Is anyone here a chemistry genuis?

67,679 results

English

do u agree dat persistence is d major factor in success, and dat talent, genuis and education play, at best secondary roles? Plan and write an essay in which u develop ur point of view on dis issue.Support ur position with reasoning and examples taken from ur reading, studies...

are these correct

Here is the questions it says to simplify: xyy^2 x^3 and here is the answer x^4 y^3 ---------------------------- here is another one m^3 pmxm^2 x^3 p^5 and here is the answer m^6 p^6 x^4 ---------------------------- and here is another one xm^2 xm^3 x^3 m and here is the ...

English

1. For here or to go? - For here. 2. Here or to go? - Here 3. Is this for here or to go? - For here. 4. Is this here or to go? - Here. (Which ones are grammatical?)

Is anyone here a chemistry genuis?

The formate ion, (CHO2-), is related to the acetate ion and forms ionic salts with many metal ions. Assume that 9.7416 g of M(CHO2)2 (where M represents the atomic symbol for a particular metal) are dissolved in water. When a solution of 0.200 M sodium sulfate is added, a ...

English Expressions

Here you are. Here it is. Here they are. Here you go. There you go. ------------------------- Are all the expressions can be used when we hand something to another? Are they the same in meaning?

English

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it We you they POSITIVE I live here We eat here. QUESTION When did you move here. What do they eat. NEGATIVE ...

English

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON POSITIVE QUESTION I I live here When did you you We eat here move here he/she/it What do they eat We you NEGATIVE they He ...

English

I don't understand the question???? Can somebody give an example. Complete the chart below with the present simple tense, using the verb ‘go’: PERSON I you he/she/it we you they POSITIVE I live here We eat here QUESTION When did you move here What do they eat NEGATIVE He ...

English

1. It is for two blocks from here. 2. It is for two stops from here. 3. It is for two miles from here. 4. It is for two kilometers from here. (Are they all grammatical?)

english

i need to find the Verb, Subject, Linking Verb, Indirect Object, Direct Object, Subject Compliment and the Objective Complement and the preposition phrases. Here are the question and my answer, can someone tell me what I did wrong on theses, The computer isn't telling me. ...

Chemistry

Hi, I have to take chemistry placement test for college this week. Does anyone here have advice for studying to prepare for the test? I took chemistry in high school 2 years ago so I don't remember anything.

English

1. The temperature here is of medium. 2. The temperature here is of average. 3. The temperature here is neither low now high. (Would you correct errors?)

English

1. Do you live around here? 2. Do you live near here? 3. Do you live in here? (Are they all grammatical? #1 is the same as #2? #3 is a little different, right?)

English

No smoking = Do not smoke here. No parking = Do not park here. No swimming = Do not swim herre. No tipping = Do not tip here. No ________ No ________ No _________ (Would you let me know some more expressions which signs say? Or do you have a good website for that?)

Chemistry

The energies, E, for the first few states of an unknown element are shown here in arbitrary units. n 1 E -11 n 2 E -5 n 3 E -2 n 4 E -1 n ... E ... n infinite E 0 A gaseous sample of this element is bombarded by photons of various energies (in these same units). Match each ...

Clinical Chemistry

Anyone here good with clinical chemistry, particularly separation assays and high performance liquid chromatography?

Chemistry

Hi Dr. Bob, this is a chemistry question. I don't know how to go about solving this problem: What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq)with 8.00 mL of the 0.10 M HC2H3O2(aq)? Here's what I have so far: (0.10M NaOH)(0.0114L)= 0.00114 mol...

English

1. Do you live around here? 2. Do you live about here? 3. Do you live near here? (Are they all grammatical and the same?)

English

1. Can you find something sweet? Yes. Here is a sweet cake. 2. Can you find something red? Yes. Here is a red shirt. 3. Can you find something cold? Yes. Here is a (X) cold strawberry juice. 4. Can you find something expensive? Yes. Here is an expensive electric guitar. 5. Can...

English

1. We will always wait for you right here on this island where Koreans have lived for a long time. -------------------------- What is the antecedent of the where clause? a. this island b. right here on this island c. right here ============================ What is the ...

English Expression

A: I don't like pork. B: Same here. A: I'd like a hamburger and a small coke. B: Same here. -------------- Can we use 'Same here' as in the short dialgues?

English

1. I think we are here to talk truly. 2. I think we are here to talk truthfully. 3. I think we are here to talk t______ (Are they all grammatical and the same? What other adverbs can we use starting the letter t?

English

1. We went far. 2. We went a long way. 3. The restaurant is far from here. 4. The restaurant is a long way from here. 5. The restaurant is not far from here. 6. The restaurant is not a long way from here. 7. How far is it from here to the restaurant? 8. It is 100 meters...

chemistry

im having trouble understanding this hw question, okay here's the question: A 0.326 8-g unknown containing Pb(CH3CHOHCO2)2 (lead lactate, FM 385.3) plus inert material was electrolyzed to produce 0.111 1 g of PbO2 (FM 239.2). Was the PbO2 deposited at the anode or at the ...

Chemistry

What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)? Here is the chart that i am supposed fill out: mL NaOH pH w/ HCl pH w/ HC2H3O2 11.40 _________ ____________ Here's ...

Maths

f:x -> (4x²-8x-21)/(x²-1) (a) Analyse (b) Sketch I'm struggling on (a) so I can't do (b) Here are my ideas/what I've got so far: (a)Domain, x is a set of real numbers; x can not equal 1 Asymptotes x=1, y=? I think you have to divide here but i can't figure it out with the...

Chemistry

A solution household bleach contains 5.25% NaClO, by mass. Assuming that the density of bleach is the same as water(1.0g/ml). Calculate the volume in mL of household bleach that should be diluted with water to make 500.0 ml of a pH= 9.80 solution. Here's what I've done so far...

Chemistry

im curious if i post my work on here will anyone check it for me to see if it is right?

college

here is a chemistry 10 quetion. Convert 35.2mL to hm to third power

Chemistry

Here is a chemical reaction Fe + O2--> Fe2+O3 what was Antonie Lavoiser rusting?

chemistry

here is a redox reaction Fe+ Cu2+„³ Fe2+ Cu Is Fe oxidized and Cu reduced ? and why. Thanks for the help:)

Precalc

How would I put this parabola in standard form: x^2-6x+8y-31 Here how I started it: x^2-6x+9=-8y+31 Im not sure what to do from here :(

German Language

May I post my quiz answers here and have them be checked, or do you not do languages here? Thank you :)

English

1. He started on a journey. 2. He went on a journey. 3. He began on a journey. 4. He was on a journey. 5. He took a journey. 6. He made a journey. (Are all grammatical? Do they have the same meaning?) 7. The bread smells bad. 8. The bread smells like a bad fish. 9. The dog ...

Pre Algebra

I don't understand by what they subtract... I'm learning Arithmetic Sequences and here's the sequence: -6, -4 2/3, -3 1/3, -2 By what do they add here?

chemistry steps check

What is the pH of the solution created by combining 11.10 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? This is exactly like what Dr Bob has shown me on the first problem i put here and yet i get this simple one wrong... Here are my steps: NaOH: 0.0111L x.1 M...

Soil Chemistry

Chlorine is widely used to treat municipal water supplies and swimming pools. If the volume of a sample of Cl2 gas is 8.73L at 755mmHg and 24.0C, how many grams of Cl2 gas are in this sample? This is one of those multi step problems that I get lost....I need to to know how to ...

Chemistry

Can anyone tell me why the answer that I got here is not correct? Pb(s) + AgNO3(aq) yields Ag(s) + PbNO3(s)

correct statement

A.Quality was important to the cafe's customers. 1.The word quality uses the indefinite artcle here because it is not specific 2. The word quality uses the definite article here because it is specific 3.The word quality uses no article here because it is specif 4. Quality uses...

music

what about the songs download here, i mean do they contain virus? Has anyboby ever downloaded any song from here?

Algebra

Here is what I am trying to factor: 2x^2 + 3x + 1 = 0. I split the middle term. 2x^2 + 3x - 1x + 1 Then grouped them. (2x^2 +3x) + (-1x + 1) Here is where I am having the problem. What should I do next? Thank you! :-)

Physics

Someone here pls help me find the best animation of electrons and protons. Post here the link of the video, thank you.

Algebra HW

Find the vertex of the function y = –x2 + 2x + 8. it shows me different points as the answer. Im not sure how to find that point. Here are the points: (1,7) or (1,9) or (4,-2) or (-1,-9) Answered in a previous post. Here it is again: Here's a quick way to find the vertex. ...

Note to physics, chemistry students

Please note the spelling of Physics, and Chemistry. If you are a college student in those courses, and cant spell them, frankly, asking for help here is insulting to your college and you.

Math

Here is my question: Use counters to model the difference -2-5. Here is my answer: <-- -5-- -4 -- -3 -- -2-- -1-- 0---1--2--3--4--5---> Start at -2 and count backwards 5 points and it will = -3. Is this correct? Thanks.

English

1. Because she will come here, I will meet her. 2. Because she comes here, I will meet her. 3. As she will come here, I will meet her. 4. As she comes here, I will meet her. (Which one is grammatical?)

macro economics

Here's a picture of the question (since it's hard to make a properly formatted table here): tinyurl.[COM][SLASH]msy298

its my first day here in JISKHA QUESTION

so i'd like to know when.iam going gets my answer..and how you see when they answered you please help i am a new..visitor here

chemistry

Here is the question: Automobile air bags use the decomposition of sodium azide as their source of gas for rapid inflation: 2NaN3(s)-->2Na(s)+3N2(g) What mass (g) of NaN3 is required to provide 40.0 of N2 at 25.0 C and 763 torr? Here is my work: P=1.0039atm or 763torr V=40....

English

I want to go to London. It is ten miles form here. ------------------------------ Does 'it' refer to 'London'? Or does it refer to 'the distance' used as an impersonal pronoun? =============================== How far is it from here to the station? (Here 'it' is an impersonal ...

Chemistry

A mole of pennies stackd on top of one another would reach from here to the sun and back how many times?

chemistry

IF WE HAVE TWO SUBESTANCE(A/B)THE MELTING POINT A IS 125 AND FOR B THE M.P IS UNKNOWN,HOW COULD KNOW WE WITH HERE A/B ARE THE SAME SUB.OR DIFFRENT

chemistry

IF WE HAVE TWO SUBESTANCE(A/B)THE MELTING POINT A IS 125 AND FOR B THE M.P IS UNKNOWN,HOW COULD KNOW WE WITH HERE A/B ARE THE SAME SUB.OR DIFFRENT

Chemistry

I'm not quite sure what i'm doing wrong here: The Ksp for Ga(OH)3 = 7.28 X 10-36. What is the molar solubility of Ga(OH)3 in a 3.80M solution of gallium sulfate?

Chemistry

When the oxidation-reduction reaction shown here is balanced, how many electrons are transferred for each atom of copper that reacts? Ag^+ + Cu = Ag + Cu^2+

chemistry

What salt results from the neutralization of phosphoric acid with potassium hydroxide? Would you set up an equation here?

Chemistry

Need help on how to balance equations. Here are a few of the problems. First let me supply the w/s directions: Predict the products of the reactions below. Then, write the balanced equation and clasify the reactions. Here are examples of a few of the different kinds of ...

chemistry

Here is the question: A sample of ethanol, C2H5OH, weighing 2.84g was burned in an excess of oxygen in a bomb calorimeter. THe temperature of the calorimeter rose from 24C to 33.73C. If the heat capacity of the calorimeter and contents was 9.63 kj/C. What is the calue of q for...

Chemistry

Where can i find the quanity measured by each of of the seven SI base units and the SI symbol of the unit. Here: http://www.chemie.fu-berlin.de/chemistry/general/si_en.html thanks

Chemistry

A gas mixture contains 1.16 g N2 and 0.89 g O2 in a 1.49 L container at 16 degrees C. What is partial pressure of N2 & O2? *I already know the mole fraction for N2 is 0.60, and 0.40 for O2. I just don't know where to go from here.

Chemistry

How to know overall charge of molecule? see question # 12 here, why is it -1? how do you know? itech.pjc.edu/tgrow/2210/chm2210ps4sol.pdf

Chemistry

Write the full electron configuration for the ground state of each of the following: a. Ni b. Ni2+ I'm not exactly sure what to do here, please help!

English

1. Here is fresh salad. 2. Here is a fresh salad. (Which one is correct? Are both correct?) 3. Here is cold strawberry juice. 4. Here is a cold strawberry juice. (Which one is right?)

Math

Using factoring to solve each quadriatic equation. 2x^2-5x-3=0. This is what I have so far but don't know what to do from here. GCF:1 A:2 B:-5 C:-3 AC:-6 Goal is the find two numbers that add to -5 and multiply to -6 Factors of 6: 1,6 -2,3 (That's the one) I don't know what to...

English

Posted by rfvv on Thursday, December 16, 2010 at 3:40pm. Posted by rfvv on Thursday, December 16, 2010 at 3:21am. {At a restaursant} For hear or to go? Is this for here or to go? It's for here, please. It is to go, please. (Are the expressions above all grammatical? What is ...

Chemistry

How many electrons can be described by the quantum numbers n = 2, l = 1, ml = -1? a.) 2 b.) 14 c.) 6 d.) 10 e.) 0 I thought it was 6 but here's my reasoning n = 2 energy levels l = 1 (p orbital) ml = -1 (I don't think this is relevant to the question?)

government part 2

Can someone please help me try to word this differently. I understand everything they are saying all I need help with is how to say it another way I'm not on here begging for answers so here it is right from my text.

English

Identify the sentence that is punctuated correctly. A. Here is our check, Mr. Vons, for $7.35. B. Here is our check Mr. Vons, for $7.35. C. Here is our check, Mr. Vons for $7.35. D. Here is our check Mr. Vons for $7.35. D

English

Identify the sentence that is punctuated correctly. A. Here is our check, Mr. Vons, for $7.35. B. Here is our check Mr. Vons, for $7.35. C. Here is our check, Mr. Vons for $7.35. D. Here is our check Mr. Vons for $7.35. c

third side (picture attached)

I have already asked this in another thread. Here is more explanation: The radius of earth's orbit is 1.5 * 10^8km & the radius of venus's orbit is 1.1 * 10^8 km. We need to find out the distance from earth to venus for both positions of venus. A picture is uploaded here if ...

Chemistry

I'll try to explain better, and will try to include a url. Examine the drawings in fig 11. What types of particles are modelled in each drawing? A) There are three individual cubes in that figure, they are all the same colour which is red. By individual I mean that they are ...

Math

Here is the problem: Find the missing parts of 1/200. Here are my answers: Percent= 1/2% Fraction= 1/200 Decimal= .005. Is this correct?

Algebra 1

Put the following in order from in between 1 and 2 here are the numbers: 0.78, 1/4, 2/3, 3/4, and 77%. Second Problem: Same as the one above but here are the numbers: 0.67, 2/3, 0.600, and 65%

chemistry

For 109percent labelled oleum if the no. of moles of H2SO4 and free S03 be x and y resp. then whay will be the approx value of x+y/x-y (here / means division)

English

Here you go. = Here you are. =There you go. =There you are. We can use the expressions above when a clerk hands things to a customer. ----------------------- Doe the four expressions have the smae meaning?

English

Can someone please tell me who she is refering to as "you" in this poem? Also, what the poem means, beyond the literal level. Thank you :) Alone Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I came up with one ...

english

emicolons, Colons, Dashes and Parentheses: Recall Exercise 2. Identify the correct sentence. a) Here's what I'd suggest—major in business; and minor in Spanish . b) Here's what I'd suggest; (major in business and minor in Spanish). c) Here's what I'd suggest: major in ...

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 ...

English

Can someone please tell me what's the "deeper" meaning (beyond literal) of this poem. I have a really hard time finding it. Thank you :) Alone Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I came up with one thing ...

Math

Here is the question: Choose a nonzero integer for n to show that -n can be evaluated as a positive number. Here is my answer: If n=-2 then -n=-(-2)=2 Two negatives make a positive. Is this correct.

derivative

29) Find the derivative of the function. F(X)=2x^2(3-4x)^2 This is what I have so far. I am usually pretty good at simplifying but I am missing something here. f'(x)=2x^2(4)(3-4x)^3(-4) + (3-4x)^4(4x) Here is where I go wrong. (Answer from book) =4x(3-4x)^3(-12+3) Thanks for ...

English

Their ship is not far from here in a river. ---------------------------- What is the relationship between 'here' and 'in a river'? Are they in apposition?

English

1. Let's get out of here. 2. Let's go out of here. ------------------------------- Do you use only #1? What about #2? Why is #1 used frequently?

Chemistry

If an 0.650 m aqueous solution freezes at –2.00 °C, what is the van't Hoff factor, i, of the solute? Kf values can be found here. the Kf value is 1.86 °C/m. I get 2 for the answer but it is wrong. Please help!

Chemistry

I'm doing a lab in chemistry and I need help with a question, here is my data: Mass Before: 26.4 g After burned: 26.25 g Total Mass burned: .15 g 1. Calculate the mass of oxygen that was consumed while the candle burned. I think I need to use mole equations and that kind of ...

Chemistry

Quick question here: Which has the higher reactivity, Calcium or Potassium? Is it calcium?

Math

Some of these conversions have an error. If there is an error, explain the nature of the error and complete the conversion correctly. (I redid all the questions and only the first one looked incorrect to me. Can you look it over and point out any other mistakes? Thank you) a) ...

ethics 125

I am supposed to write an autobiographical research paper that analyes the influences of race as it relates to my community. I am having problems with this since I have only lived here a year and I don't socialize with anyone here. Any tips?

English

Posted by rfvv on Thursday, December 16, 2010 at 3:21am. {At a restaursant} For hear or to go? Is this for here or to go? It's for here, please. It is to go, please. (Are the expressions above all grammatical? What is the meaning of 'is to' in 'It is to go, please.'? Does it ...

English

1. This tea is to go. 2. This tea is for here. (What is the part of speech of 'to go' and 'for here'? And what is the meaning of both?)

chemistry

50% purity NAOH liquid . if the density is 1.53 . so one liter hou much NAOH is here ?

Where is DrBob222?

Hey does anyone know when DrBob222 comes on here, cause I have a lot of chemistry questions which I need him to check. Thanks.

Chemistry

What is the volume of 128 g of Oxygen at STP?... here's my work... O=16 128/16= 8 moles 8(22.4) = 179.2 L Where did i go wrong?

Chemistry

The boiling point of an aqueous solution is 102.35 °C. What is the freezing point? Constants can be found here.

Chemistry

The compound M2X3 has a molar solubility of 0.0190 M. What is the value of Ksp for M2X3? Here are the choices: 1. 3.52 × 10^-6 2. 4.12 × 10^-5 3. 8.91 × 10^-8 4. 2.48 × 10^-9 5. 2.67 × 10^-7

chemistry

You measure the pH of a 0.50 M unknown acid solution using a pH meter and it is found to be 1.74. What is Ka for the acid? I know ph=-log{H+} Where do I go from here?

Chemistry

The crystal structure of lithium sulfide (Li2S) is pictured here. The length of the unit cell is 5.88 x 10^2. For this structure, determine: (I could not paste the actual picture from the assignment here, but if you go to Google Image and type in "crystal structure of lithium ...

Chemistry

What's the highest occupied molecular orbital of I-? I'm really confused here, I thought you could only find HOMO for the first two rows of the periodic table.

Chemistry

Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Cr2 ] = 0.859 M and [Ni2 ] = 0.0190 M. Standard reduction potentials can be found here. Cr+Ni(2+) ->Cr(2+) + Ni

Chemistry

Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Cr2 ] = 0.859 M and [Ni2 ] = 0.0190 M. Standard reduction potentials can be found here.

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