <3

**science**

what must designers consider when planning a project?

**French for Amanda**

*gasp*! Oh thank you it's so cool!!! Merci beaucoup!!!!!!!!!!!!!!!!!!!

**french**

Hey I got some of it right!!!! How exciting!!!!! It was written By Edgar Allan Poe. It's called "To Helen". My penpal and I have been talking about poetry, and she sent me this poem by Victor Hugo called "Demain, dès l'aube..." and I understo...

**french**

k, here it goes Mme! Helen, thy beauty is to me Like those Nicean barks of yore, That gently, o'er a perfumed sea, The weary, wayworn wanderer bore To his own native shore. On desperate seas long wont to roam, Thy hyacinth hair, thy classic face, Thy Naiad airs have brough...

**french**

Salut Mme! (or anyone else) Can you translate this poem for me into French? I emailed it to my penpal(Helene) in France and she asked for the French translation. Merci!! Helen, thy beauty is to me Like those Nicean barks of yore, That gently, o'er a perfumed sea, The weary...

**math**

their windows fall out

**Biology**

I dont no lolz..... sorry

**English**

I have to write a interpeting atory paper on Sunday in the Park in my texted book. My three reasons are: Reason 1: she sees everything that her father does and expects her husband to do the same. Reason 2: views on men in society Reason 3: men are the head of the household. I ...

**Resume**

I recently asked a teacher for a letter of reccomendation for a program that i am applying for. She told me she would but she first she wanted a resume. I have no idea what she wants and i was wondering if anyone had a sample resume. Thanks

**6th grade science**

How does your body look like after forty days without food?

**math B**

i need help using the foil method when multipling with i and radicals

**History**

could you think of one??? for E Thanks for the help!

**History**

i got the following: I- Is commander in chief of the US military D-Decides whether to approve laws or veto them. i just have a E remaining. Can somebody help please!!!

**History**

thank you so much.... can you help me with the others too???

**History**

Write a sentence about the role, job, postition, qualification, checks and balances, and/or amendments having to do with the job of the presidency. i got the following.... can't think of others! P-President must be atleast 35 years old, 14 years resident and native born. R...

**science**

a cell membrane protects the interior contents present in the cell from spilling out into the external environment. it also protects the cell from harmful substances present in the external environment from entering into the cell!

**10th grade**

I really need help with this homework.Its like this:f(x)=x-1/2 g(x)=x+2/3

**arithmetic**

please help me cuze i think that its hard homework.

**arithmetic**

please,can you help me with this? f(x)=x-1/2 g(x)=x+2/3

**medical coding and billing**

I am also doing this paper and I am also having a really hard time as well!!

**french(MME! M'AIDER!)**

comment dit-on: Italian Filipino Indian et European? so she is italian would be: elle est ...? merci!!!!

**Biology**

is it the nucleus?

**french**

Mme: Michael(Michel!) is 4 months old. Comment dit-on ".. is four months old"? (that's why he likes to barf everywhere) I am in French 1B, so next year when I'm a freshman, I can go right into French 2. (7th grade=1A, 8th grade=1B =French 1)

**french**

Michael(Michel!) is 4 months old. Comment dit-on ".. is four months old"? (that's why he likes to barf everywhere) I am in French 1B, so next year when I'm a freshman, I can go right into French 2. (7th grade=1A, 8th grade=1B =French 1)

**french**

pouvez-vous m'aider avec mon paragraghe? La famille d'Amanda J'ai plus personnes en ma famille. Ma mère s'appelle Emilie. Elle est très sympa. Mon père s'appelle Rodney. Il est fort. J'ai deux frères. Mon frère Aaron e...

**french**

in french, do they use the inversion form of questions a lot? comme "I miss you" est "Tu me manques" ne pas "Je te manques"?

**math**

2 times the cube root of radical 3. plus the cube root of radical 4.

**french**

Q'est-ce que veut dire "n'est-ce pas"?

**french**

merci! i understand all the other ways to ask a question, but why would you put "n'est-ce pas" at the end? or what does "n'est-ce pas" mean?

**french**

comment dit-on "donuts"? so "do you like donuts?" would be "tu aimes ....?" merci

**college- Linear Algebra**

Give example of two non-zero matrices A and B such that A^2=0, B^2=0 but AxB and BxA do not equal zero.

**Linear Algebra**

Give example of two non-zero matrices A and B such that A^2=0, B^2=0 but AxB and BxA do not equal zero.

**MATH**

I think it just means writ your equation as y= whatever...In your case it would be y=x+2-1 y=x+1

**french**

is this correct? Ashlee Simpson est la femme de Pete Wentz. Homer et Marge sont les parents de Maggie. Miley est la fille de Billy Ray. Kevin Jonas est le frere de Nick. would i use any forms of de (du, de la, de l', des) for any of these?

**french**

Merci Madame! Is it true that you know 19 languages?!

**french**

comment dit-on "Happy Halloween"?

**french**

are all of these nouns masculine?: musee cinema stade what are some other irregular nouns? when asked why it's this way by some of my classmates, my french teacher replied,"they just decided it to be that way when they were creating the french language!" is that ...

**french**

merci cynthia!!

**french**

merci pour clarifying the 24 hour clock time. what is the difference between "je voudrais" et "je veux"? do you know any good websites that are either translators or like grammar helpers?

**slope(using intercepts)**

a bamboo plant is growing 1 foot per day. when you first measure it, it is 4 feet tall. a. write an equation to describe the height y, in feet, of the bamboo plant x days after you measure it. would it be: x+y=4? b. what is the y intercept?

**slope(again)**

sorry, what's the decimal if the slope is 158/110? i don't have a scientific calculator

**french**

do you only use military time in formal and written french? what do i use for conversational french? like for 6:35 pm, would i say: six heures trente-cinq ou dix-huit heures trente-cinq? merci beaucoup!

**slope(algebra1)**

can a slope be 158/120? if there are multiple data points on a graph that aren't the same (ex: up 2 over 3), do i use the first and last points to find the slope?

**slope(algebra 1)**

i know that slope is rise over run, but how do i find the slope of a line with data points with a positive correlation that vary on the line? because there are points that the line doesn't go through. the data points represent number of heartbeats per second. what do i do?

**Math**

Write the ratio of 4 1/3 to 6 in simplest form. I am not sure how to do this can someone explain how?

**chemistry**

a)indium-115 has a half life of 4.5 hours. if you start with a 12.0-mg sample of indium-115, how much will remain after 13.5 hours? b)how much of a 3.50-mg smaple of nickel-63 will remain after 368 years? the half-life of nickel-63 is 92 years?

**psy**

I don't know if we are in the same school or even have the same textbook, but until I came to this site I could not get the gist of them material either. My text book is like reading stereo instructions.

**college-Linear Algebra**

Let V={f(x)=c0 + c1x + c2x2 : ç01 f(x)dx=1}. In other words, V is the set of all polynomials of degree 2 or less such that their integral from 0-1 is equal to 1. a)Show that the sum of two polynomials in V is not in V b)Show that an affine combination of two polyn...

**Linear Algebra**

Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6

**Math**

Let V={f(x)=c0 + c1x + c2x2 : ç01 f(x)dx=1}. In other words, V is the set of all polynomials of degree 2 or less such that their integral from 0-1 is equal to 1. a)Show that the sum of two polynomials in V is not in V b)Show that an affine combination of two polyn...

**Math**

Suppose A and B are non-zero matrices such that A^2=0 and B^3=0(But B^2 does not =0) find in simplst form: a)(A+B)^2 b)(A+B)^3 c)(A+B)^4 d)(A+B)^5 e)(A+B)^6

**statistics**

A box of tickets averages out to 75 and the SD is 10. One hundred draws are made at random with replacement from this box. a)Find the chance that the average of the draws will be in the range 65 to 85. b)repeat for the range 74 to 76.

**Math**

When Tammy was 4, the ratio of Tammy's age to fer father's age was 1:7. What will the ratio of their ages be when Tammy's father is 48. If so what would it be in simplest form.

**grade seven**

A scale on a map is 1cm to 250km. What does this mean?

**7th grade**

At a certain time of day, a person's shadow is twice her height. What ratio describes this relationship? At this time of day, Gene's shadow measures 320cm. What is his height?

**math**

The ratio of height of an object in a photograph to the actal height is 1:100. The height of a statue in the photograph is 5cm. How tall is the statue?

**6th grade**

HOW DO YOU CHANGE AN IMPROPER FRACTION INTO A WHOLE OR MIXED NUMBER

**Math**

The ratio of seven dimes to three quarters. It wants me to write this ratio in simpliest form. I really need to understand how to do this. I have a few more like this that I have to do. Thank You

**Mnemonic Device**

Thanks!

**Mnemonic Device**

Can someone help me make a mnemonic device for the order of my scales? Here is the order... D G C F B flat E flat A flat D flat F sharp B E A

**6th grade**

well, you could always wear a togo. or something like that.

**biology, heart rate**

Exercise makes your hear pump faster increasing your heart rate.

**Thesis statement help**

I need help writing a thesis. Here are my topic sentences. Question: Analyze the concerns and goals of participants in teh Pilgrimage of Grace and of those who opposed the movement. 1. Participants in the Pilgrimage of Grace consisted of common people and men of status who sha...

**Statistics**

the sum of the draws... basically the net gain

**Statistics**

Roll a die 100 times. the casino pays 2to 1. you have a 12 in 38 chance to win. the sum could be ___ give or take___

**Math**

Statistics. The following table gives the free throws attempted (FTA) and the free throws made (FTM) for the top five players in the NBA for a recent season. Calculate the free throw percentage for each player by writing the FTM over the FTA and converting this fraction to a d...

**biology 2**

what is kingdom fungi

**psychology**

try and look through your book

**English**

how the verb is acting

**statistics**

Suppose that in one week at a certain casino there are 25,000 independent plays at roulette. On each play, the gamblers stake $1 on red. Is the chance that the casino will win more than $1000 from these 25,000 plays closest to 2% 50% or 98% explain.

**statistics**

shouldn't the standard deviation be 1? i have all the info... i just don't know how to find the z score from the info that i have: avg= 2 SD= 1 sum= 200 SE= 10

**statistics**

One hundred draws will be made at random with replacement from the box 1, 1, 2, 2, 2, 4... The chance that the sum will be bigger than 250 is what percent?

**Cultural Diversity**

Thank you. I could not find anything on this when I googled it.

**Cultural Diversity**

What is the difference between Muslims and Arabs?

**algebra scales**

the actual length of the dust mite is 0.3 mm. the length in the image is 21 mm. what is the scale of the image? i dont know what propotion to use!!

**scales in algebra**

the actual length of the dust mite is 0.3 mm. the length of the image is 21 mm. what is the scale of the drawing?

**statistics**

For the men age 18 and over the avg height was 69 inches with an SD of 3 inches and avg weight was 190 lbs with an SD of 42 pounds. the r value is around 0.41. Estimate the average weight of the men whose heights were 66in, 24 in, and 0in.

**math**

what are two whole numbers whose product is 1224 and whose sum is 70

**Science**

Which paint fades the quickest? (that's all info we have)

Pages: <<Prev | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | **13** | 14 | 15 | 16 | 17 | Next>>