Wednesday
May 6, 2015

Posts by Liz


Total # Posts: 1,206

Reseach paper
I too am just one of many people on here doing the same paper and so far I havnt been able to find much to help answer the questions and get this paper written. NO I dont want anyone to do my work for me but my goodness a little help would be nice. Good Luck to everyone trying...
June 21, 2008

writing skills
which one of the following sentences contains an unnecessary word? A.Why dont you leave before the crowd arrives B.The snake raised up its head and struck C.She left early, thoguh he told her not to. D.Rich was angry, but he concealed his feelings
June 20, 2008

statics
If a court acquits every defendant, they will never commit a Type I error. A) True B) False 2. The probability of rejecting a true null hypothesis increases as the sample size increases. A) True B) False 3. For a given level of significance, the critical value of Student's...
June 7, 2008

chemistry
so its 2 electrons?
April 15, 2008

chemistry
How many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water?
April 15, 2008

Literature poetry, part 1
If this be error and upon me proved, I never writ, nor no man ever loved. These lines are an example of a/an a. quatrain b. octet c. couplet d. sestet
April 15, 2008

theology
How does the Book of Daniel present a spiritual message? What is the main purpose of this message?
April 5, 2008

math
From the foot of a building I have to look upwards at an angle of 22 degrees to sight the top of a tree. From the top of the building, 150m above ground level, I have to look down at an angle of 50 degrees below the horizontal to sigh the tree top. a.) How hight is the tree? b...
March 25, 2008

math
Two observation posts are 12km apart at A and B. From A, a third observation post C is located such that angle CAB is 42 degrees while CBA is 67 degrees. Find the distance of C from both A and B.
March 25, 2008

math
prove the following trigonometric identity: (cos x/(1+sinx))+tanx = secx
March 12, 2008

world literature
How do poets utilize literary devices and conventions to develop themes in their poetry? I don't understand how to read a poem so I understand what it is really saying either?
March 11, 2008

chemistry
Definitely C
February 10, 2008

simple math
i just wanted to know how many significant figures in the number 100
February 10, 2008

trig
Determine the height of a tree which casts a shadow of 13.7m when the sun is at an angle of 28 degrees.
February 3, 2008

math
find the constant term of the expansion of (3x²+(1/x))^8 I don't know where to start =\
February 3, 2008

math
Find the coefficient of x³ in the expansion of (2x+5)^6
February 3, 2008

Math
Use Pascal's triangle to expand (a+b)^6 and hence find the binomial expansion of: (x-3)^6
February 3, 2008

Spelling/Analogy
i think this site sukes i give it no stares in less you are as dum as dirt
January 30, 2008

math
what is probability
January 28, 2008

astronomy
yes this is explained much better thank you for your time
December 14, 2007

astronomy
my book tells me the answer is 49 AU. I am just not getting the calculation. Please help
December 14, 2007

astronomy
if a comet is 125 years from sun and has a perihelion distance of 1. AU..What is the aphelion distance? I formulated it this way, is this right? 125years^2/1.AU^3= 15,625
December 14, 2007

science
balance FeS2 + O2 < Fe2O3 + So2
December 13, 2007

science
how do you balance the equation below? Mg + O2 > MgO
December 13, 2007

astronomy help please
A planet is growing by accretion of material from the solar nebula. Suppose that as it grows, its density remains constant. Does the force of gravity at its surface increase, decrease, or stay the same? Why? Also, What would happen to the surface gravity as the radius of the ...
December 13, 2007

thank you
thank you
December 13, 2007

Astronomy help
If a comet has a perihelion distance of 1.AU and an orbital period of 125 Earth years.. What is the comet's aphelion? Cannot seem to find the correct calculation
December 13, 2007

Astronomy
Are you saying that as the radius of the planet doubled the surface gravity would double too and it is because of the answer you gave before
December 13, 2007

can you explain what you are saying
cannot understand your point
December 13, 2007

Astronomy
A planet is growing by accretion of material from the solar nebula. Suppose that as it grows, its density remains constant. Does the force of gravity at its surface increase, decrease, or stay the same? Why? Also, What would happen to the surface gravity as the radius of the ...
December 13, 2007

Astronomy
If a comet has a perihelion distance of 1.AU and an orbital period of 125 Earth years.. What is the comet's aphelion? Cannot seem to find the correct calculation
December 13, 2007

Astronomy
Describe in one sentence the rotations and revolutions of the planets.
November 23, 2007

Astronomy
How could you tell if a moon or planet did not form with the rest of the solar system bodies? How might it have gotten there then?
November 23, 2007

Astronomy
Do the rotations of the solar syatem bodies seem to indicate that most of them formed together at the same time in the same way, or seperately under different conditions?
November 23, 2007

thanks
thanks
November 23, 2007

Astronomy
In one sentence I need to describe the shapes of the orbits of the planets. The shape must be accounted for in a model of the solar system, and of the solar system formation. My answer would be that the shapes of the orbits are round. Yet this seems to obvious! Need help.. is ...
November 23, 2007

Math
i feel your hatred. veronica... i feel ya
November 20, 2007

Astronomy
How did the voyager mission change our preconception of Jupiter and its moons
November 9, 2007

physical science
are alkali metals or alkaline earth metals soft silver - white, shiny metals
November 7, 2007

physical science
flourine is a halogen is it also a non-metal
November 7, 2007

science
Never found in nature uncombined? Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family Halogen Family Noble Gases
November 7, 2007

physical science
do not noramlly react with other elements? Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family Halogen Family Noble Gases
November 6, 2007

Physical science
Never found in nature uncombined? Alkali metals Alkaline Earth Metals Boron Family Carbon Family Nitrogen Family Oxygen Family Halogen Family Noble Gases
November 6, 2007

physical science
what is transition metal number 24 a common solid halogen family 13 bears this name
November 6, 2007

pre-algebra
what is the answer for this equation? -4x+9x
November 6, 2007

physical science
The exact question how are the following terms related - subatomic particels and atomic mass unit. The heading on the page is review and reinforcement structure of an atom - the three main subtomic particles are the proton, the nuetron and the electron.
November 4, 2007

physical science
The exact question how are the following terms related - subatomic particels and atomic mass unit. The heading on hte apge is review adn reinforcement structure of an atom - the three main subtomic particles are teh proton, hte nuetron and hte electron.
November 4, 2007

physical science
what is a one sentence that describes how subtatomic particles and atomic mass unit are realted?
November 4, 2007

13 colums science
K S S S S S S J S S F S S S S S S S S S D S S R S S S S S S
November 4, 2007

science
The following is a periodic table below All the letters are in squares The S = an empty square 13 Colums in total Questions: 1. What pair of elements is in the same period? D and R 2. Which pair of elemetns is in hte same family? K and F 3. Which element has the smallest ...
November 4, 2007

science Dr. Bob /Pursley
this is the chart we were given S = empty square 13 columns Question which elemnts are classified as metals. K S S S S S J S S F S S S S S S S S S D S S R S S S S S S
November 4, 2007

science -purlsey/DrBob
If K is the single one would it still be a metal? see prior question for chart also if the question asks for metals does it mean transitional and metaloids
November 4, 2007

science
The following is a periodic table below All the letters are in squares The S = an empty square 13 Colums in total Questions: which elements would be classified as metals is it just D & R or other metals which would be J K S S S S S J S S F S S S S S S S S S D S S R S S S S S S
November 4, 2007

science
How does an electron relate to energy level? How does subatomic particles relate to atomic unit? The reviews ask for 1 to 2 sentences.
November 4, 2007

science Dr Bob
In reference to table you helped me with the last question is which elements would be classified as metals. Does this include just metals or metals and alltoids and other metals I answered D & R I have a huge test thanks so much.
November 4, 2007

Physical science
The question which elements would be classified as metals? Would this include: metals - other metals and metaloids. Does metaloids fall under hte category of metals - we are to look at the periodic table and list the metals - not sure if this inclds metaloids and other metals
November 4, 2007

Phyiscal science test monday
The following is a periodic table below All the letters are in squares The S = an empty square 13 Colums in total Questions: 1. Which pair of eleemtns has hte same number of valence electrons? clueless 2. What pair of elements is in the same period? D and R 3. Which pair of ...
November 4, 2007

physical science
How is an electron related to an electron cloud
November 4, 2007

physical science
How is a subatomic particle related to atomic mass unit How is an electron related to enrgy level. Our study guide asks 1 to 2 sentences
November 4, 2007

physical science
how is an electron related to atomic mass how is an isoptope related to mass number I truly do not understadn how they are realted any help
November 4, 2007

physical science
how is an electron related to atomic mass how is an isoptope related to mass number
November 3, 2007

physical science
how is subatomic particles related to atomic mass unit how is an electron related t oenergy level
November 3, 2007

physical science
How is an isotope and a nuetron related? how is an atomic number and a proton realted?
November 3, 2007

physical science
What is the substance name for NH3
November 3, 2007

physical science
is AL ( aluminium) an element compound formula atom molecule
November 3, 2007

physical science
Most easily observed in the behavior of large objects electromagnetic strong force gravity weak force I answered electromagnetic
November 3, 2007

physical science
the greatest of the 4 forces would be strong force not electromagnetic force - I am a little confused from the reading
November 3, 2007

physical science
which one opf the 4 forces opposes the electromagnetic force in the nucleus of an atom: strong force weak force gravity I thought it was stong force
November 3, 2007

physical science
O = oxygen o2 = ??? it ask for us to name the substance.
November 3, 2007

physical science
we have a whole list and I am confused and can someone help me with the first 2 as a reference to use. substance O substance O2 **these are both seperate lines** name = under the rest we check appropriate box element compound symbol formula atom molecule
November 3, 2007

physical science
which one is responsible for holding an atom together strong force weak force electromagnetic gravity I answered both weak force and strong force
November 3, 2007

physical science
which one opf the 4 forces opposes the electromagnetic force in the nucleus of an atom: strong force weak force gravity I thought it was stong force
November 3, 2007

physical science
is this correct or incorrect nonmetal are elements that tend to gain electrons in chemical reactions.
November 3, 2007

phyiscal science
which one opf the 4 forces opposes the electromagnetic force in the nucleus of an atom: strong force weak force gravity I thought it was stong force
November 3, 2007

phyiscal science
I have to choose one as the greatest of the 4 forces. gravity - weakest weak force - no so it would have to be strong force or electromagnetic force
November 3, 2007

phyiscal science
can you help me with the first two - I have a chart of 20. Substance O - check any appropriate element - compound - symbol-formula - atom - molecule Substance O2 - check any appropriate element - compund - symbol-formula- atom - molecule
November 3, 2007

physicalscience
1. which one of the 4 keeps electrons in orbit around the nucleus? electromagnetic force weak force strong force gravity 2. which is the greatest of the 4 fources
November 3, 2007

physical science
is this correct if not we are to replace the word families elements that have the properties of both metals and non-metals are called families I think it is metaloids?
November 3, 2007

physical science
a family of elements is the same as a group. is this or should it be a family of elements is teh same as a column
November 3, 2007

physical science
a family of elements is the same as a group. The word groud needs to be replaced with the correct word????
November 3, 2007

physical science
is a property of metals luster
November 3, 2007

physical science
the question ask if charcoal has a luster - and is maleable. I know it is not maleable - but does it have a luster - I am guessing no.
November 3, 2007

physical science
Thanks got thru all but one Element P has an atomic number of 92 and atomic mass of 238. Element s has 92 protons and 143 neutrons. atomic number and protons are the same would htese two elements be an isotope or different elements
November 2, 2007

physical science
Can someone explain this to me. Element D has 6 protons and 7 neutrons Element F has 7 protons and 7 nuetrons are the pair isotopes or different elements
November 2, 2007

Algebra
?I was wondering if you could tell me
October 29, 2007

math
there are 3 dwrs
October 29, 2007

math
Low-voltage lighting is a popular feature of landscaping. Two pathways meet at 30 degrees to each other. One pathway has the lighting, and the first light is placed where the two paths meet. The distance between successive lights is 5m, and each has a range of effective ...
October 29, 2007

Algebra
please check my answers. thanxs! Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation. x^2 - 6x + 5 > 0 -I got (-ininity,1) u (5, infinity) x^2 - 3x - 18 < 0 -I got (-infinity,-3) u (6, infinity) x^2...
October 24, 2007

Inequality
please check my answers. thanxs! Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation. x^2 - 6x + 5 > 0 -I got (-ininity,1) u (5, infinity) x^2 - 3x - 18 < 0 -I got (-infinity,-3) u (6, infinity) x^2...
October 23, 2007

Chemistry
thank you!
October 17, 2007

Chemistry
1.What is the formula for finding percent water hydrates? 2. And what is molecular formula?
October 17, 2007

science
physical or chemical change 1. a water molecule gains enough energy to enter the vapor phase? 2. anti freeze is added to a car radiator to lower the freezing point. 3. a glowing splint placed in a test tube causes it to make a loud "pop"
October 6, 2007

physical science
can two or more elements be combined chemically to make a new element? Explain. My answer: No, it becomes a compound which is a substance combined of two or more elements chemically combined not sure if correct - I am doing the review and not sure of a few questions thanks
October 6, 2007

physical science
Does not settle on standing: I answered homogeneous mixture - solution and compound is this correct? Can seperate when allowed to stand alone I answered heterogenous mixture * choices solution, compund, heterogenous mixture and homogeneous mixture
October 6, 2007

physical science
does not settle on standing? homogeneous mixture, solution and compound is this correct? can seperate when allowed to stand? only heterogenous mixture.
October 6, 2007

physical science
SO CONFUSED???? IS suntan lotion a homogeneous or heterogenous mixture and do heterogenous mixtures often appear clody GRATEFUL
October 6, 2007

science
is salad dressing - homogenous or heterogenous if it is homogenous is it solution or colloids 8th grade science " just says salad dressing"
October 5, 2007

science HELP
these are the ones we could not figure out? Are these heterogenous or homogenous ( if homogenous are they solutions or colloids) lemonade brass paint suntan lotion stainless steel
October 5, 2007

Math
4/5 of 10=
October 3, 2007

spanish
To circle the indirect object pronouns and draw an arrow to the indirect objects they stand for. Es muy divertido comprar regalos para mi familia y mis amigos. I circled regalos and drew the arrow to mi familia y mis amigos QUESTION: is regalos circled or just the los( in ...
October 1, 2007

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. 11
  14. 12
  15. 13
  16. Next>>

Members