Saturday
August 30, 2014

Posts by flame


Total # Posts: 85

Chemistry
Suppose a scientist is doing an experiment to determine the effent of a cancer drug on mice with lymphoma. a)What are some of the variables the scientist should control in the experiment? b)Describe the control group for this experiment. a) I want to say the cancer drug and ...
August 8, 2014

Chemistry
In a mountainous location, the boiling point of pure water is found to be 95°C. How many grams of sodium chloride must be added to 9 kg of water to bring the boiling point back to 101°C? Assume that i = 2.
January 27, 2013

Chemistry
A vessel containing 39.5 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If this required 17.8 cm3 of ethanol, what was the final temperature ...
January 24, 2013

calculus
thank you, i got it
April 8, 2011

calculus
limit of (|x+h|-|x|)/h as h goes to 0 at x=4 why is the answer 1?
April 8, 2011

english
is there such thing as "exercising of oversight on" ....
March 9, 2011

physics
how do you convert 3x10^-3 rad to 10 min of arce
December 5, 2010

chemistry
is there a typo to this cell notation answer Au(s)|AuCl4-(aq), Cl-(aq)|| F2(g)| F-(aq) |Pt(s) If i look at the anode, should Cl- stay on the side of Au not AuCl4- Au + 4Cl- yield AuCl4- + 3e
November 30, 2010

chemistry
The electrochemical cell described by the cell notation has an Eo of -0.37 V. Calculate the maximum electrical work (kJ) the cell has done if 331.73 g of Cu(s) (Molar Mass - 63.55 g/mol) reacts. Round your answer to 3 significant figures. Cu(s) l Cu+(aq) ll Sn4+(aq), Sn2+(aq) ...
November 28, 2010

chemistry
The electrochemical cell described by the cell notation has an Eo of -0.37 V. Calculate the maximum electrical work (kJ) the cell has done if 331.73 g of Cu(s) (Molar Mass - 63.55 g/mol) reacts. Round your answer to 3 significant figures. Cu(s) l Cu+(aq) ll Sn4+(aq), Sn2+(aq) ...
November 28, 2010

chemistry
The electrochemical cell described by the cell notation has an Eo of -0.37 V. Calculate the maximum electrical work (kJ) the cell has done if 331.73 g of Cu(s) (Molar Mass - 63.55 g/mol) reacts. Round your answer to 3 significant figures. Cu(s) l Cu+(aq) ll Sn4+(aq), Sn2+(aq) ...
November 27, 2010

chemistry
The electrochemical cell described by the cell notation has an Eo of -0.37 V. Calculate the maximum electrical work (kJ) the cell has done if 331.73 g of Cu(s) (Molar Mass - 63.55 g/mol) reacts. Round your answer to 3 significant figures. Cu(s) l Cu+(aq) ll Sn4+(aq), Sn2+(aq...
November 26, 2010

physics
An antelope is at a distance of 20.0 m from a converging lens of focal length 32.0 cm. The lens forms an image of the animal. If the antelope runs towards the lens at a speed of 5.50 m/s, what is the speed with which the image moves? 1/q= 1/32cm-1/2000cm q=32.5203252 dq/dt=-(...
November 16, 2010

english
What do you think about this situation? What is the assessment of this scernario Talk with a 22 year old male student and school athlete, plays water polo, about adapting while recovering from a broken pelvis. He feel he will lose his edge during recovery and that he may not ...
November 15, 2010

chemistry
if 0.4M NaOH is titrated with 0.4M HF, how do we calcualte the ph at equivalence. The book assumes each is 1L, but why do we use 1L * chemistry - Dr.Jim, Thursday, November 11, 2010 at 5:31am HF is a weak acid, so you need the dissociation constant. The pH at the equivalence ...
November 11, 2010

chemistry
if 0.4M NaOH is titrated with 0.4M HF, how do we calcualte the ph at equivalence. The book assumes each is 1L, but why do we use 1L
November 11, 2010

chemistry
for the complex ion equilibria between AgCl and NH3, why does NH3 replace Cl- and how do we know that we have to add 2 infront of NH3? Is the product a salt compound? Ag + 2NH3= Ag(NH3)2+
November 11, 2010

chemistry
for the complex ion equilibria between AgCl and NH3, why does NH3 replace Cl- and how do we know that we have to add 2 infront of NH3? Is the product a salt compound? Ag + 2NH3= Ag(NH3)2+
November 11, 2010

english
Does this sentence sound awkward she almost committed suicide had her brother not stopping her.
November 6, 2010

physics
nvm i got it
October 26, 2010

physics
A plane can fly at Mach 1.47, which means the speed of the plane is 1.47 times the speed of sound in air. What is the angle between the direction of propagation of the shock wave and the direction of the plane's velocity? How is the answer 47.1 degrees
October 26, 2010

chemistry
for the reaction, NaOH+HCl yield H20 + NaCl how is the rule that tells us Na goes with Cl and OH with H? Why does NaCl does not dissociate
October 24, 2010

english
identify five therapeutic listening and verbal responses does that phrase mean 5 of each or those two add up to be 5
October 16, 2010

social studies
I still dont get what is the difference between classic ethnography vs. contemporary ethnography
October 13, 2010

physics
A particle that hangs from a spring oscillates with an angular frequency ω. The spring-particle system is suspended from the ceiling of an elevator car and hangs motionless (relative to the elevator car) as the car descends at a constant speed v. The car then stops ...
October 8, 2010

physics
A particle that hangs from a spring oscillates with an angular frequency ω. The spring-particle system is suspended from the ceiling of an elevator car and hangs motionless (relative to the elevator car) as the car descends at a constant speed v. The car then stops ...
October 7, 2010

physics
A particle that hangs from a spring oscillates with an angular frequency ω. The spring-particle system is suspended from the ceiling of an elevator car and hangs motionless (relative to the elevator car) as the car descends at a constant speed v. The car then stops ...
October 6, 2010

calculus
Please tell whether im correct. decide whether function is autonomous ODE 1)dy/dx=(y-1)/x, i think this is autonomous since it doesnt depend on x right? 2)dy/dx=y-x, this is not since it depends on x
October 4, 2010

physics
why are we using the newton lost but not the newton remaining
October 4, 2010

physics
I tried doing this problem but couldnt get the right answer. I dont get how the answer is 2.19cm. Is the distance referring to the vertical or horizontal distance Four people, each with a mass of 73.5 kg, are in a car with a mass of 1190 kg. An earthquake strikes. The driver ...
October 4, 2010

physics
The amplitude of a system moving in simple harmonic motion is doubled. Determine by what factor does period change since T=2pi(m/k)^(1/2), so it doesnt change. When i typed in unchanged, it says wrong since "the correct answer is not zero". Should i put in "1&...
October 3, 2010

calculus
Please tell whether im correct. decide whether function is autonomous ODE 1)dy/dx=(y-1)/x, i think this is autonomous since it doesnt depend on x right? 2)dy/dx=y-x, this is not since it depends on x
October 2, 2010

calculus
when we do differentiable equation, do we need to time the constant c by a number for example, case A: 2y=3x+c is y=(3x/2)+c case B: -3y=x+c is y= (-x/3)+c case C: -y=x+c is y=-x-c
October 2, 2010

physics
for the answers, which velocity do i chose to convert to kg/s
September 27, 2010

physics
A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes? The velocity is the ...
September 27, 2010

math
d^2y/dx^2=1-dy/dx am i allowed to rearrange this to d^2y/dx^2-dy/dx=1 and say this is a linear ODE
September 26, 2010

physics
how do i convert the answer to kg/s
September 24, 2010

physics
A horizontal pipe 17.00 cm in diameter has a smooth reduction to a pipe 8.50 cm in diameter. If the pressure of the water in the larger pipe is 8.00 104 Pa and the pressure in the smaller pipe is 6.00 104 Pa, at what rate does water flow through the pipes?
September 24, 2010

math
can a function be continuous when it has horizontal assymptote
September 23, 2010

english
How can I fix this sentence? Julie should show her concerns toward the patient by asking, “How do you feel now?” or “If you have anything to share with me, I am happy to stay here with you and listen to your problems?”
September 22, 2010

math
how is the limit of x^2/(1-cos^2(x)) as x goes to 0 is 1. I know how to show this using l'hopital rule. But can you show this using the rule that limit of (1-cosx)/x=1 as x goes to 0 and limit of sinx/x=1 as x goes to 0
September 20, 2010

english
How can I fix this sentence? If I knew that the caring journal would be due on September 27, I would try to finish it on the fourth week.
September 20, 2010

english
Is this sentence better? Although Johnson does not know whether she is doing a right choice,I believe that she does make a good decision in contacting other doctors and nurses.
September 20, 2010

english
how can i make this sentence more concised She also demonstrates that the patients can make an impact on the nurses and influence them to care for the patients like their own family
September 19, 2010

english
Although Ashley does not know whether she is doing a right choice in helping Mr. Roby, I believe that she does make a good decision in contacting other doctors and nurses
September 19, 2010

english
how can i fix this sentence a woman who comes to Ashley for a routine blood pressure check in the clinic shares the news to Ashley that her 19-year-old daughter is pregnant
September 19, 2010

english
lack of emotional support shows that she does not try to develop relationship with the patients
September 12, 2010

english
lack of emotional care or a lack of emotional care
September 12, 2010

english
Ashlee, author of "Flask", is a compassionate and caring nurse. Do i need "the" infront of "author" and "article" before or after "Flask"
September 12, 2010

english
Is this right after i fixed the sentence? Also did i use phrase "more than expected" in the sentence correctly? If I were Ashlee, I will not think that I would be able to provide assistance, more than expected, to the patient’s personal life besides physical care
September 12, 2010

english
is there anything wrong with this sentence? How would i change the emotional-traumatic female because it sounds repetitive She is a compassionate and caring nurse who provides emotional treatment and support services to an emotional-traumatic female patient during a healing ...
September 12, 2010

english
please help me to correct this sentence If I were Ashlee, I would not think that I would be able to provide assistance, more than expected, to the patient’s personal life besides physical care
September 11, 2010

english
is this sentence correct? She teaches me not to turn a blind eye on the helpless patients, be it humans or animals, whenever I see them.
September 10, 2010

english
are these words count noun? obligation, compassion
September 10, 2010

science
is it right if i say that people dont even know that they have diabetes at the early stage of disease
July 4, 2010

business
im trying to look for do look alike glucose meter affect business. Its obviously yes but its so hard to find on google?
July 3, 2010

business
im trying to find the cost of development and production of glucose meter such as animal testing and clinical trials. Do you know any sites that will give me some info. I tried google but it didnt help
July 3, 2010

business
Can anyone help me with this, i spent 1 hour trying to search this on google but nothing pops up. This is about self monitoring blood glucose at home who donated the startup costs(it would be great to include the amount) for development and prodution of glucose meter and what ...
June 30, 2010

chemistry
can you check if i write the reaction right CH3NH2 + HClO4 yields CH3NH3ClO4 then CH3NH3ClO4 yields CH3NH3 + ClO4 then CH3NH3 + H20 yield CH3NH4+ + OH-
June 5, 2010

english
haha thanks, yeah i was typing too fast and forgot to capitalize those
June 3, 2010

english
is this sentence ok if you are wondering I got lost or not, the answer is that i did reach safely
June 3, 2010

english
whats wrong with this part they understand each other feelings
June 3, 2010

english
what is wrong with these two parts 1) his tone is triumphing 2) by telling his achievement(am i missing of between telling and his)
June 1, 2010

english
i hesitated or i was hesitated
June 1, 2010

english
how do i express sighing by using punctuations instead of using the word "sigh", or is there any other way to do it beside punctuation
May 25, 2010

english
my mind refused to let me do that or does that
May 19, 2010

english
when you talk about wearing robe(as in clothing), do we need an s at the end of robe
May 18, 2010

chemistry
sorry i post in the wrong forum
May 18, 2010

chemistry
how do you write teasing in an adjective way, like use the word to decribe the tone
May 18, 2010

english
is there anything wrong with this sentence: it manipulates her feelings from immaturity to seriousness
May 16, 2010

english
they want to imitate her or imitate as her
May 16, 2010

english
her failure is their failure also. can i rewrite that to her failure is theirs also
May 16, 2010

english
for the word manner, when do i use it as plural
May 16, 2010

english
she is a driving force of inspiration to the children and teenagers. Do i need an article in infront of inspiration(a or the)
May 16, 2010

english
they identify with her or they identify themselves with her
May 16, 2010

english
they put their trust on her or in her
May 16, 2010

english
do we refer to disney as they or it
May 16, 2010

english
As for the teenagers, Ashlie’s behavior is like a reminiscence of their childhoods or Ashlie's behaviors are like reminiscence of their childhoods. What i'm confused is that do i need to make behavior as plural
May 16, 2010

english
they will not criticize her bad influence since [they themselves are like this also] or [they are like this also]. Do in need the word themselves in between and do i need to make influence as plural
May 16, 2010

english
her behavior is like a reminiscence of their childhoods. or her behaviors are like reminiscence of their childhoods.(do i need an "s" on reminiscence)
May 16, 2010

english
so i should write it this way: they value free-thinking behavior, expressing themselves freely and individualism where they should act according to themselves
May 16, 2010

english
from an impulsive to a mannered girl. or from an impulsive girl to a mannered girl
May 16, 2010

english
is there anything wrong with this sentence: they value free-thinking behavior, expressing oneself freely and individualism where one should act according to themselves
May 16, 2010

Chemistry
I am having trouble answering a question and need some advise. If one proton is taken from a nucleus of a sample of Au79 i would get platinum 78 and if one was added i would get Mercury 80. I am trying to decide which one is the more valuable financially. Platinum I think is ...
February 10, 2007

math/What is a interval in math terms?
IDK U TELL ME
January 30, 2007

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