Wednesday
September 17, 2014

Posts by rebekah


Total # Posts: 454

french
so is it asking which i dont like?
November 29, 2011

french
I am trying to find the translation of this sentence but it is kinda funky. Au(x)quel(s) ne voulez-vous point ressembler? do you know what it means in english? thanks
November 29, 2011

French
I am trying to find the translation of this sentence but it is kinda funky. Au(x)quel(s) ne voulez-vous point ressembler? do you know what it means in english? thanks
November 29, 2011

Foods Culture
how about plating?
November 27, 2011

Foods Culture
what are some special methods of serving food in east asia and in southern asia? some websites with info would be great!
November 27, 2011

English- dracula
thanks!
November 22, 2011

English- dracula
What are some examples of moral seriousness in dracula?
November 22, 2011

Math
That's the way I got the answer too. Thank you!!!
November 1, 2011

Math
Find the missing number. 5/15 = ?/3 Is 1 the correct answer?
November 1, 2011

English
Can you guys proof read part of an essay im writing. I know you do not know the context but, im just talking about the grammar issue. here it is: Along with the tension that goes on between Mr. And Mrs. Bennet, Charlotte and Mr. Collin’s marriage is not all happy giddy. ...
October 13, 2011

physics
A lamp hangs vertically from a cord in a descending elevator that decelerates at 2.6 m/s2. (a) If the tension in the cord is 54 N, what is the lamp's mass? (b) What is the cord's tension when the elevator ascends with an upward acceleration of 2.6 m/s2?
October 4, 2011

french
I am doing a debate in french and my side is that the HLM in France isnt working and it should be replaced with a new type of system. Do you know any websites with information about the HLM in france. All I can find in wikipedia. also any charts or graphs showing like the ...
September 19, 2011

French
I am doing a debate in french and my side is that the HLM in France isnt working and it should be replaced with a new type of system. Do you know any websites with information about the HLM in france. All I can find in wikipedia. also any charts or graphs showing like the ...
September 19, 2011

physics
A car moving with constant acceleration covered the distance between two points 60.0 m apart in 6.00 s. Its speed as it passed the second point was 15.0 m/s. (a) What was the speed at the first point? (b) What was the magnitude of the acceleration? (c) At what prior distance ...
September 10, 2011

geometry
A triangle has a ratio of 3:8:9 what is the measure of the smallest angle
June 15, 2011

random question
*in them
May 9, 2011

random question
what words have the word or sound of 'mole' in the. this is for a science project i am doing. we are given out lines of the animal a mole and we have to make a mole but have like a theme to it kinda. like someone did a camel(camole) thanks
May 9, 2011

Chem
That makes sense! Thanks:)
May 8, 2011

Chem
Use the following reactions to arrange the elements A, B, C, and D in order of their redox activity, from greatest to least. 2 A + B2+ --> 2 A+ + B B + D2+--> B2+ + D A+ + C -->No reaction 2 C + B2+ --> 2 C+ + B Can someone explain? thanks
May 8, 2011

Chem
balance the half-reaction. (Type your answer using the format CO2 for CO2, [NH4]+ for NH4+, and [Mg]2+ for Mg2+. Use the lowest possible coefficients.) I am sooo confussed (a) S(s) --> H2S(g) thanks
May 5, 2011

Chem
Assign an oxidation state to each atom in each of the following compounds. Fe(CN)3 Fe: 3+ (i know this is correct) C N im not sure about the other two
May 5, 2011

chem
true or false?? a)If there are no changes in the oxidation state of the reactants or products of a particular reaction, that reaction is a redox reaction. false? b)A reducing agent gets oxidized as it reacts. true?
May 3, 2011

Quotes about English language origin
ooooooooo I am liking these quotes. Thankyou Ms. Sue and Writeacher!
April 30, 2011

Quotes about English language origin
So I wanted to start my etymology paper about fascinating word origins with a quote as my attention grabber. I am looking for a quote that talks about the english language and the origin of most of its words. Some interesting quote. I don't even know if there is a type of ...
April 30, 2011

Etymology
Thanks soooo much:)!
April 30, 2011

Etymology
So I posted like 3-4 weeks ago that I was doing a project about fascinating etymology stories and I got a few great websites:) I only could find a few really funny and interesting stories that my classmates would actually enjoy/ want to listen to. I have been to fun-with-words...
April 30, 2011

chemistry
If 0.075 g of MgF2 dissolves per liter of solution, calculate the solubility-product constant. I got 2.0e-9 but it was not correct.
April 27, 2011

Chem
(c) Using the appropriate Ksp value from Appendix D, calculate the solubility of Cu(OH)2 in grams per liter of solution. Appendix D: Ksp for Cu(OH)2 = 4.8 x 10-20 thanks!
April 27, 2011

Chem
I got A I just need b and c:)
April 27, 2011

Chem
oops... (c) Using the appropriate Ksp value from Appendix D, calculate the solubility of Cu(OH)2 in grams per liter of solution. Appendix D: Ksp for Cu(OH)2 = 4.8 x 10-20
April 27, 2011

Chem
(a) The molar solubility of Ag2CrO4(s) at 35°C is 1.3 10-4 mol/L. Calculate Ksp. (b) If 0.0490 g of AgIO3 dissolves per liter of solution, calculate the solubility-product constant. (c) Using the appropriate Ksp value from Appendix D, calculate the solubility of Cu(OH)2 in...
April 27, 2011

Chemistry
is it 6.429x10^-9?
April 27, 2011

Chemistry
A 1.00 L solution saturated at 25°C with lead(II) iodide contains 0.54 g of PbI2. Calculate the solubility-product constant for this salt at 25°C. thanks
April 27, 2011

1950's Food
For english im in a group that is doing a presentation on 1950 food. Were going to be making rice crispy treats and bringing them in since that was a popular dessert during the time. but we want to make it.. for lack of a better word, interesting. so does anyone know of ...
April 25, 2011

Amer lit
Is there any website online where I can read the full book "Betty Crocker Picture Cook Book"? thanks
April 21, 2011

chemistry
So no effect?
April 20, 2011

chemistry
I got it I just need help on this one... The gas phase reaction between nitrogen gas and oxygen gas to give NO gas is an endothermic process since 180.8 kJ of heat energy is absorbed when 1 mol of nitrogen reacts with 1 mol of oxygen. In which direction will the equilibrium be...
April 20, 2011

chemistry
The gas phase reaction between nitrogen gas and oxygen gas to give NO gas is an endothermic process since 180.8 kJ of heat energy is absorbed when 1 mol of nitrogen reacts with 1 mol of oxygen. In which direction will the equilibrium be shifted if the temperature is increased...
April 20, 2011

Chem
Consider the exothermic reaction CoCl42-(aq) + 6 H2O(l) --> Co(H2O)62+(aq) + 4 Cl -(aq). Will the equilibrium concentration of CoCl42- increase or decrease when the following changes occur? (a) HCl is added. increases decreases .(b) Co(NO3)2 is added. increases decreases .(...
April 19, 2011

Check my answers? (Chemistry)
Now I just need 3 and 4 checked
April 19, 2011

Check my answers? (Chemistry)
I only get one chance for each of these questions so I was wondering if someone could check my answers, thanks! 1. Consider the following reaction at equilibrium. 2 BrNO(g) ---> 2 NO(g) + Br2(g) Predict the effect of the following changes to the reaction mixture. (a) adding...
April 19, 2011

American kitchen technology in the 1950s
Do you know of any websites that talk about new cooking technology inventions that were created/ starting to be used in the 1950s? Thanks:)
April 18, 2011

chemistry
I posted a question similar to this one a few days ago and someone helped me with it. but now im on a similar one and i did the same thing to find the answer but it was wrong. what am i doing wrong? An equilibrium mixture of the following reaction was found to have [CH4] = 0....
April 17, 2011

chem
Thanks:)
April 16, 2011

chem
An equilibrium mixture of the following reaction was found to have [COF2] = 0.255 M and [CF4] = 0.118 M at 1000°C. What is the concentration of CO2? 2 COF2(g) CO2(g) + CF4(g) Keq = 2.00 at 1000°C Thanks:)
April 16, 2011

chem
Consider the following reaction. 2 NO(g) + 2 H2(g) N2(g) + 2 H2O(g) An equilibrium mixture of this reaction at a certain temperature was found to have [NO] = 8.1 10-3 M, [H2] = 4.1 10-5 M, [N2] = 5.3 10-2 M, and [H2O] = 2.9 10-3 M. What is the value of the equilibrium constant...
April 15, 2011

chem
how can you tell if two reactants will make a buffer?
April 14, 2011

chem
Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution? (Select all that apply.) NaCN and HCN NaCN and NaOH HCN and NaOH HCl and NaCN HCl and NaOH and Which of the following gives a buffer solution when equal...
April 12, 2011

chem
Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution? (Select all that apply.) NaCN and HCN NaCN and NaOH HCN and NaOH HCl and NaCN HCl and NaOH I thought it was the middle three because each either has a ...
April 10, 2011

chem
Give the conjugate base of the following Bronsted-Lowry acids. (Type your answer using the format CO2 for CO2, [H2AsO4]- for H2AsO4-, and [Ni(CN)4]2- for Ni(CN)42-.) 1) H2SO4 I have tried H[SO4]- and just HSO4 but they are both wrong:(
March 31, 2011

Chemistry
calculate the freezing and boiling points of each of the following solutions. (a) 0.37 m glucose in ethanol freezing point ______I got -1.2e2 but its wrong_______°C boiling point _________I got 1.1e2 but its wrong:(____°C (b) 15.0 g of decane, C10H22, in 37.9 g CHCl3 ...
March 24, 2011

Chemistry (repost)
I keep getting the same thing for b. .17
March 19, 2011

Chemistry (repost)
Determine the volume of 0.240 M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is shown below. H2SO4(aq) + 2 KOH(aq)---> K2SO4(aq) + 2 H2O(l) a) 26 mL of 0.240 M H2SO4 b) 143 mL of 0.14 M H2SO4 for a I got ....
March 19, 2011

chem
Thanks!
March 19, 2011

chem
What is the molarity of ZnCl2(aq) that forms when 15.4 g of zinc completely reacts with CuCl2(aq) according to the following reaction? (Assume a final volume of 175 mL.) Zn(s) + CuCl2(aq) --> ZnCl2(aq) + Cu(s) I got the moles of Zn but dont know what to do with it thanks
March 19, 2011

Chemistry
Im confused, where did you get NaOH?
March 18, 2011

Chemistry
Determine the volume of 0.240 M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is shown below. H2SO4(aq) + 2 KOH(aq)---> K2SO4(aq) + 2 H2O(l) a) 26 mL of 0.240 M H2SO4 b) 143 mL of 0.14 M H2SO4 for a I got ....
March 18, 2011

chem
thanks:)
March 9, 2011

chem
so would it be 2.86?
March 9, 2011

chem
...A dioxin-contaminated water source contains 0.044% dioxin by mass. How much dioxin is present in 6.5 L of this water? (Assume that the density of the solution is 1.00 g/mL.) thanks
March 9, 2011

chemistry
Picking any two compounds, how do you describe which one has a higher dispersion force using the words Larger electron cloud and polarizability? Thanks:)
March 4, 2011

chem
Indicate the type of crystal (molecular, metallic, covalent-network, or ionic) each of the following would form upon solidification. 1. B
March 1, 2011

chem help urgent!
nvm i got it wrong:(
March 1, 2011

chem help urgent!
i only have one submission for these and i dont' really know how to tell which one has the higher boiling point. can you help? Of each pair of solids, which one has the higher melting point? Kr(s) or Cu(s) and.. CCl4(s) or SiCl4(s)
March 1, 2011

Chemistry
Of each pair of solids, which one has the higher melting point? a) HCl and KCl b) Cu and Kr. Can you please explain? How do you know the melting point? Is it the type of intermolecular force that they have? thanks!
February 28, 2011

science
actualy Kr and Cu. thanks:)
February 28, 2011

science
Of HOOH(s) and TiO2(s) which one has the higher melting point?
February 28, 2011

chem
Which of the following compounds would be expected to form intermolecular hydrogen bonds in the liquid state? (Select all that apply.) HCO2H CH3OCH3 (dimethyl ether) CH3CO2H (acetic acid) CH3OH (methanol) thanks:)
February 26, 2011

chemistry
What intermolecular force(s) must be overcome to do the following. (a) sublime ice hydrogen bonding dipole-dipole interactions (not hydrogen bonding) induced-dipole/induced-dipole forces ion-dipole force You can choose one. Can some one please explain. I know the ...
February 26, 2011

chem
What type(s) of intermolecular force is (are) common to each of the following. (Select all that apply.) 1) Xe and methanol (CH3OH) a)london-dispersion forces b)dipole-dipole c)hydrogen bonding i put a and b but it was wrong 2)CH3OH and acetonitrile (CH3CN) a)london-dispersion ...
February 24, 2011

chem
Name the phase transition in each of the following situations and indicate whether it is exothermic or endothermic. (a) Frost appears on a window on a cold winter day. Is frost considered a liquid? I am really confused thanks:)
February 23, 2011

chem- drbob222 please help
my original question was: how do i figure this out?? How much heat does your body lose when 2.46 g of sweat evaporates from your skin at 25°C? chem - DrBob222, Tuesday, February 22, 2011 at 10:52pm q = mass water x delta Hvaporization. chem - Rebekah, Wednesday, February ...
February 23, 2011

chem
so 44.0 kj/1mol X 2.46g? i tried that and got it wrong. am i suppose to convert g to kj?
February 22, 2011

chem
how do i figure this out?? How much heat does your body lose when 2.46 g of sweat evaporates from your skin at 25°C?
February 22, 2011

Health
Also I have been looking around but not really sure. Can hypochondria be inherited?
February 19, 2011

Health
So for my health class I have to make a 4 slide powerpoint and on one of the slides I have to have the Name of the Mental illness and Definition/Classification. I have the name (Hypochondria) and the definition. Is the classification the same thing or something different. ...
February 19, 2011

chem
is SiS2 polar or nonpolar? Why? I think its non but when I searched it people were saying polar thanks:)
February 3, 2011

Any suggestions for easy french dessert?
Thanks!
February 2, 2011

Any suggestions for easy french dessert?
ok so for my school we have this thing called OCMC (One Community Many Cultures) and I have to make a poster and then for extra credit I can make a french food. I wanted to make a french dessert (Something that doesnt have to be hot or cold and can sit in room temp for 2 hours...
February 2, 2011

chemistry
Write electron configurations for the following ions, and determine which have noble-gas configurations. (Type your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.) Ru2+ thanks
January 20, 2011

Chemistry
A student mixes 100.0 mL of 0.300 mol/L silver nitrate solution with 100.0 mL of 0.300 mol/L calcium chloride solution. a) Determine the theoretical yield of the precipitate. b) If the actual mass of precipitate is 4.00g, calculate the percent error of this experiment.
January 8, 2011

Chemistry
this is what i have so far: 2AgNO3 + CaCl2 ---> 2AgCl + Ca(NO3)2 for AgNO3: V= 0.100L c=0.0300 mol/L n=cV = 0.03 mol for CaCl2: V= 0.100L c=0.0300 mol/L n=cV = 0.03 mol and now I don't know how to determine the limiting reactant.
January 8, 2011

Chemistry
A student mixes 100.0 mL of 0.300 mol/L silver nitrate solution with 100.0 mL of 0.300 mol/L calcium chloride solution. a) Determine the theoretical yield of the precipitate. b) If the actual mass of precipitate is 4.00g, calculate the percent error of this experiment.
January 8, 2011

chem
What is the frequency of radiation whose wavelength is 19.80 ? thanks:)
January 6, 2011

chem
Calculate the number of grams of magnesium nitride necessary to produce 2.02 L of ammonia gas at STP. I got 4.55g for the upper question which is correct but idk how to do the bottom one: How many moles of magnesium hydroxide can also be formed? Mg3N2(s) + 6 H2O(l)--> 3 Mg(...
December 9, 2010

chemistry
classify in as many ways possible 2 Rb(s) + Br2(g) --> 2 RbBr(s) acid-base double-displacement gas evolution oxidation-reduction precipitation single-displacement synthesis thanks
November 29, 2010

chemistry
what is the cation and anion of Na3PO4? thanks
November 28, 2010

chem
for the 3CH4. why is it $ and does C have to go before H??
November 28, 2010

chem
I still dont get it, can u explain???
November 28, 2010

chem
Complete and balance each of the following equations. If no reaction occurs, please enter NR in each answer box. (Type your answer using the format CO2 for CO2. Do not leave any box blank. Use the lowest possible coefficients.) ____Al4C3(s) + ___H2O ___Al(OH)3 + ___ _____ ...
November 28, 2010

chemistry
so they dont have to have equal charge?
November 23, 2010

chemistry
what is the cation and anion of Na3PO4? thanks
November 23, 2010

7th grade Math
Find the next three numbers in this sequence and explain the reasoning; 2/3, 2/5, 6/25, 18/125,...
November 16, 2010

french
oops sorry i didn't see abby had already posted ^^
November 9, 2010

french
im pretty sure since monica is a girl it should be intelligente. but other than that i think it is good.
November 9, 2010

chem
Give the general formula for any dialkene; that is, a straight-chain hydrocarbon with two double bonds along the chain. (Type your answer using the format CnHn+1 for CnHn+1.)
October 25, 2010

chem-repost
but. i can tell its wrong because of what i stated: "i tried the answer in my online hw and it said it was wrong. i am looking in my text book and CnH2n-2. the answer you guys are saying is the formula for alkynes. but i need to find the formula for dialkene. the formula ...
October 24, 2010

chem-repost
I ddin't know if anybody would look far down to page to help me answer my question but this is what was said so far. Posted by rebekah on Sunday, October 24, 2010 at 4:48pm. Give the general formula for any dialkene; that is, a straight-chain hydrocarbon with two double ...
October 24, 2010

Science
If you heat an iron bar until it glows red hot. the chemical composition is still the same but the silver iron bar changed to a red color hope that helps:)
October 24, 2010

chem
i tried the answer in my online hw and it said it was wrong. i am looking in my text book and CnH2n-2. the answer you guys are saying is the formula for alkynes. but i need to find the formula for dialkene. the formula for just alkene is CnH2n. but i dont know how to make that...
October 24, 2010

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