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During your titration, you overshot your endpoint and your solution was too pink. Would this lead to a final pKa that was too
1. 0 answers
2. 487 views
Bill brought four times as may apples as harry and three times as may apples as martin. If Bill, and martin purchased less than
1. 1 answer
2. 657 views
I need help with the following questions.Write each answer as a power of 2. Show your work and explain your steps. a. Computer
1. 1 answer
2. 828 views
A ball with a mass of 5.8 kg is moving to the right at 10.3 m/s and collides with a stationary ball of mass 10.9 kg. After the
1. 1 answer
2. 544 views
What mass of glycerin (C3H8O3), a nonelectrolyte, must be dissolved in 400.0 g water in order to give a solution with a boiling
1. 2 answers
2. 1,481 views
Water Flows upward throw the pipe shown in the diagram at 96 L/Min. If the pressure at the lower end is 80kPa, find the velocity
1. 0 answers
2. 579 views
Nitroglycerin, an explosive compound, decomposes according to the equation below.4 C3H5(NO3)3(s) 12 CO2(g) + 10 H2O(g) + 6 N2(g)
1. 5 answers
2. 935 views
Refer to the Baseball data, which report information on the 30 Major League Baseball teams for the 2010 season. Let the number
1. 2 answers
2. 2,017 views
List the following bonds in order of increasing ionic character. (Enter your answer in the format H-O for the hydrogen-to-oxygen
1. 0 answers
2. 1,135 views
Use linear approximation to show that each function below can be approximated by the given expression when |x| is smalli.) sinx
1. 0 answers
2. 392 views
Consider a pulse of laser light aimed at the Moon thatbounces back to Earth. The distance between Earth and the Moon is 3.84 *
1. 1 answer
2. 686 views
Read two numbers from the keyboard Display the menu options as follows: 1 - computes the sum of two numbers. 2 - computes the
1. 1 answer
2. 774 views
In a coffee-cup calorimeter, 1.91 g of NH4NO3 is mixed with 75.0 g of water at an initial temperature of 25.00oC. After the
1. 2 answers
2. 839 views
I need to determine how many grams of Cesium Iodide following solutes would be needed to make 5.00 102 mL of a 0.300 M solution.
1. 3 answers
2. 589 views
Inter-temporal Price Discrimination.Suppose that technophiles are willing to pay $400 now for the latest iPhone, but only $300
1. 1 answer
2. 541 views
The period (the time required for one complete swing) of a simple pendulum varies directly as the square root of its length. If
1. 2 answers
2. 1,885 views
One of the reactions that occurs in a blast furnace, where iron ore is converted to cast iron, is below.Fe2O3 + 3 CO 2 Fe + 3
1. 1 answer
2. 737 views
Hydrogen fluoride is used in the manufacture of Freons (which destroy ozone in the stratosphere) and in the production of
1. 3 answers
2. 1,994 views
Silver ion concentrations are needed for a solution. You have 0.050 M AgNO3, if you added 5.0mL of 12. M NH3 to 500.mL of this
1. 2 answers
2. 1,271 views
A ship maneuvers to within 2500 m of an island's 1800 m high mountain peak and fires a projectile at an enemy ship 610 m on the
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2. 1,126 views
A spy in a speed boat is being chased down a river by government officials in a larger craft. If the spy travels at 26 m/s and
1. 1 answer
2. 439 views
you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 80 steps per minute, with each step 8.00 inches high.
1. 0 answers
2. 689 views
What word best completes this sentence. ¿Dónde están Uds.? (Está) (Estás) (Estoy) (Estamos) en la clase de ciencias
1. 2 answers
2. 999 views
What word best fits this sentence? Que necesitas para la clase de ciencias naturales?________ un diccionario! (Necesitamos)
1. 3 answers
2. 1,495 views
Which word best fits this sentence. La clase de ciencias sociales es (facil) (aburrida) (dificil) (divertida). Hay mucha tarea
1. 1 answer
2. 848 views
I am trying to complete this Paragraph using these 7 words. 1. eres 2. soy 3. aveces 4. deportista 5. segun 6. le gusta 7. se
1. 3 answers
2. 607 views
Can you give me a example of what two friends do and don't like written in Spanish in an Essay.
1. 1 answer
2. 429 views
Given f(x)=sin(x)-2cos(x) on the interval [0,2pi].a) Determine where the function is increasing and decreasing. b) Determine
1. 1 answer
2. 773 views
Which of the following is an article from a popular magazine?
1. 1 answer
2. 414 views
Dr. Kyle shared the newspaper clipping with his class. "This is an unusual case, but I believe the punishment phase of the trial
1. 9 answers
2. 534 views
How can lean manufacturing and near-sourcing help a company gain a competitive edge and prepare for the future
1. 0 answers
2. 394 views
The Great Pyramid of Giza has a square base with side length of 755 ft. and an original height of 481 ft. Determine its original
1. 1 answer
2. 1,130 views
what is the formula used to find time with an Vo at 0, Vf at 22 m/s2, and a constant velocity at 1.7 m/s2?
1. 1 answer
2. 309 views
I have been out of school for a long time and not understanding these questions. Please helpwhy is 5^0=1 can you explain when
1. 1 answer
2. 461 views
Please help!Answer the following for a body centered unit cell. Crystalline Solids Program Answers should be numerical, set r =
1. 4 answers
2. 667 views
Please help!Answer the following for a body centered unit cell. Crystalline Solids Program Answers should be numerical, set r =
1. 0 answers
2. 616 views
Based on the results of problems 8 and 9 if the heat of formation of water is -286 kJ/mol,The H ffor CaO(s) is kJ/mol.
1. 1 answer
2. 462 views
When 0.934 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 383C is observed.Assume the solution's
1. 0 answers
2. 458 views
If the molecular mass for a chemical is 151.97 g/mol and the enthalpy of formation is -1128 kJ/mol, the heat change will bekJ
1. 1 answer
2. 456 views
When 0.671 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 109C is observed.Assume the
1. 0 answers
2. 463 views
A baseball player hits a line drive to center field. He runs from second to third at 20 feet/sec. How fast is the distance from
1. 1 answer
2. 572 views
A 0.20-kg block rests on a frictionless level surface and is attached to a horizontally aligned spring with a spring constant of
1. 0 answers
2. 1,150 views
A 2.00-kg block of ice is at STP (0¢XC, 1 atm) while it melts completely to water. What is its change in entropy? (For ice, Lf
1. 6 answers
2. 3,039 views
1.Did William Garrison and John Brown promote the same cause? true or false2.The two most decisive battles of the Revolution
1. 2 answers
2. 703 views
find the the 2nd derivative and set equal to zero in order to find inflection points of the functionf(x)=1/(5x^2+4)
1. 1 answer
2. 508 views
Use the distributive property to write an equivalent variable expression.-5(4j-1)
1. 3 answers
2. 757 views
adam frog can jump 4 times as far as sonya frog. sonya frog can jump 8 inches. use a picture and a number sentence to tell how
1. 1 answer
2. 552 views
selecting three (3) coins, but assume that there are 5 dimes, 4 nickels, and 2 quarters.In how many possible ways can the
1. 1 answer
2. 2,166 views
Dangling modifiers - are these right? Second entry is my corrected version.1. In 1883, massive destruction was caused by the
1. 1 answer
2. 715 views
What is the maximum frequency output for a square wave from the HP 33120A Waveform Generator?I found the HP 33120A Waveform
1. 1 answer
2. 428 views
Final Project: A World ApartGermany and America · Resources: Appendix A and Corrections: The Fundamentals · Select a country
1. 3 answers
2. 768 views
If vector a and b are unit vectors, and |a+b|= root3, determine (2a-5b) dot product(b+3a)
1. 1 answer
2. 1,095 views
I have just started a basic class in programming and I am totally lost. Can someone help me out? I have to write pseudocodes and
1. 3 answers
2. 989 views
What exactly is this question telling me to do?Write the balanced chemical equation for the dissociation of Cu(OH)2(s) in
1. 1 answer
2. 405 views
Chevrolet just announced a new incentive program that provides either $5,000 cash back or zero percent financing for up to seven
1. 0 answers
2. 503 views
You manage a U.S. based company that makes #2 pencils that sell in a highly competitive market (your pencils are considered a
1. 0 answers
2. 531 views
E2 (total) of rod (of length L = 9.15 mm) = 4.18 ×10^3 V/m. E1=1.76 x 10^3. E3=1.57 x 10^3. The rod consists of three sections
1. 0 answers
2. 1,024 views
(2x^2-8x-42)/6x^2=(x^2-9)/x^2-3xHow do you solve this problem? Please list the steps.. Thank You
1. 1 answer
2. 513 views
Rank these acids from weakest to strongest: H2C2O4, HCO3-, H2PO4-, HCOOH.
1. 0 answers
2. 1,290 views
The driver accelerates a 240.0 kg snowmobile, which results in a force being exerted that speeds up the snowmobile from 6.00 m/s
1. 2 answers
2. 8,458 views
Suppose that 2.00 mol of HNO2 is dissolved in 1.00L of water at 25 degrees C. Because HNO2 is a weak acid, it is in equilibrium
1. 0 answers
2. 630 views
A l.00L flask contains 4.40mol of HI at a certain temperature. The Keq at this temperature is 5.0 * 10^-4. What are the
1. 0 answers
2. 561 views
Which value of Keq indicates most favorability of product formation, Keq = 1 * 10^12, Keq= 1.5 or Keq= 5.6 * 10^-4?
1. 1 answer
2. 1,467 views
A broom handle has a length of 1.67m and a mass of 580g with the axis rotation through the center. (what is this problem asking
1. 2 answers
2. 948 views
I have no idea where to start with this problem:A certain reaction has the following general form: aA -> bB At a particular
1. 0 answers
2. 1,031 views
I have no idea where to start with this problem:A certain reaction has the following general form: aA -> bB At a particular
1. 0 answers
2. 569 views
A bolt is to be tightened with a torque of 8.0 N*m. If you have a wrench that is 0.35 m long, what is the least amount of force
1. 1 answer
2. 1,471 views
What is the probability that a number chosen at random from the range 1,000,000,000 to 9,999,999,999 inclusive will contain ten
1. 4 answers
2. 952 views
What type of chemical reation is :Na + H2O---) NaOH + H2? The 2s are subscripts but I couldn't get it to type that way.
1. 1 answer
2. 577 views
Hydrogen gives off 120. J/g of energy when burned in oxgyen, and methane gives off 50. J/g under the same circumstances. If the
1. 5 answers
2. 5,107 views
I am trying to create a forumla that will subtract two columns and in the third column tell me if the one column is greater than
1. 1 answer
2. 501 views
what are some of the challenges caused by immigration?
1. 2 answers
2. 536 views
Why do non-polar substances tend to boil at relatively low temperatures?
1. 1 answer
2. 564 views
find all the values:sin2x- sqrt3cosx=0
1. 3 answers
2. 2,513 views
Review Ch. 5, The Flow of Energy Through Ecosystems. Then, complete Appendix C. · Post your response to the following: Identify
1. 3 answers
2. 950 views
Where appropriate, include the approximation to the nearest ten-thousandth.27.) log x = -3 I have the answer as 1 28.) 7
1. 2 answers
2. 1,133 views
State the domain and the range of each function.22.) f(x)=e^x +3 the +3 is separated 23.) g(x)= 1n(x-1)
1. 2 answers
2. 390 views
Where appropriate, include the approximation to the nearest ten-thousandth.31.) log(x-4)+ log(x+4)= log4 I have the answer as 4
1. 4 answers
2. 1,029 views
Where appropriate, include the approximation to the nearest ten-thousandth.27.) log x = -3 I have the answer as -3 28.) 7
1. 2 answers
2. 469 views
Where appropriate, include the approximation to the nearest ten-thousandth.24.) 3^x= 1/81 25.) logx 125 =3 26.) log64 x = 1/2
1. 5 answers
2. 1,024 views
State the domain and the range of each function.22.) f(x)=e^x +3 23.) g(x)= In(x-1)
1. 0 answers
2. 1,086 views
State the domain and the range of each function.22.) f(x)=e^x +3 23.) g(x)=1n(x-1)
1. 2 answers
2. 499 views
If loga 8=2.079, loga 5=1.609, and loga 3=1.099, find the following?19.) loga 8/3 is this 1.89? 20.) loga 24 Not sure 21.) loga
1. 3 answers
2. 2,114 views
Simplify:Note: The first letters next to log are the small letters. 16.) logr r 17.) logt t^4 18.) logb 1
1. 3 answers
2. 439 views
Express in terms of logarithms of a, b, and c: log(a^3b^2)/cHow would I convert this?
1. 2 answers
2. 878 views
Find the formula for the inverse of each function.4.) g(x)= (x+5)^3 I do not understand how to do this one.
1. 3 answers
2. 1,186 views
Convert to exponential equations.12.) m=log3 9 I have the answer as 3^m =9 13.) log2 64=6 I have the answer as 2^6 =64 Are these
1. 2 answers
2. 544 views
Convert to Logarithmic equations.10. 4^-3 =1/64 I have the answer as log4 1/64 =-3 11. 144^1/2 =12 I have the answer as log
1. 6 answers
2. 1,370 views
Find the formula for the inverse of each funtion.3.) f(x)= 2x-5 for this one I have y= (x+5)/2 is this correct? 4.) g(x)=
1. 3 answers
2. 497 views
Determine whether f(x)=x^2 is one to one.I have the answer as yes. Is this right
1. 5 answers
2. 415 views
Determine whether f(x)=x^2 is one to one.When I substitute values in for x even when I use negative values x^2 will be positive
1. 0 answers
2. 407 views
Find (fog)(x)and (gof)(x)if f(x)=x-x^2 and g(x)= 2x+3.Okay so I did the following: For f(of)g(x), take (2x+3) - (2x+3)^2 (insert
1. 2 answers
2. 461 views
Find (fog)(x)and (gof)(x)if f(x)=x-x^2 and g(x)= 2x+3.
1. 1 answer
2. 571 views
The average walking speed R of people living in a city of population P,in thousands, is given by R=0.37InP+0.05, where R is in
1. 2 answers
2. 4,891 views
Number the rivers in the sequence the NY giants will cross them en route to the valley of the sun(Tennessee)Arkansas Delaware
1. 4 answers
2. 578 views
Yeah i have 2 more that i cant find: can you answer (or atleast help with) these questions-Number the rivers in the sequence the
1. 1 answer
2. 449 views
what is the shallow part of the sea off the coast ofBoston called?
1. 2 answers
2. 489 views
Solve w= (va)/(r^2+a^2) for a.I applied the quadratic formula a= (v/w +- sqrt (v^2/w^2 - 4*(-wr^2)) /2 and I have the answer as
1. 3 answers
2. 401 views
Solve: x-(3/x)<0is the answer(-infinity, -sqrt3)U(0,sqrt3) ?
1. 2 answers
2. 451 views
One solution of kx^2 +6x-k=0 is -3. Find the other solutionI have the answer as -1/3 is this right?
1. 2 answers
2. 429 views

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