July 26, 2014

Homework Help: 10th Grade

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10th grade Chemistry
Will Na2CrO4 react exactly the same as Na2CrO7 when mixed with Pb(NO3)2
Thursday, January 27, 2011 at 10:45pm

10th grade
How many grams of water vapor (H2O) are in a 10.2 liter sample at 0.98 atmospheres and 26°C?
Monday, December 20, 2010 at 7:25pm

10th grade
i have an equation; x^2+3x-18=0. i am given one of the roots, of which is 3, but how do i find the other root.
Monday, December 20, 2010 at 6:18pm

10th grade
Describe the geography of Southern South America and how this geography influences economic activity?
Wednesday, December 15, 2010 at 12:37pm

10th grade
A volume is measured experimentally as 4.5 mL. What is the percent error, given that the correct value is 4.17 mL? answer units in %
Saturday, December 11, 2010 at 2:16pm

10th grade Chemistry
What is the hydroxide ion concentration in a solution with [H3O+] = 7.67*10^-9 M?
Wednesday, December 8, 2010 at 7:25pm

10th grade
What influences did the colonies have on the imperialist nation
Monday, December 6, 2010 at 10:17pm

10th grade
how do you calculate the volume of the aluminum block from the apparent change in the volume of water in the cylinder?
Friday, December 3, 2010 at 8:02am

10th grade
change 114/8 to a mixed fraction in simplest form
Thursday, December 2, 2010 at 3:43pm

10th grade english
what is a one sentence summation of plot
Tuesday, November 30, 2010 at 5:30pm

10th grade
What is the role of the state governments under the articles of confederation?
Sunday, November 28, 2010 at 3:59pm

10th grade - chemistry
what is 670.8/1000000000 and then what is 3.0 * 10 to the 8th power divided by the top answer ...
Sunday, November 21, 2010 at 9:47pm

English, 10th grade
What are 2 complications in the novel, The Plague by Albert Camus?
Friday, November 19, 2010 at 8:07am

10th grade
If a circle has a diameter of 7inches, what is the circumference rounded to the nearest whole number? Use pi=3.14
Thursday, November 18, 2010 at 1:59pm

10th grade geo
answers to objective 3-c algebra with pizzazz
Monday, November 15, 2010 at 8:29pm

10th grade
its werid finiding 8x - 13 and 7x + 11 but idk if i should add and equl to 360 its paralleograms and finding x its a triangle please help
Wednesday, November 10, 2010 at 1:59am

10th grade
what is the area of 2 triangles whose legs are 2 feet each and touch side to side???
Monday, November 8, 2010 at 2:46pm

10th grade
why does Henry believe that compromise with the British is not a workable solution?
Monday, November 8, 2010 at 1:24pm

10th grade
how many moles of anhydrous MgSO4 are in 2.04grams of MgSO4
Thursday, November 4, 2010 at 9:37pm

10th grade
calculate the mass of the water of hydration if a hydrate loses 0.025 mol of H2O when heated
Tuesday, November 2, 2010 at 11:52pm

10th grade
a rock with a mass of 8kg falls from a height of 7m what work was done
Friday, October 29, 2010 at 2:20pm

10th grade
How do find the speed of a marble after falling from rest a distance of 1.2 m?
Thursday, October 21, 2010 at 6:51pm

10th grade
What is the frequency of a photon with a wavelength of 2.50 102 nm? (The speed of light in a vacuum is 2.998 108 m/s. Planck's constant is 6.626 10-34 J · s.
Thursday, October 21, 2010 at 12:56pm

10th grade
The ultimate goal of all the explorations launched by the Europeans from the fourteenth century onward was
Thursday, October 14, 2010 at 3:54pm

10th grade(world history)
How did the obedience to 10 commandments influence the ideas of the Social Contract?
Monday, October 11, 2010 at 4:58pm

10th grade
scientist needs 5L of 12% solution. She has on 10% and 17% solution. How much of each does
Friday, October 1, 2010 at 6:36pm

10th grade
Thursday, September 30, 2010 at 9:55pm

10th grade
a solution of 30 percent by weight has a density of 0.96g/mL at 25 degree celcius.find the molarity and molality.
Thursday, September 30, 2010 at 8:48am

10th grade
A metroid entering Earth's atmosphere has a speed of 70.0 km/s and a kinetic energry of 2.56 X 10^15 J. What is the mass of the meteroid?
Wednesday, September 29, 2010 at 10:16pm

10th grade
What would be the percentage composition of carbon in 10g sample of methane is?
Monday, September 27, 2010 at 5:00am

10th grade
what is the thrid possible lenghts of 4in.and 7in.
Thursday, September 23, 2010 at 9:22pm

10th grade
how do I write and start a two voice poem?
Thursday, September 23, 2010 at 9:04pm

10th grade
how can a U.S. citizen whose income is in the top one percent talk about scarcity ?
Thursday, September 23, 2010 at 4:54pm

10th grade
how would you use the word civility in a sentence
Tuesday, September 21, 2010 at 5:40pm

10th grade
analyze the responses to the spread of buddhism in china
Monday, September 20, 2010 at 1:23am

10th grade Chemistry
The most reactive group of the nonmetal are the?
Wednesday, September 15, 2010 at 9:21pm

10th grade math
Which expression repeersents the phrase'' twice the quotient of 50 and the sum of a number y and 8?''
Monday, September 13, 2010 at 2:53pm

10th grade
Write each power as a product of the same factor. 5^4 a. 5 × 5 × 5 × 5 b. 4 × 4 × 4 × 4 × 4 c. 5 × 5 × 5 × 5 × 5 d. 5 × 5 × 5 My answer c.
Thursday, September 9, 2010 at 7:04pm

10th grade
When using a calorimeter with two chambers what are the possible sources of error?
Tuesday, September 7, 2010 at 7:34pm

10th grade
how do i solve X2 +4X-60 (the 2 after the x is supposed to stand for squared.)
Tuesday, September 7, 2010 at 6:51pm

10th grade
perimeter of a regular pentagon with side measurements of 57 centimeters
Wednesday, July 14, 2010 at 10:29pm

10th grade
i want to make an project on safer construction practises for tsunami only want 10questions on this topic
Tuesday, July 6, 2010 at 4:36am

10th grade social studies
i have to make a project on safer construction practises for flood help me but want only 10 questions on this topic
Monday, July 5, 2010 at 10:27pm

10th grade
compare and contrast the two prevailing winds that blow over Afica in June and September?
Sunday, June 27, 2010 at 8:15am

10th grade
can anyone write an article on topic-education for all?
Saturday, June 26, 2010 at 3:56am

10th grade
Bert viewed the hot dog provincial, beliving that to eat such a disgusting food was beneath him
Thursday, June 17, 2010 at 10:54am

10th grade
in caesar how do the workman celebrate as the play begins
Monday, June 7, 2010 at 9:27pm

10th grade algebra 2
the third root of 3, times the square root of 9
Friday, June 4, 2010 at 10:27am

10th grade
how can i make an easy working model in physics for class 10 holiday home work
Thursday, June 3, 2010 at 12:41am

10th grade
resources are being used up at a faster rate than they can be replaced
Sunday, May 30, 2010 at 12:32am

10th grade
If you heat a 5 L balloon from a temperature of 250 C to 500 C , its me volume will be?
Wednesday, May 26, 2010 at 12:23pm

10th grade
a rhombus has a perimeter of 44 centimeter and a diagnol 12 centimeters long. wat the area?
Monday, May 24, 2010 at 8:23pm

10th grade
the circle is circumscribed by the pentagon as shown (not drawn to scale). If QZ=10, YX=9, XW=9, UW=17, and SU=10, find the perimeter of the pentagon.
Thursday, May 20, 2010 at 7:30pm

10th grade math
how to solve triangles with parrellel lines running through them!
Wednesday, May 19, 2010 at 5:41pm

10th grade
what is the molarity of 5.00 g of Na2CO3 dissolved n 400.0 mL solution?
Sunday, May 16, 2010 at 8:43pm

10th grade
how does annie dillard expreses her analysis for "transfiguration"?what is she mostly talking about?
Thursday, May 13, 2010 at 9:26pm

10th grade
x squared-13x+36/x-9 equals what dividing polynomials
Monday, May 3, 2010 at 7:02pm

10th grade
The addition of which nitrate salt will cause a decrease in the concentration of I-(aq)? Pb(NO3)2 Ca(No3)2 LiNo3 KNo3
Monday, April 26, 2010 at 5:04pm

10th grade Biology
Why is diffusion insufficient to meet the oxygen requirement of multicellulars like us?
Saturday, April 24, 2010 at 5:56am

10th grade biology
what are two distinguishing characteristics of prokaryotes?
Monday, April 12, 2010 at 8:12pm

10th grade
determine m given that m>0 and the points (m,3) and (1,m) lie on a line with slope m
Sunday, April 4, 2010 at 11:29pm

10th Grade Honors Chemistry
volume of 8.00 grams of hydrogen gas at 32.0 degrees celcius and 1.50 atm
Friday, March 26, 2010 at 1:42pm

10th grade Math
Triangle POB has vertices: P(0 , 4) O(-3 , 0) B(3, 0). Determine the orthocentre of the triangle.
Saturday, March 20, 2010 at 2:30pm

10th grade
what chemicals are being added together in the chemical equation of 2HCL + Ca -> CaCl2 + H2
Thursday, March 11, 2010 at 7:06am

10th grade biology
What is the effect of Prozac on OCD, falling in love
Saturday, February 27, 2010 at 3:50am

10th grade
What were the effects of the Balkan Wars that led to the Revolution during the Age of Nation States? (OTTOMAN EMPIRE)
Tuesday, February 23, 2010 at 8:23pm

10th grade
What were the complications of decrees in the Ottoman Empire during the Age of Nation States?
Tuesday, February 23, 2010 at 8:23pm

10th grade
how much heat does it take to convert 20g of water to steam at 100c?
Sunday, February 21, 2010 at 8:09pm

10th grade
I need to unscramble the letters to this word from the renaissance. The letters are NWIHZGLCIRULI
Wednesday, January 27, 2010 at 9:20pm

10th grade
How does microbiology affect a person on a daily basis?
Wednesday, January 27, 2010 at 8:03pm

10th grade
how much barium chloride is neccessary to react with silver nitrate
Thursday, January 21, 2010 at 10:45pm

10th grade
wat is the anwser to Que hacen usteds alli?
Thursday, January 21, 2010 at 7:16pm

10th grade
find the slopes for all four side J(-4,-1) K(-7,-4) L(2,-10) M(5,-7)
Thursday, January 21, 2010 at 9:20am

10th grade
Analogy: despair:hope::permanenace______________ Answer Chocies... transience acquisition chauvinism infinity
Monday, January 11, 2010 at 10:51pm

10th grade
find the slope of the line that passes through 3 1/2,2 and -1,1/2
Sunday, January 3, 2010 at 1:10pm

10th grade
i need help understanding the book "we are all welcome here" by Elizabeth Berg. plz help will appreciate the help
Friday, January 1, 2010 at 12:19pm

10th grade
How did early labor unions in the United States differ in their organization and in the methods they used to achieve their goals?
Sunday, December 13, 2009 at 8:37pm

10th grade
What element, found in all plants and animals, is used by scientists to determine approximate dates for an artifact’s age?
Sunday, December 6, 2009 at 3:41am

10th grade social studies
How does trade and offering cominly diverse choices INCREASE diversity? Thanks Ms.Sue for answering my last question! ^^
Tuesday, November 17, 2009 at 10:03pm

10th grade social studies
I don't get what "What message do these 2 sources present about the impact of globalization on identity?" means..
Tuesday, November 17, 2009 at 9:42pm

10th grade algebra
the volume of a pyramid with a rectangular base is v=1/3LWH. find W if V=500 L=15 and H=4. a) W=25 b) W=20 c) W=18 d) W=15
Tuesday, November 17, 2009 at 12:54pm

10th grade algebra not ms.sue
is the following always sometimes or never true? x+1=x+0
Thursday, November 12, 2009 at 2:11pm

10th grade algebra
How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution? Round to the nearest tenth.
Thursday, November 12, 2009 at 12:26pm

10th grade
a 0.25kg ball is traveling at a velocity of 45.0m/s. find the frequency at which the ball osicillates
Wednesday, November 11, 2009 at 3:27pm

10th grade
On very hot days or when you are exsercising, it is better to drink tap water than sugary drinks. Explain why.
Thursday, November 5, 2009 at 6:20pm

10th grade
Wednesday, November 4, 2009 at 8:02pm

10th grade,history
what attitudes toward native americans does this express?
Thursday, October 15, 2009 at 4:46pm

10th grade
Find the coordinates of the centroid of the triangular metal part with verticies at A(12,18) B(18,6) C(3,12)
Wednesday, October 14, 2009 at 10:17pm

10th grade algebra
i need help understanding linear equations. 7x-15y+9=0 please help.
Tuesday, September 22, 2009 at 7:58am

10th grade
reduce each rational expression into lowest terms. 2y+4/3y+6
Thursday, September 10, 2009 at 6:37pm

10th grade english
what is the climax in the book the bass the river and shelia mant by w d wenthrell
Tuesday, September 8, 2009 at 10:05pm

10th grade
Meaning of tool used to measure length?
Tuesday, September 8, 2009 at 7:21pm

10th grade Pre APworld history
Monday, September 7, 2009 at 7:38pm

10th grade
How many unit volume cubes of 1cm squared will fit into a 3cm x 4cmx 10cm shape?
Thursday, September 3, 2009 at 9:37pm

10th grade punctuation
Ed and Jim's essays were both titler Kwazaa: A Special Time for African Americans.
Wednesday, September 2, 2009 at 7:20pm

10th grade Physics
What experiment(apparatus can be made) can be used to determine the relationship between period and frequency of vibration?
Tuesday, August 4, 2009 at 12:49pm

10th grade american lit.
Do the letters "UDM" stand for "Usage Determines Message?"
Saturday, June 13, 2009 at 2:54pm

10th grade
what kinds of clues can fosslrs provide about the past , inclding climate ,what organisms ate ,and the enviroment in which they lived?
Wednesday, June 3, 2009 at 12:04am

10th grade
Have any ideas for writing a type sketch about point guards?
Monday, May 11, 2009 at 7:37pm

10th grade Living Environment
The unknown genotype of an individual with a dominant phenotype can be determined using what? Is it a test cross???? Please help!
Friday, May 8, 2009 at 7:42pm

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