Friday

December 19, 2014

December 19, 2014

Total # Posts: 103

**CHM 300**

We did experiment: Spectrophotometry(Determination of iron with 1,10-Phenanthroline) It asks me to find the molar absorptivity of the Fe-phenanthroline complex? How do i find it ? please eplain.
*October 20, 2014*

**Analytical CHM**

endpoint methods are Bisection First derivative Second derivative
*October 15, 2014*

**Analytical CHM**

For both the 2-(acetyloxy) benzoic acid and the acetic acid, which endpoint determination method will give the most reliable endpoint? and Why is this method most reliable ? Please explain in detail
*October 15, 2014*

**CHM 300 **

How do you find the Mass of Vitamin C in tablet? we did Redox Titration (Determination of ascorbic acid by Iodometric Back-Titration) I have fillied out the data table for Standardization of 0.07 M Na2S2)3 for the determination of unknown I cannot figure out how to find the ...
*October 8, 2014*

**Chemistry**

Potentiometric Acid-Base Titration: The tasks to be performed in Experiment #6 include: A. Preparation of a 0.05 M solution of sodium hydroxide (titrant solution). B. Standardization of the titrant solution. C. Calibration of the pH-meter. D. Determination of 2-acetoxybenzoic ...
*October 3, 2014*

**Chemistry**

Explain the advantages of a potentiometric titration over titrations that use colored indicators.
*October 3, 2014*

**economics**

Consider the problem of a rational consumer with an experienced utility function given by 8√x+m. Let p=$1 p/unit denote the market price of good x. Suppose that, initially, the firm selling the good matches his purchases as follows: for every x units that he buys, he ...
*March 23, 2014*

**CALCULUS ECONOMICS**

thanks
*March 13, 2014*

**statistics**

Type I: rejecting Ho when it is true Type II: failure to reject Ho when it is false answer is false
*November 23, 2013*

**algebra 1**

so the range is 10?
*November 23, 2013*

**algebra 1**

Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
*November 23, 2013*

**algebra 1**

Marissa plans to make and sell 5 framed photographs and 25 greeting cards. Is that a solution to the system of inequalities? If so, is it the solution that will produce the most profit?
*November 22, 2013*

**algebra 1**

Im confused
*November 22, 2013*

**algebra 1**

Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
*November 22, 2013*

**algebra 1**

Material cost equation : 30x + 2y = 200 Profit equation : 100x + 5y = 400 B. Explain your inequalities and explain why x<8 and y<40 are also inequalities for this system
*November 22, 2013*

**algerbra 2**

Marissa plans to make and sell 5 framed photographs and 25 greeting cards. Is that a solution to the system of inequalities? If so, is it the solution that will produce the most profit?
*November 22, 2013*

**algerbra 2**

Paul is going to solve the inequality that follows. In the inequality, represents the width of a rectangle | 4-3w|>8 how do i solve it?
*November 22, 2013*

**algerbra 2**

wait im sorry
*November 22, 2013*

**algerbra 2**

so how do I explain inequalities and why x<8 and y<40 are also inequalities for this system? Do I add or multiply by 4?
*November 22, 2013*

**algerbra 2**

how do I solve the compound inequality for values of k?
*November 22, 2013*

**algerbra 2**

This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
*November 22, 2013*

**algebra 1**

Sorry!
*November 22, 2013*

**algebra 1**

Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
*November 22, 2013*

**algebra**

the elspaso middle school girls basketball team is going from el paso to san antonio for the texa state championship. The trip will be 560 miles. Their bus travels at an average speed 60 miles per hour.
*April 14, 2013*

**math**

make a setof 15 numbers with landmarks. max152 range 25 mode 139 median 142
*April 9, 2013*

**math**

140 139 139
*March 10, 2013*

**Math grade 8 (algebra)**

a(0,1),b(3,4)
*February 7, 2013*

**Math**

some kangaroos can cover 30 feet in a single jump. if a kangaroo could jump like that 150 times in a row, how farther would it need to go to cover a mile? (1 mile=5280 feet)
*October 15, 2012*

**Math**

Evaluate the expression. 2 60÷(7+3)+3
*October 15, 2012*

**Math**

i need help solving this math problem. 15*12/4-3^2+17(9)
*September 11, 2012*

**math**

if a vase is a cube that has a side of 7 inches how much water will it hold
*September 6, 2012*

**SCIENCE**

Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will...
*September 5, 2012*

**Science**

Sponge Bob notices that his pal Gary is suffering from slimotosis, which occurs when the shell develops a nasty slime and gives off a horrible odor. His friend Patrick tells him that rubbing seaweed on the shell is the perfect cure, while Sandy says that drinking Dr. Kelp will...
*September 5, 2012*

**georgia studies**

what are nathan deal's duties as governor for georgia
*January 24, 2012*

**Geometry**

7 yards dododoooos jkjkjk
*January 23, 2012*

**physics**

In a head-on collision, a car stops in 0.11 s from a speed of 23 m/s. The driver has a mass of 87 kg , and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second?
*January 13, 2012*

**Earth Science**

spits
*October 18, 2011*

**biology**

what is the death by loneliness
*September 6, 2011*

**social studies**

In what ways are NIBRS similar to NCVS
*May 8, 2011*

**Psychology**

prediction is to explanation as _ is to _
*April 10, 2011*

**science**

Describe one region of the world where this hypothetical isotherm pattern is actually observed.
*March 19, 2011*

**math**

You have an empty shelf in your store which measures 2 feet by 3 feet, and need to stock it with one layer of merchandise. How many 12 inch by 12 inch boxes do you have room for? 2 4 5 6
*March 16, 2011*

**Geometry**

THe area of a trapezoid is 80 units. If its height is 8 units, find the length of its median?
*February 8, 2011*

**math**

find the range of 78,9,100,6
*January 25, 2011*

**english**

my teacher want us to write a 5 page report/essay on what we want to be when grow up, i said a police but dont have 5 pages of the information how do i write a 5 page report on the police career?
*January 9, 2011*

**Natural Sciences**

Which one of the disciplines listed here includes journal articles as secondary sources? Natural Sciences Social Sciences Humanities More than one disciplines listed here
*December 2, 2010*

**Natural Sciences**

natural sciences
*December 2, 2010*

**Natural Sciences**

Which one of the disciplines listed here includes experiments as primary sources? Humanities More than one of the disciplines listed here Natural Sciences Social Sciences
*December 2, 2010*

**Natural Sciences**

More than one
*December 2, 2010*

**Natural Sciences**

Which one of the disciplines listed here includes essays and response statements as types of assignments? Humanities Natural Sciences Social Sciences More than one of the disciplines listed here
*December 2, 2010*

**Natural Sciences**

Which one of the disciplines listed here includes direct observations as primary sources? Humanities More than one of the disciplines listed here Social sciences Natural sciences
*December 2, 2010*

**Natural Sciences**

Which one of the disciplines listed here includes case studies and synthses as types of assignments? Humanities More than one of the disciplines listed here Social sciences Natural sciences
*December 2, 2010*

**natural sciences**

Which one of the disciplines includes biology and chemistry? Humanities Social sciences More than one of the disciplines listed here Natural sciences
*December 2, 2010*

**natural sciences**

Which one of the disciplines includes anthropology and education? Humanities Natural sciences Social sciences More than one of the disciplines listed here.
*December 2, 2010*

**natural sciences**

Which one of the disciplines includes anthropology and education?
*December 2, 2010*

**Geometry**

How can I find the Intersection between 3x -2y =6 and 5x +7y =41?
*November 24, 2010*

**college**

A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mm Hg and the partial pressure of the oxygen is 1.02 atm, what is the total pressure of the mixture in torr?
*November 13, 2010*

**math**

find the range of 78, 9, 100, 6 ?
*October 14, 2010*

**math**

what is 1/10 of 10 to the 6th power?
*May 16, 2010*

**math**

2 7/8 divided by 2 5/6
*April 28, 2010*

**math**

What is the rate and time?
*April 28, 2010*

**9th grade - Civics**

Massachusetts
*April 28, 2010*

**9th grade - Civics**

Name the first state to issue license plates for their automobiles.
*April 28, 2010*

**9th grade - Civics**

When was the last time Washington D.C.'s Electoral College votes went to a candidate form the Republican Party? How many Electoral College votes do they have?
*April 28, 2010*

**math**

What is a fraction in lowest terms: 26%
*April 22, 2010*

**math**

On a map 1/2 an inch represents 250ft. What is the distance represented by 3 1/2 inches?
*April 22, 2010*

**science**

What characteristic are protist classified.
*April 21, 2010*

**math**

Jen collects stamps. The first month she added 25 stamps. Six months later, she doubled in number to a total of 98. How many stamps did she have to start with.
*April 20, 2010*

**math**

what is an example of associative propety of addition
*April 20, 2010*

**math**

what is a ratio that is simplest from: 14 to 16
*April 20, 2010*

**math**

Citizens of Franistan pay numerically the same percent in income tax as they make in Rupees per week. (Example: If one makes 15 Rupees per week, he pays 15% in income tax.) What is the most a person can make after taxes are deducted in this country?
*March 7, 2010*

**mathes**

what is 6 greater than 8 plus 2
*February 9, 2010*

**math**

six three/tenth minus two one/half
*December 2, 2009*

**books**

i need help with the kite runner
*November 26, 2009*

**Math**

Is the final answer 1 41/49
*November 20, 2009*

**Math**

-2 4/7 divided by -1 2/5
*November 20, 2009*

**Math**

-2 4/7 divided by
*November 20, 2009*

**Math**

Why is it not -10
*November 20, 2009*

**Math**

|-6-4|
*November 20, 2009*

**Math**

Write a multiplication equation and find the area of the rectangle. A rectangle 2 f units high and m/2 units wide
*November 20, 2009*

**Physics**

i dont know... teachers even cant... lol
*August 8, 2009*

**air**

what is air made up of? what causes wind?
*March 25, 2009*

**math**

identify the independant and dependant variables. A photo lab charges 15 cents per print.
*January 20, 2009*

**math**

lol that was funny
*January 20, 2009*

**math**

a glass of ice tea cost two dollars. Refills cost 25 cents each. write the rule in function notation. is it F(x)=2+.25x? If it is wrong can you help
*January 20, 2009*

**5th grade math**

You have 2 pails. One holds 4 gallons and the other holds 7 gallons. How can you go to the lake and bring back exactly 5 gallons of water?
*December 11, 2008*

**5th grade math**

A donkey and a mule were carrying bags of corn. If the mule gave the donkey 1 bag, they would have the same number. if the donkey gave the mule 1 bag, the mule would have twice as many bags as the donkey. how many bags is each carryung?
*December 11, 2008*

**Algebra**

361ft x 179ft
*October 21, 2008*

**math**

What are the computation methods of math?
*October 21, 2008*

**algebra**

you have a mean score of 84 after taking 5 100 point tests. What do you need to score on the sixth 100-point test to have a mean score of 85?
*October 2, 2008*

**B.A.C**

I ALSO HAVE A SPEECH BUT UNFORTUNATELY I DON'T KNOW
*May 18, 2008*

**english**

Thanks, that's how my mom does when she's home! She makes me try first.
*January 6, 2008*

**english**

I think its everywhere once.
*January 6, 2008*

**english**

What is the adverb in - On certain nights, I see stars everywhere. and The orbit of Uranus once puzzled astronomers.
*January 6, 2008*

**social studies**

which web sites often have more dependable information than other sites?
*December 11, 2007*

**social studies**

explain the two basic way you can look for information on the internet.
*December 11, 2007*

**social studies**

how is the information in newspapers organized?
*December 11, 2007*

**math**

make a magnitude estimate.269x42= 10,100,1,000,10,000
*October 8, 2007*

**math 1st. grade**

homework
*May 21, 2007*