Questions Asked on April 20, 2008

Calculate the sound level in decibels of a sound wave that has an intensity of 2.25 µW/m2.F
1. 2 answers
2. asked by chris adison
3. 975 views
Calculate the sound level in decibels of a sound wave that has an intensity of 2.25 µW/m2For this question don't I use
1. 1 answer
2. asked by chris adison
3. 495 views
how could an element emit alpha and beta particles and result in the same element?
1. 1 answer
2. asked by cguff
3. 495 views
limx-> -infinity 1/(sqaure root of 4/x^2 plus one) i don't understan why the answer is 1.
1. 1 answer
2. asked by rudy
3. 391 views
what's the area behind your knees called
1. 1 answer
2. asked by sake
3. 382 views
A bullet of mass 50 grams is fired horizontally into a wooden block of mass 0.2kg. The wodden block is suspended from the
1. 2 answers
2. asked by ibroo
3. 824 views
Calculate the value of the equilibrium constant (Kc) for the reaction shown, if SbCl5 was found to be 5.57% decomposed at 521K
1. 5 answers
2. asked by help!!
3. 637 views
Good Afternoon,Could you please see if i have translated this english to french correctly? Most squirrels are active during the
1. 4 answers
2. asked by Rachael
3. 1,174 views
Find the temperature at which the reaction below is spontaneous given this data:Hf^o of NH3(g) = - 46 kJ/mol, S^o of NH3(g) =
1. 2 answers
2. asked by Amandeep
3. 1,101 views
24 mL of 0.39 mol/L acetic acid is titrated with a standardized 0.33 mol/L KOH solution. Calculate the pH of the solution after
1. 2 answers
2. asked by Chaitanya
3. 791 views
Will someone send me the ti 83 steps for: determine the graph of the equation: 9x^2+25y^2+z^2=225if one is available.
1. 1 answer
2. asked by Pam
3. 382 views
What mass of Ag2CO3 would be found in 1.4 L of a saturated solution if the Ksp of Ag2CO3 is 8.2 x 10-12?
1. 2 answers
2. asked by Chaitanya
3. 728 views
What is the percent ionization of a 1.38 mol/L weak acid if its Ka = 2.7 x 10^-6?Thanks again!
1. 2 answers
2. asked by Amandeep
3. 1,233 views
Could you please help pe formulate a thesis for the following topic;'Women in WWII:An important step in womens libertion or
1. 4 answers
2. asked by Alyssa Nand
3. 367 views
I am doing a similar assignment as Anaa please help!y = 3cos(x-1) Amplitude: Period: Two x - intercepts: y-intercept: Domain:
1. 1 answer
2. asked by Amandeep
3. 402 views
A weak base with a concentration of 1.3 mol/L has a percent ionization of 0.72%. What is the Kb of this weak base?
1. 2 answers
2. asked by Chaitanya,
3. 1,248 views
A crane in a marble quarry is mounted on the rock walls of the quarry and is supporting a 2900kg slab of marble as shown in the
1. 1 answer
2. asked by Hong
3. 965 views
Good Afternoon,Could you please see if i have translated this english to french correctly? Most squirrels are active during the
1. 3 answers
2. asked by Alyssa Nand
3. 659 views
I've been doing alot of extra questions for physics lately, and these four are still giving me trouble. Please help me out and
1. 3 answers
2. asked by Joe
3. 447 views
A cell, transferred 0.146 mol of electrons with a constant current of 1.24 A. How long, in hours, did this take?
1. 1 answer
2. asked by Rishikesh
3. 384 views
Chromium metal can be plated onto an object from an acidic solution of dichromate ions. What average current is required to
1. 3 answers
2. asked by Rishikesh
3. 953 views
During the electrolysis of molten aluminum chloride in an electrolytic cell, 5.40 g of aluminum is produced at the cathode.
1. 4 answers
2. asked by Rishikesh
3. 1,503 views
Show that the line of symmetry for the graph of f(x)=(x-a)(x-b) is x=(a+b)/2, where a and b are any positive real numbers.I
1. 1 answer
2. asked by Malisa
3. 367 views
For corrosion resistance, a steel bolt is plated with nickel from a solution of nickel(II)sulfate. If 0.250 g of nickel produces
1. 2 answers
2. asked by Alex
3. 662 views
A car bumper is plated with chromium using chromium(III) ions in solution. If a current of 54 A flows in the cell for 45 min 30
1. 2 answers
2. asked by Alex
3. 728 views
An electroplating cell operates for 35 min with a current of 1,9 A. Calculate the amount, in mols, of electrons transferred.
1. 1 answer
2. asked by Alex
3. 393 views
a) why should you use moles in stoichimetric problems?b) solid reacts violently with water, producing heat, hydrogen gas, and
1. 2 answers
2. asked by john
3. 553 views
The first step of the synthesis is described by the reaction below. When 1.200 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of
1. 1 answer
2. asked by david
3. 516 views
i am dry but i am not dry. i am cold but i am not cold many wont come close to me while others wouldnt mind what am i
1. 3 answers
2. asked by jonoh
3. 310 views
4+1-2+3
1. 2 answers
2. asked by Paige
3. 224 views
26+4*(15-4)
1. 1 answer
2. asked by Paige
3. 200 views
I need a Title to my research paper, my topic is about telecommunication and I need it to be specific. I choose the use computer
1. 1 answer
2. asked by James
3. 376 views
similarities between and oxidative phosphorylation and photophosphorylation
1. 1 answer
2. asked by Helen
3. 444 views
1)Ethanol is made by the fermentation of sugar.(a)Suggest a temperature for carrying out the fermentation and explain your
1. 3 answers
2. asked by Anonymous
3. 1,465 views
1)Ethanol is made by the fermentation of sugar.(a)Suggest a temperature for carrying out the fermentation and explain your
1. 1 answer
2. asked by Anonymous
3. 1,171 views
I need a Title to my research paper, my topic is about telecommunication and I need it to be specific. I choose the use computer
1. 1 answer
2. asked by James
3. 397 views
Logarithmics:Ie: log3 3^11 : Evaluate? Thanks.
1. 1 answer
2. asked by Pam
3. 409 views
Determine whether the graphs of the two lines are parallel.y+3=3x 6x-y=-3 Are the graphs of the given equations parallel?
1. 1 answer
2. asked by Shawn
3. 440 views
I am working on the cost of taxation.Question: The market for pizza is characterized by a downward-sloping demand curve and
1. 3 answers
2. asked by G
3. 888 views
please check my answer thanksFor which of the following procedures should you wear gloves ? A veinipuncture B CT scan C EKG D
1. 1 answer
2. asked by Helana
3. 369 views
Is water needed in the extraction of aluminium from bauxite in either the Bayer or Hall-Heroult proccesses?Please reply as soon
1. 1 answer
2. asked by Jonathan
3. 429 views
please check my answer thanksTrue or False The purpose of OSHA Bloodborne pathogens Standards is to prevent exposure of
1. 2 answers
2. asked by Helana
3. 647 views
please check my answer thanksTrue or False the review of systems is a history of the patient's previous diseases, injuries and
1. 1 answer
2. asked by Helana
3. 413 views
please check my answer thank youWhat is the first thing you should do if your bare hands accidentally comes in contact with a
1. 1 answer
2. asked by Anonymous
3. 433 views
please check my answer thanksTrue or False Korotkoff sounds are related to the determination of blood pressure I picked True
1. 2 answers
2. asked by Helana
3. 572 views
please check my answer thankswhat is the normal range of a pulse rate of an adult A 60 -80 B 60-110 C 75-120 D 80-140 I picked B
1. 2 answers
2. asked by Helana
3. 779 views
please check my answerTrue or False The medical assistant measured the circumference of the infant's head the method of the exam
1. 2 answers
2. asked by Helana
3. 681 views
The depth of a body of water can be found by emitting sound pulses reflected from the bottom. If the time interval from emission
1. 1 answer
2. asked by Bafana
3. 403 views
what are the methods recomanded by experts for helping victims of bullying?
1. 1 answer
2. asked by dudu
3. 370 views
please check my answer thanksTrue or False The Fowler's position is used for an exam of the abdomen I said False
1. 1 answer
2. asked by Helana
3. 407 views
An ideal gas at 6.0°C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3.(a) How many moles of gas are present? moles
1. 2 answers
2. asked by Tasha
3. 519 views
Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K.(a) What is the work
1. 2 answers
2. asked by Tasha
3. 1,045 views
1)Ethanol is made by the fermentation of sugar.(a)Suggest a temperature for carrying out the fermentation and explain your
1. 2 answers
2. asked by Anonymous
3. 790 views
how do i do this...1+x^-1/1-x^-1. so I know you got 1+x/1/1-x/1. then you go 1/1+x/x*1/1-x/1. then what do i do after that?? the
1. 1 answer
2. asked by Miley
3. 311 views
An ideal gas at 6.0°C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3.(a) How many moles of gas are present? moles
1. 2 answers
2. asked by Johnson
3. 583 views
An apartment has a living room whose dimensions are 2.5 m 4.8 m 5.9 m. Assume that the air in the room is composed of 79%
1. 3 answers
2. asked by Johnson
3. 643 views
You drop a hot copper penny (500 degrees celsius) that has a mass of 4.5 grams into a glass of cold water (6.0 degrees celsius)
1. 2 answers
2. asked by billy bob j
3. 610 views
19. 6/x^2=-1/x. i know the domain is x doesnt = 0. how do i solve this?
1. 1 answer
2. asked by Miley
3. 317 views
Sucrose is commonly known as table sugar. The formula is C12H22O11. You burn 7.29 grams of sucrose in a bomb calorimeter. The
1. 2 answers
2. asked by billy bob j
3. 712 views
The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 3.50
1. 1 answer
2. asked by Johnson
3. 523 views
balance the following equations and write an equation for the mole to mole relationship and the mass relationshipa. Na + H2O >
1. 6 answers
2. asked by shaggy
3. 474 views
Hi. What was the percentage increase in energy consumption from 1970-1988? In 1970 it was 66.4 and in 1988 it was 80.2 So I
1. 7 answers
2. asked by Victor
3. 463 views
Hi, is there anyone who can help me with this essay's English checking? Thank you very much!##################################
1. 4 answers
2. asked by Nina
3. 710 views
a) why should you use moles in stoichimetric problems?b) solid reacts violently with water, producing heat, hydrogen gas, and
1. 4 answers
2. asked by john
3. 497 views
How would you translate 'it was better than i expected' into spanish?
1. 4 answers
2. asked by cat
3. 379 views
Please can someone help, I need to find info on what Quakers think of Peace?
1. 1 answer
2. asked by mathilda
3. 375 views
i am studying the no child left behind act and i read that some states have a higher level of proficiency than others. In a pdf
1. 1 answer
2. asked by maggie
3. 412 views
Why would a manufacturer want to use hydrogenation?
1. 1 answer
2. asked by Jessica
3. 475 views
Bonjour MmeI have tried to implement the corrections that you have given me but i wasn't sure about a few. But here is the
1. 1 answer
2. asked by Alyssa Nand
3. 455 views
A specimen taken from the wrappings of a mummy contains 7.02 g of carbon and has an activity of 1.34 Bq. How old is the mummy?
1. 3 answers
2. asked by Sandhya
3. 426 views
Sodium Chloride is decomposed into the elements sodium and chlorine by means of electrical energy. How many grams of chlorine
1. 4 answers
2. asked by shaggy
3. 1,398 views
2Na + 2H2O > 2NaOH + H2How do i plug in the masses into this equation. or How do i find the mass relationship
1. 3 answers
2. asked by shaggy
3. 472 views
A grocery store has a gallon of milk for $2.30. They also have a 4 litter container of milk for $2.30. Which is the better buy
1. 3 answers
2. asked by Dj
3. 770 views
What is the pH of a 1.24 mol/L solution of HCN(aq) if its Ka = 6.2 x 10-10?Rate my answer please For your understanding: HCN ⇌
1. 4 answers
2. asked by Amandeep
3. 2,754 views
Which of the compounds below exhibit geometric isomerism (cis-, trans-)?1-chloro-1-pentene 1-heptene 1,2-dimethylcyclopentene
1. 4 answers
2. asked by lie
3. 771 views
In which of the following poems does the tone change from stanza to stanza?1) "Storm Ending" 2) "We Wear the Mask" 3) "Any Human
1. 2 answers
2. asked by Lucy
3. 542 views
Enter the oxidation number with the sign above each elementH2 OH^- Mg^2+ CO3^2-
1. 4 answers
2. asked by Amandeep
3. 431 views
1. during pollination, where is pollen transferred to?2. the endosperm that forms from the union of a sperm nucleus and the
1. 1 answer
2. asked by shaggy
3. 490 views
A________is an example of a compound fruit.a. blackberry b. pineapple c. both a and b
1. 1 answer
2. asked by shaggy
3. 300 views
The roots develop from the________A. hypocotyl B. radicle C. plumule D. cotyledons
1. 1 answer
2. asked by shaggy
3. 274 views
Following are rates of return on medical equip. company's stock and debt, and on the market portfolio, along with the
1. 1 answer
2. asked by teresa
3. 496 views
Securities A,B,C have the following;Sec. Exp.Ret. Beta A 10 .7 B 14 1.2 C 20 1.8 According to CAPM, what is the correct slope
1. 1 answer
2. asked by teresa
3. 310 views
Following are rates of return on a medical equipment company stock, debt, and market portfolio, along with probablity of each
1. 1 answer
2. asked by teresa
3. 418 views
i need help finding this diabetes how it affects the body, diabetes it affects the body,
1. 4 answers
2. asked by Dawn
3. 432 views
I have to match the following:A. Individualism versus collectivism answer: Humanity theory B. Popular theorist Eysenck initiated
1. 3 answers
2. asked by rose - Ms. Sue
3. 747 views
spanish and french explores came to north america looking for what
1. 3 answers
2. asked by kathy
3. 590 views
A portion of DNA molecules wound around a spool of histone protein is called aA. Centromere B. Nuclesome C. Spindle D. Furrow E.
1. 1 answer
2. asked by Anna
3. 508 views
After the death of Uthman, the Islamic world split into two groups: The Shiites and the what?I believe it is the Sunnis. Right?
1. 10 answers
2. asked by Tyler
3. 589 views
Islam spread quickly due to :Good roads Musilims who were expert traders and traveled widely. People making pilgrimages to
1. 1 answer
2. asked by Tyler
3. 458 views
Islam treated jews and christians with tolerance, but made them what?1)Pay special taxes 2)worship Abraham & Moses 3)follow the
1. 6 answers
2. asked by Tyler
3. 368 views
match-Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural E. Popular theorists include Maslow
1. 2 answers
2. asked by rose - Ms. Sue
3. 624 views
match-Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural E. Popular theorists include Maslow
1. 2 answers
2. asked by rose - Ms. Sue
3. 677 views
TiO2 + C + 2Cl2 > TiCl4 + CO2If you begin with 1.25 moles of TiO2, what mass of Cl2 gas is needed? i got 175g of Cl2 is my
1. 6 answers
2. asked by shaggy
3. 9,163 views
match-Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural A. Individualism versus collectivism
1. 2 answers
2. asked by rose - Ms. Sue
3. 591 views
how is heliocentric(planets and Earth revolve around the sun) connected to science?math? the world? you? and y is it important?
1. 1 answer
2. asked by anonymous
3. 348 views
what is the word for the definition stress that puches a mass of rock in two opposite directions??please help!
1. 1 answer
2. asked by sami
3. 447 views
I am super confused with permutations and combinations. I just don't see when you are supposed to use each one, and when you
1. 7 answers
2. asked by Destiny
3. 802 views
What is the larger group of Muslims?Shiites or the Sunnis Is the Shiites the largest group?
1. 3 answers
2. asked by Tyler
3. 516 views
My French teacher is having us write to our fifth grade pen pals, and I sent my first letter a while ago with everyone else in
1. 9 answers
2. asked by Nadine
3. 869 views
I am confused as to how light would work in the following question:Some very efficient streetlights contain sodium vapour under
1. 5 answers
2. asked by Corin
3. 1,025 views

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