# Posts by paul

Total # Posts: 958

**Biology**

Thank you - I'll take a look at that.

**Biology**

why is a radioisotope able to substitute for an ordinary (nonradioisotope) atom of the same element in a molecule?

**math equation**

it is already answered

**Chemistrt**

How many grams in 4.00 moles of Fe2O3? Answer 4 Moles Mass = 159.7 grams 4 X 159.7/1 = 6.388 or 6.39 grams. How do you get 6.39X102grams? Fe is +2 and O is –2. you have 2-Fe and 3-O why would this not be 6.39X10-2 grams

**biology**

1-Why is so much heat lost from, head, hands, feet? 2-Why would the body cool down at high altitudes regardless of outside temp? 3-Describe changes that occur as body tries to acclimatize to high altitudes? 4-Describe causes and effects of pulmonary edema and cerebral edemo? 5...

**Chemestry 095**

Complet and balance the following equation. F2 (g) + HCI (g) == ?? Which element or ion is oxidized and which one is reduced? Which one is the oxidizing agent and which is the reducing agent?

**Chemestry 095**

Write the electron configuration for the following ground state atoms and ions. strontium+2 ion; iron element; selenium -2 ion; gallium +3 ion; and tin element.

**chemistry**

Megan I'm in Mr. Hartzell's class are you?

**Math**

g of x=2x^2+x-10 Factor

**algebra**

12/a=4

**social studies**

I have to do an Essay on early history of new york state, how the Native American Indians, the Dutch, and the English have all made contributions to our culture today.

**Math**

What is 0 to the third power, or zero cubed?

**math**

what is the standard form of 200 thousands+50 tens+3 ones?

**physics - linear momentum with rockets**

This is not correct.

**Geometry**

Ok, I found a box and cut off the corners as stated, but it looks like an octagon now. (and not a very good one) Am I missing something?

**Geometry**

It sounds like it would look like a hexagon.

**Geometry**

If you marked the midpoints of the edges of a cube and sliced off all its corners through the midpoints of its edges, how many and what type of faces would the truncated figure have?

**Geometry**

Cool, thanks for the site!

**Geometry**

Which point of concurrency in a triangle is the point of intersection of the three altitudes of a triangle?

**12th grade chemistry**

thanks DrBob ..I appreciate the help. I have tried many searches for the answer on the internet and felt the answer was no as I found nothing.I understand the idea of going to CO2 and H2O. I also don't think that just an O molecule can be added. Thanks again.

**12th grade chemistry**

Thanks for your answer DrBob. I am still stumped.The question I was asked to answer is Do acetic acid and stearic acid undergo controlled oxidation reactions? Explain why/why not and draw an equation to illustrate the answer.

**chemistry 12th grade**

can carboxyl groups undergo controlled oxidation...why or why not??? thanks

**Algebra 1A**

I need help please!!! Translate to an inequality. The average speed, s, was between 130 & 140 mph. Translation 130 ? s ? 140. Thanks

**Algebra 1A**

Help!! solve 2.4x+22.0>55.0-8.6x the solution set is {x]x> ?}

**Algebra**

How do you turn 7/12 into a percent and what would be the answer???????

**writing**

How do you include songs in a sentence: Punctuation for the following: It seems only yesterday that she was a little girl in pigtails reciting Mary Mary Quite Contrary and sining Ill never forget it The Farmer in the dell in a funny high squeaky baby voice.

**US History**

What were the British and American military strategies and the war's major turning points?

**english rules 2 anwers**

rgaergaer

**Chemistry**

Thank you

**Chemistry**

Which of the following mixtures will result in the formation of a buffer solution if all solutions are 1.0 M before mixing? i) 100. mL of NH3(aq) and 100. mL of HCl(aq). ii) 100. mL of NH3(aq) and 50. mL of HCl(aq). iii) 100. mL of NH3(aq) and 50. mL NaOH(aq). iv) 100. mL of ...

**DRBOB222**

THANKS so much for all of your quick and useful help!

**chemistry**

1. Cu(NO3)2 + NaOH --> ?? 2. Ni(NO3)2 + NaOH --> ?? ALL or ANY help is appreciated. Like I said in a previous post, I know how to balance. I just have no idea what goes on the products side.

**chemistry**

Net Ionic equations for.. 1. Co(NO3)2 + NH3 --> ?? 2. Cu(NO3)2 + NH3 --> ?? 3. Ni(NO3)2 + NH3 --> ?? I can balance equations, I just don't know what goes on the products side.

**chemistry**

I have many equations that need to be net ionic balanced 1. Al(NO3)3 + NH3 --> ?? 2. Fe(NO3)3 + NH3 --> ?? 3. Mn(NO3)2 + NH3 --> ?? ^^ All aqueous

**Physics**

10m

**IT 210 Fundamentals of Programming with Algorithms**

If your seriously looking for help in IT 210 or any other AAIT degree class, then do a search on Google for AxiaTutorials all one word and I guarantee that you will get the answers or help that you need. They have helped me countless times especially with the hard classes like...

**Math**

How do I write this into SRform please walk me through 5/(sqrt5 - sqrt 3)

**Math**

lol apparently Jen also had the same question 2(3^(2^-1)-1)^-1 I do not understand how to do this one either

**Government**

Do you think that the people's government is one of the most influential ideas? That or having 3 branches in the government + checks and balances?

**Government**

Alright, well I was thinking that the fact that America's government is run by the people is most influential. However, I can't seem to find an idea that is least influential. Could you be able to guide me towards the right idea?

**Government**

What elements of American constitutionalism have proved most influential? Least influential? Why? and Why has federalism, an American invention, proved especially popular in other countries?

**Math**

uh how do I write this in SRform? (7^2^-1+2^2^-1)^2 I tried writing it out in expanded form and I got 98^2^-1+28^2^-1 which is wrong so how do i do this?

**math**

What number does zero cubed equal? 0?

**zero cubed**

What number does zero cubed equal?

**math**

What is zero cubed, or zero to the third power?

**zero cubed**

What is zero cubed or zero to the third power

**religion**

I need to know the country of origin of: Hinduism, Buddhism, Confucianism, and Daoism. For each of these religions I need some information on the: Historical figures and events, brief description of their central beliefs, nature of God, Texts, Ritual and practice (sacred ...

**chemistry**

Hi I have this problem I have no idea where or what to do. 25.00 mL of 0.0500 M Na2CO3 was titrated with HCl(aq) using phenolphthalein indicator, the 'end-point' (color change from pink to colorless) was reached when 10.50 mL of the acid was added. When methyl orange ...

**physics**

parts a and b should be the same since its the same radial distance from equipotential line that A is on, right?

**Chemistry**

Aspirin can be prepared by the reaction of salicylic acid with an excess of acetic anhydride, using phosphoric acid as a catalyst. Once the aspirin is formed, it is precipitated from the reaction mixture by adding water and filtering. The solid aspirin obtained in this way is ...

**Microeconomics**

5.1 million for VC

**Physics**

Two converging mirrors of focal length 30 cm are 15 cm apart. If an object is placed 1 cm from mirror one, how far from mirror two will the second image be?

**Math**

List all subsets for (m,a,t,h)

**math**

In standard position, an angle of 7pi/3 radians has the same terminal side as an angle of? A)-420 B)120 C)60 D)625

**math**

um find the product

**math**

wait how do i do this one then same thing? 10 x (-2 3/11)

**math**

find the product. 2/3 x 7/8

**chemistry**

I actually think it is Cl

**chemistry**

Higher

**statistics**

Shedz processes two varieties of kiwifruit – green and gold. Constraints on daily packing are as follows: • At most, 2 000 trays can be packed in total. • At most, 1 200 trays of green can be packed. • A minimum of 200 trays of gold need to be packed. •...

**Chemistry**

Yes I agree

**Chemistry**

Yes.

**trig**

Oh I get it now. thanks for your help.

**trig**

No I have not come across that before.

**trig**

How do I solve this? If cos x= 3/5, find the exact value of cos 2x

**biology**

Surface Area to Volume ratio. The larger the surface area that the cell has in relation to the volume, the more space it has to take in nutrients. This is the largest when the cell is small. So as a cell gets bigger the SA to V ratio gets smaller and less SA is avaliable for ...

**biology**

Think about the SA to V ratio to start with

**Chemistry**

No problem :)

**Chemistry**

No it is in fact Potassium

**Chemistry**

Yes that sounds reasonable to me. Although what about the noble gases? Don't they have a higher IE?

**math**

follow M.D.A.S

**physics**

A steel ball has a mass of 4.0kg and rolls along a smooth, level surface at 62m/s. A) Find its kinetic energy(i got this and its 7688 joules) B)?????-At first, the ball was at rest on the surface. A constant force acted on it through a distance of 22 meters to give it the ...

**MATH**

Let f(x) = 3(x-1)^3 + 4(x-1)^2 + 2(x-1) -7 (a) Determine f'''(1) without taking any derivatives. Explain your method. (b) Determine the general Taylor polynomial of f aobut c =2 by computing any for each k, using the formula above for f(x).

**Math**

Let f(x) = 3(x-1)^3 + 4(x-1)^2 + 2(x-1) -7 (a) Determine f'''(1) without taking any derivatives. Explain your method. (b) Determine the general Taylor polynomial of f aobut c =2 by computing any for each k, using the formula above for f(x).

**sci 275**

If your needing help in Environmental Science or any other University of Phoenix Class I suggest you go to Google, and do a search for AxiaTutorials all one word. They have helped me countless times when I was having problems, and I guarantee they can help you.

**Math**

Engineers and physicists are fond of using the approximation Square root (1+x) = 1+(x/2)? What approximation do you suppose the engineers and physicists would use for the quantity (1+x)^(3/2)

**other**

vowel?

**french - reflexive verbs**

thanks so much but is there a possible situation where both passe compose with avoir and passe compose of a reflexive verb in the same sentence?

**french - reflexive verbs**

what i meant was what if the sentence has an avoir past tense and a reflexive past tense? then would the sentence end up with suis and ai? and what is the order of the suis and ai? regarding je

**french - reflexive verbs**

the word order for past tense is je ne me le lui y en ai pas donné but when you're using reflexive verbs for past tense its "je me suis" does the suis incorporate into the word order?

**Physics**

sqrt(ks^2-2mgy/m)

**Science**

trying to work out the angular size of Saturn I know the equation is 57degrees times (actual size divide distance) = Angular size so I have the following: 57deg times (120535 div 1195772020) = 0.005745.... it goes on a fair way. 0.005745 degrees... is this correct?

**financial accounting**

Which of the following supports the accrual basis of accounting? revenue recognition concept, cash concept, mathcing concept, or revenue recognition and matching concepts?

**financial accounting**

unexpired insurance at the end of the fiscal period represents; an accrued asset, an accrued liability, an accrued expense, or a deferred expense?

**financial accounding**

unexpired insurance at the end of the fiscal period represents; an accrued asset, an accrued liability, an accrued expense, or a deferred expense?

**Math**

whats property-commutative associative

**Life science**

What are the twelve steps in the scientific method?

**5th grade**

how do you do a paragraph paw

**sociology**

What measurements do sociologist use to calculate prejudice?

**chemistry**

why ortho nitrophenol are more volatile than para nitrophenol

**math**

factor this polynomial function completely f(x)=12x^4+10x^3-214x^2+198x+90 I found all the possible rational zeros but just cant seem to factor it all

**physics**

On a day when the speed of sound is 354 m/s, a 2000 Hz sound wave impinged on two slits 30 cm apart. At what angle is the first max located? I just am not sure what equation to use. any help is appreciated..im lost

**chemisry**

How does the precision of a calculated answer compare to the precision of the measurements used to obtain it?

**chemistry**

The atomic masses of elements are generally not whole numbers. Explain why.

**Math**

Does the sequence converge or diverge? 2n+(-1)^n5/ 4n-(-1)^n3 I know I need to find the limit..but i don't know how to do this

**Calc-Sequence**

Find a formula for 1/2, -1/4, 1/6, -1/8, 1/10... So I know that the sequence is just adding 2 to the bottom but i don't know how to write it with a formula including n's..im stuck

**AP CHEM**

Where did you get the 61.49 from?

**history**

i`m in year 7 and i need to write a newspaper report either from the catholic view or prodestant view about when hugh latimer and nicholas ridley bishops in 1555 were killed. no idea where to start.

**Brain Teaser**

Could it be 80% below the ice (like an iceberg)

**Geography AS level**

what issues have risen in the uk when managing floods? please could somebody help me!? thanks