Monday

February 8, 2016
Total # Posts: 1,746

**Chemistry**

Use the balanced equation to answer the following: 3AgNO3(aq) + FeCl3(aq)...Fe(NO3)3(aq) + 3AgCl(s) If 21.73g of FeCl3 is mixed with 48.97g of AgNO3 a) Which is the limiting reagent? b) How many grams of AgCl can be theoretically produced? c) If 15.97g of AgCl was collected, ...
*October 21, 2012*

**Chemistry**

A reaction of magnesium with nickel (iii) chloride will produce magnesium chloride and nickel. Using 31.76g of magnesium would produce how many grams of nickel?
*October 21, 2012*

**5th grade math**

i do not know ask my friend adititi
*October 21, 2012*

**Geography!!!!!!!!!!!!!!!!!!!!!!!!**

1) What is the difference between folding and faulting? 2) What is the difference between intrusive vulcanicity and extrusive vulcanicity?
*October 21, 2012*

**math**

in a rectangular with a perimeter of 30 inches two parallel and equally spaced creases are made the cardboard is then folded to make a triangular prism with open ends that are equilateral triangles you will maximize the volume how do i solve this?
*October 18, 2012*

**math**

put these numbers in order from smallest to larest. 0.6 0.06 0.43 0.9
*October 17, 2012*

**Chemistry**

What mass of natural gas (CH4) must you burn to emit 263kJ of heat? CH4(g)+2O2(g)→CO2(g)+2H2O(g)ΔH∘rxn=−802.3kJ
*October 15, 2012*

**Biology!!!!!**

7)State whether the following sentences are true or false. Rewrite them if they are false. a) Every chemical reaction taking place in cells is regulated by a specific enzyme. b) Enzymes work inside cells only. c) Enzymes are carbohydates d) An active site is the part of the ...
*October 14, 2012*

**Math**

Movies A survey of 350 customers was taken at Regal Cinemas in Austin, Texas, regarding the type of movies customers liked. The following information was determined. 196 liked dramas. 153 liked comedies. 88 liked science fiction. 59 liked dramas and comedies. ...
*October 9, 2012*

**physics**

A rock climber stands on top of a 56m -high cliff overhanging a pool of water. He throws two stones vertically downward 1.0s apart and observes that they cause a single splash. The initial speed of the first stone was 2.5(m/s) How long after the release of the first stone does...
*October 2, 2012*

**Biology!!!!!!!!!!!!!!!!**

In preparing some blood for observation with a microscope, a student puts a drop of blood into a test tube containing 2 cm3 of water. After mixing, he examines a drop of the mixture. Explain why he cannot see any blood cells under the microscope.
*October 2, 2012*

**math - integers**

The sum of 25 consecutive integers is 1000. What is the smallest integer used as an addendum?
*October 1, 2012*

**College Physics**

a 5.63kg ball hangs from a vertical pole by a 2.4 long string. Assume the ball is moving at 4.33m/s in a horizontal circle with the string remaining taut. Calculate the angle that the string makes with the pole.
*October 1, 2012*

**Biochem**

i dont know
*September 30, 2012*

**6th grade Math**

I got a problem wrong and I don't know why. Here it is: A highway construction warning sign blinks on and off. In all, the sign is on for 0.88 of each minute. For how many seconds is the sign on in 5 minutes? I multiplied 0.88 x 5 and got 4.40 but it was marked wrong. What...
*September 27, 2012*

**math**

What 3 digit number can be written as 45 tens
*September 27, 2012*

**Geography**

west
*September 22, 2012*

**math**

bill stacks a 5-centimeter square on top of a 2-centimeter by 20-centimeter rectangle. what is the smallest rectangle box he can use to pack them together
*September 20, 2012*

**literature**

the odyssey simile book 16 "ospreys or vultures with hooked claws, whose children were stolen away by the men of the fields, before their wings grew strong; such was their pitiful cry and the tears their eyes wept" is there someone who can guide me as to what this means
*September 18, 2012*

**math**

how would you simplify this expressions 1. z+3+z to the power of 2 + 3z to the power of 2 + 4z to the power of 2
*September 18, 2012*

**algebra 2**

4x-1 / 2x^2+3
*September 15, 2012*

**chemistry**

At 23°C, Kp = 0.075 for the equilibrium: NH4HS (s) ↔ NH3 (g) + H2S (g) A sample of solid NH4HS is placed in a closed vessel and allowed to equilibrate. Calculate the equilibrium partial pressure (atm) of ammonia, assuming that some solid NH4HS remains.
*September 14, 2012*

**health**

Which organ is NOT a part of the digestive system? A. Esophagus B. Gallbladder C. Kidneys D. Mouth
*September 13, 2012*

**physics**

How do I see other answers
*September 10, 2012*

**precalc**

simplify this expression... x^4+125x/(x^3+5x^2-x-5) I get x^2+5x+25/(-5) but i cant get it to check...did i make an error somewehre?
*September 10, 2012*

**precalc**

simplify this expression... x^4+125x/(x^3+5x^2-x-5) I get x^2+5x+25/(-5) but i cant get it to check...did i make an error somewehre?
*September 10, 2012*

**Business Math **

Please check my work On November 1, 2009, Broom Company received a bank statement that showed a $2,950 balance. Broom showed a $4,010 checking account balance. The bank didn’t return check No. 124 for $1,080 and check No. 138 for $720. A $3,200 deposit made on October 30 ...
*September 10, 2012*

**fractions**

5/6-15/
*September 10, 2012*

**Chemistry**

What mass of KBr is required to prepare 8.oo L of .400 M solution?
*September 10, 2012*

**Science**

How much work is done lifting a 100 N block of ice up to a shelf 3m off the ground? What if you use a ramp? How heavy is the block of ice in pounds?
*September 8, 2012*

**Algebra**

Square root 5-1over x = square root over 5
*September 8, 2012*

**PHYSICS**

An artillery shell is fired with an initial velocity of 300m/s at 55 degrees above horizontal. To clear an avalanche, it explodes on a mountainside 42.0s after firing. What are the x and y coordinates of the shell where it explodes, relative to its firing point?
*September 6, 2012*

**physics**

An object traveling along the x-axis with constant acceleration has velocity v = +11.0 m/s when it is at x = 6.0 m and v = +20.0 m/s when it is at x = 10.0 m. What is its acceleration? HELP PLEASE!!!!!
*September 6, 2012*

**science**

an experiment for a new asthma medication was set up into two groups. Group one was given the new drug, while group 2 was given a sugar pill. the sugar pill serves as _________. a) control B)constant c) Experimental variable D) dependent variable
*September 4, 2012*

**Math**

The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and it's supplement.
*September 4, 2012*

**Geometry**

Find m∠T if m∠T is 20 more than four times its supplement.
*September 4, 2012*

**physics**

A model rocket is launched straight upward with an initial speed of 50.2 m/s. It accelerates with a constant upward acceleration of 2.12 m/s2 until its engines stop at an altitude of 167 m. What is the maximum height reached by the rocket?
*August 31, 2012*

**Chem**

What is the density of a block of marble that occupies 350 cm3 and has a mass of 708 g? Answer in units of g/cm 3
*August 30, 2012*

**Calculus**

TWO examples of two sided limits and each theorem on limits.
*August 29, 2012*

**physics**

The position of an object as a function of time is given by x = At2 – Bt + C, where A = 7.3 m/s2, B = 5.8 m/s, and C = 4.5 m. Find the instantaneous velocity and acceleration as functions of time. (Use the following as necessary: t.) help!!!!!!!!! thank you!!
*August 28, 2012*

**Physics**

The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.
*August 28, 2012*

**Physics**

The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.
*August 28, 2012*

**Physics**

The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.
*August 28, 2012*

**Physics**

The sun is 1.40•10^11m away and light travels at 3.00•10^8m/s. Calculate how long it takes light from the sun to reach the earth. Express your answer in scientific notation.
*August 28, 2012*

**community/public health**

identify a new law or regulation that affects the practice of public health or community health nursing. Discover the sponsor of the action. Using news reports, statements in the public record, personal telephone or data.
*August 28, 2012*

**public health**

What types of system changes will you implement or encourage others to implement based upon what you have learned about the importance of interdisciplinary collaboration on health outcomes?
*August 28, 2012*

**Science**

comparative analysis of trees based on the amount of oxygen released per unit time comparative analysis of oxygen release by the other trees....
*August 28, 2012*

**math**

243
*August 23, 2012*

**Math**

Shoshanna is going to use 12 base-ten bloacks to model the largest possible number less than 999. Then she will use another 12 blocks to model the smallest possible number less than 999. What are the two numbers?
*August 21, 2012*

**Math**

If Greg has the same number of 1-blocks 10-blocks and 100-blocks to model an even number that is less than 400 what is the number?
*August 21, 2012*

**math**

For her vacation Mrs. Andrews bought $300 worth of traveler's checks in $10 and $20 denominations. If she has 22 travelers checks in all, how many of each denomination does she have? Let x represent the number of $10 traveler's checks she has. Which expression ...
*August 20, 2012*

**Economics**

Suppose; C = 500 + 0.80(Y – 400) I = 400 G = 400 (X – M) = -100 Solve for income or GDP
*August 17, 2012*

**math grade4**

Round 694,563,239 to the nearest thousand .
*August 14, 2012*

**math**

If Greg has the same number of 1-blocks 10-blocks and 100-blocks to model an even number that is less than 400 what is the number?
*August 13, 2012*

** Informal Logic**

rite two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. (If your computer does not have all the symbols needed, use some other symbol you ...
*August 5, 2012*

**Corporate Finance**

The T-bill rate is 6 percent and the market risk premium is 8 percent, the expected return is 9%, the beta is .3 what is the specific benchmark?
*July 22, 2012*

**SOCIAL ST.**

Can you help me find an article in the New York Times Website about Inmates receiving Education and it should be in the year of 2012. Thx
*July 20, 2012*

**senn high school**

Please wite a paragraph (5sentences)to show you comprehend what analogies and idioms are.Use at least one analogy and one idiom in the paragraph
*June 29, 2012*

**math**

473 x16 in lattice
*June 27, 2012*

**Trigonometry**

Did you ever get the answer to this?
*June 21, 2012*

**Chemistry**

If I have storage tank containing 3.8 X 10E5 liters of water that is contaminated with NaOH and has a pH of 10.82. What volume of 0.1 M HCl is required to bring the pH= 7.0?
*June 21, 2012*

**algebra 2**

a flagpole casts a 60 foot shadow when the angle of elevation of the sun is 35 degrees. find the height of the flagpole
*June 15, 2012*

**Biology!!!**

What is the function of plasma?
*June 13, 2012*

**Math**

Find the input & output values of of the composite function c(t(m)). c(t) = 3t + 2 t(m) = m² - 1 where c is the cost and t is the hrs. and m is the # of minutes.
*June 1, 2012*

**Physics**

find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed
*May 17, 2012*

**Physics**

find the altitude change of a 10,000 kg fighter which climbs and in doing so loses 100 m/s of airspeed
*May 17, 2012*

**BIOLOGY **

which nucleotide is always paired with adeine in a dna molecule
*May 16, 2012*

**child care mcanagement**

Computer assisted instruction
*May 12, 2012*

**Chemistry**

What is pH
*May 7, 2012*

**CHEMITRY**

what is solubility, in mol/L, of MgCO3 in a 0.65 mol/L solution of MgCL2 if the ksp of MgCO3 is 2.5*10^-5
*May 7, 2012*

**statistics**

a raido show host asked people to call in and wheater they support new legislation to promote cleaner sources of energy. based on this sample, she constructed a confidence interval to estimate the proportion of all listners to her show who support the legislation. is the ...
*May 6, 2012*

**statistics**

Hannah selected a simple random sample of all adults in her town and based on this sample, consrtucted a confidence interval for the mean salary of all adults in the town. however, the distribution of salaries in the town is not exactly normal. will the confidence interval ...
*May 6, 2012*

**CHEMISTRY**

THANK YOU :)
*May 5, 2012*

**CHEMISTRY**

if the [H] of a solution at 25degrees is 1.7*10^-4 mol/L, calculate the [OH] in mol/L, the PH, and the pOH?
*May 5, 2012*

**chem**

show why ka(kb)=kw for this pair of conjugate acid-base: H2C6H6O6 and HC6H66 ^-1
*May 5, 2012*

**chemistry **

the equilibrium system shown below was analyzed and the concentrations of HI(g, and I2(g) were found, in mol/L, to be 4.4, 3.2, 1.5 respectively. the equilibrium constant must be which f the following? H2(g) + I2(g)<> 2HI(g) + 65KJ
*May 5, 2012*

**chemistry**

why did u chose 05 mol instead of the given which is 1.5 mol
*May 5, 2012*

**chemistry**

YES IT IS :) THANK YOU VERY MUCH !!
*May 5, 2012*

**chemistry**

OOPSY I MEANT 3.0L
*May 5, 2012*

**chemistry**

6.0mol of ammonia gas is injected into a 3.0 mol L container. at equilibrium 1.5 mol of hydrogen gas is found in the container. the number of moles of ammonia gas left in the container must be which of the following?
*May 5, 2012*

**physics**

A fisherman's scale stretches 2.8 cm. when a 2.1 kg. fish hangs from it. What will be the frequency of vibration if the fish is pulled down and released so that it vibrates up and down?
*May 3, 2012*

**geometry**

how long is a string reaching from the top of a 20 ft pole to a point 13 ft from the bottom of the pole?
*May 2, 2012*

**Physics**

Does a generator act as a source or a load? thanks!
*May 1, 2012*

**English**

How are the words hasn't, haven't and had't alike?
*April 30, 2012*

**Bio- anatomy**

How can i describe in like 1 or two sentences "visual image processing" without using those three words. I am finding this really hard. Thanks!
*April 29, 2012*

**chemistry**

an unsaturated solution is made by completely dissolving 20.0 grams of NaNO3 in 100.0 grams of water at 20.0 degrees celcius. show a corrct numerical sat up for calculating the number of moles of nano3(gram-formula mass = 85.0 grams per mole) used to make this unsaturated ...
*April 23, 2012*

**Algebra**

Find the GCF of each set of monomials. 16, 20, 64 I got: 2,4,4,8 2,4,5,10 2,4,8,8,16,32 Would the greatest common factors be 2 and 4?
*April 23, 2012*

**Algebra**

Ohh, so 6, right?
*April 23, 2012*

**Algebra**

A bakery packages cookies in two sizes of boxes, one with 18 cookies and the other with 24 cookies. A small number of cookies are to be wrapped in cellophane before they are placed in a box. To save money, the bakery will use the same size cellophane packages for each box. How...
*April 23, 2012*

**Bio Anatomy**

Do you guys know of any sites that talks about the gentics of occipital lobe epilepsy?
*April 22, 2012*

**Algebra, Please Help!**

Devin attempted to solve the inequality -2x+6>10 following the steps below: •subtract 6 from both sides of the inequality. •divide both sides of the inequality by -2. He finds that x>-2. Clearly explain why this is not a correct solution. In your response, be ...
*April 20, 2012*

**Algebra**

Devin attempted to solve the inequality -2x+6>10 following the steps below: •subtract 6 from both sides of the inequality. •divide both sides of the inequality by -2. He finds that x>-2. Clearly explain why this is not a correct solution. In your response, be ...
*April 20, 2012*

**Algebra**

Oh sorry about that. Can you explain what undefined means and what domain means?
*April 20, 2012*

**Algebra**

Use the function to answer the question. f(x)=1/4-x For what value in the domain is the function undefined? Explain your answer.
*April 20, 2012*

**Algebra**

Oh ok, thanks.
*April 20, 2012*

**Algebra**

So they have to equal the exact number, even when you round up?
*April 20, 2012*

**Algebra**

Which equation shows an exact computation? A. 12/7 = 1.714 B. 2π = 44/7 C. 22/7x14 = 44 D. 2√2 = 2.818 And if possible, could you explain what exact computation is? Thank you.
*April 20, 2012*

**geometry**

If all of the diagonals are drawn from a vertex of a quadrilateral, how many triangles are formed?
*April 20, 2012*