shanice
Most popular questions and responses by shanice
geometry
Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next
asked on June 29, 2012 
College Chemistry
a 1.00L solution saturated at 25°C with calcium oxalate (CaC2O4) contains 0.0061 g of CaC2O4. The solubility constant (Ksp) for this salt is [CaC2o4= 128.09 g/mol] a) 6x10^ 3 b) 4.6x10^ 8 c) 2.3x10^ 9 d) 1.5x10^4 if you could please work it out for
asked on December 2, 2010 
Chemistry
A 1.00kg sample of Sb2S3(s) and a 10.0g sample of H2(g) are allowed to react in a 25.0L container at 713 K. At equilibrium, 72.6 g H2S(g) is present. What is the value of Kp at 713 K for this reaction? Sb2S3(s) + 3 H2(g) 2Sb(s) + 3 H2S(g)
asked on October 27, 2010 
College Chemistry Help Please!
what is the pH of a solution that is 0.200 M in methylamine, CH3 NH2 CH3NH2+ H20 CH3NH3+ + OH Kb= 4.2 x 10 ^4
asked on November 9, 2010 
College Chemistry
Determine the values of Kc that correspond to the following values of Kp (a) SO2Cl2(g)>SO2(g) + Cl2(g) Kp= 2.9 x 10^2 at 303 K (b) 2 NO2 (g)>2NO(g)+O2(g) Kp= 0.275 at 700 K (c)CO(g) + Cl2(g)> COCl2(g) Kp= 22.5 at 395 degree Celsius
asked on October 27, 2010 
physics
A projectile is fired horizontally from a gun that is 45m above flat ground, emerging from the gun with speed 250m/s How long does the projectile remain in the air? At what horizontal distance from the firing point does it strike the ground?.What is the
asked on October 10, 2011 
COLLEGE CHEMISTRY
Calculate the pH of a 0.052 NH4Cl aqueous solution
asked on November 9, 2010 
math
A SIXSIDED CUBED IS ROLLED. FIND THE PROBABILITY OF P(4). ALSO, THE SAME IS TO FIND ANOTHER ANSWER AS P(6)
asked on November 28, 2015 
math
a spinner has the number 1 through 9. the spinners is spun once. what is the probability of p(3,6,8). write as a percent
asked on November 28, 2015 
College Chemistry Help Asap!
Determine the values of Kp that correspond to the following values of Kc a)CO(g) + Cl2(g) COCl2(g) Kc= 1.2 x 10^3 at 668 K b)2 NO(g)+ Br2(g) 2 NOBr(g) Kc= 1.32 x 10^2 at 1000 K c) 2 COF2(g) CO2(g)+ CF4(g) Kc= 2.00 at 1000 degrees Celsius
asked on November 15, 2010 
chemistry
A reaction starts with 1.00 mol each of PCl3 and Cl2 in a 1.00L flask. When equilibrium is established at 250 degree Celsius in the reaction PCl3(g)+ Cl2(g)> PCl5(g), the amount of PCl5 present is 0.82 mol. What is Kc for this reaction?
asked on October 26, 2010 
algebra
30cm=_____mm
asked on November 29, 2015 
chemisty
4. N2+3H22Nh3 k=1.2 at a T=375C you initially have 0.249mol of N2. 3.21*10^2mol of H2, and 6.42*10^4 mol of NH3 in a 3.5L container a.what is the equation to determine the reaction quotient, Q b.determine the reaction quotient Q c. compare Q and K.
asked on March 20, 2011 
English
What type of sentence is this? On July 4, 1976, the nation’s bicentennial, 10,741 American flags were flown over the U.S. Capitol, the largest number ever flown there in one day. It's a simple sentence with two appositives. Can you please help me with my
asked on March 6, 2007 
statistics
5. Find the weighted mean of the following two samples. Sample 1: n = 5 and the mean = 20 Sample 2: n = 15 and the mean = 10.
asked on October 10, 2013 
geometry
Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches.
asked on June 29, 2012 
algebra
IN A BAG THERE ARE 2 RED, 3 YELLOW, 4 GREEN , AND 6 BLUE MARBLES. WHAT IS THE PROBABITILTY OF P(BLUE)
asked on November 28, 2015 
college statistics
2. A researcher has developed a new questionnaire for measuring dominance and would like to estimate the population parameters for the test scores. The questionnaire is administered to a sample of n = 25 subjects. This sample has an average score of mean =
asked on October 10, 2013 
chemistry
A+B  C deltaH=100kj and temp.=25C which direction would the reaction shift if.. a. the concentration of A was decreased b. the concentration of C was increased c. The temp. was increased to 100C
asked on March 20, 2011 
College Chemistry
The eqm. Constant for a reaction is 2.48 at 25°C. what is the value of ΔG° (kJ) at this temperature? (R=8.314 J/k mol)
asked on December 6, 2010 
college chemistry
What is the pH of the solution obtained by diluting 500 mL of 0.0200 M NH3 (aq) to 1.000 L ?
asked on November 9, 2010 
english
traditional african marrriage is an advatage for men only
asked on May 3, 2015 
chem quantity
a sample of soil containing hydrated barium chloride potassium chloride plus inert material weighd 0.8076g. tha sample was then dissolvd in water n treated with silver nitrate.tha resulting precipitate was collectd n found to weigh 0.5846g. calculate tha
asked on September 15, 2013 
algebra
I need to solve Y+15=18
asked on February 23, 2011 
College Chemistry
The eqm. Constant for a reaction is 2.48 at 25°C. what is the value of ΔG° (kJ) at this temperature? (R=8.314 J/k mol)
asked on December 6, 2010 
college statistics
7. Mary goes into the supermarket. The probability that she buys (a) regular coffee is .30, (b) decaffeinated coffee is .40, and (c) that she buys both is .30. What is the probability that she buys regular coffee, decaffeinated coffee, or both?
asked on October 10, 2013 
statistics
2. A researcher has developed a new questionnaire for measuring dominance and would like to estimate the population parameters for the test scores. The questionnaire is administered to a sample of n = 25 subjects. This sample has an average score of mean =
asked on October 10, 2013 
simple intrest
25000 at 7% compounded semi anually for 10 years.
asked on November 22, 2012 
College Chemistry..Urgent!
THE EQUILIBRIUM CONSTANT FOR A REACTION IS 2.48 AT 25 DEGREES CELSIUS. WHAT IS THE VALUE OF ΔG°(KJ)AT THIS TEMPERATURE? (R=8.314 J/K mol)
asked on December 8, 2010 
Nursing
If I have a 69 in the class and I got a 33 out of 50 on the test and she giving 20 points what would be my grade?
asked on April 26, 2016 
algebra
m/9=24/36
asked on November 29, 2015 
math
WHEN ROLLING A CUBE, WHAT IS THE PROBABILITY OF ROLLING A NUMBER GREATER THAN 6
asked on November 28, 2015 
math
A SPINNER HAS THE NUMBER 1 THRU 9. P(LESS THAN 6). WRTIE AS A DECIMAL
asked on November 28, 2015 
statistics
6. Out of eight numbers, what is the probability of drawing a two on the first draw and a three on the second draw using sampling with replacement?
asked on October 10, 2013 
ECE
To become a successful obeserver of young children, which of the following techniques is most effective?
asked on December 8, 2012 
COLLEGE CHEMISTRY
THE EQUILIBRIUM CONSTANT FOR A REACTION IS 2.48 AT 25 DEGREES CELSIUS. WHAT IS THE VALUE OF ΔG°(KJ)AT THIS TEMPERATURE? (R=8.314 J/K mol)
asked on December 7, 2010 
College Physiology
At the venular end of the capillary, the hydrostatic pressure is? A) higher than the osmotic pressrue B) lower than the osmotic pressure C) equal to the osmotic pressure D) higher than the hydrostatic pressure at the arteriolar end of the capillary
asked on November 10, 2010 
MATH
8%of 25 = ? 25 times .08 = your answer
asked on November 2, 2006

Maaaath!!!
In six years time Leroy will be twice the age he is now what is his age in six years
posted on November 24, 2016 
Math
Katie doesnt have an error because negative numbers are integers which are rational numbers 😊
posted on September 12, 2016 
chemistry
Soft water readily forms lather with soap, but it is more difficult to form lather with hard water. The dissolved calcium ions and magnesium ions in hard water react with the soap to form scum, so more soap is needed. This can be minimized by the addition
posted on November 28, 2015 
algebra
6/15
posted on November 28, 2015 
Algebra II
You set up a hot chocolate stand at a football game. The cost of your supplies is $75.You charge $0.50 for each cup of hot chocolate Write a function that represents the profit P for selling c cups of hot chocolate.
posted on March 17, 2015 
Math
15
posted on February 11, 2014 
geometry
If AC = 20 centimeters, and BC = 16 centimeters, which does AB equal?
posted on March 3, 2013 
College Chemistry
The question was written properly & I DID it copy word for word. And how you explained it, doesn't help.
posted on December 3, 2010 
Biology
sex linked
posted on April 14, 2010