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Questions Asked on May 12, 2013

The system N2O4 <--->2NO2 maintained in a closed vessel at 60º C & a pressure of 5 atm has an average (i.e. observed) molecular
1. 3 answers
2. asked by kriti
3. 4,952 views
Two people are carrying a box. One person exerts a force of 150 pounds at an angle of 62.4 degrees with the horizontal. The
1. 2 answers
2. asked by Anonymous
3. 4,634 views
Find a formula for the nth term if...a)the 8th term is 8 and the 20th term is 44 b) the 8th term is 4 and the 18th term is -96
1. 2 answers
2. asked by Rebekah
3. 4,000 views
write a balanced net ionic equation for the overall reaction represented by the cell notation below.Pt/ Fe2+, Fe3+ // I-/AgI/Ag
1. 3 answers
2. asked by Lana
3. 3,760 views
Calculate the power of a hair dryer that operates on 120V and draws a current of 10 A.
1. 4 answers
2. asked by jamya
3. 3,304 views
a square sheet of tin 30cm on a side is to be used to make an open - top box by cutting a small square of tin from each corner
1. 1 answer
2. asked by irma
3. 2,626 views
Consider a normal distribution with mean 20 and standard deviation 3. What is the probability a value selected at random from
1. 3 answers
2. asked by erin
3. 2,446 views
what mass of Pb^2+ ion is left in solution when 50 ml of 0.2M PbCl2 is added to 50ml of 1.5 NaCl?[Ksp for PbCl2= 1.7* 10^(-4)]
1. 1 answer
2. asked by piyush
3. 2,126 views
Suppose last year's inflation rate was 5%, but Wall Street analysts expect this year's interest rate to be 4%. Which of the
1. 1 answer
2. asked by Anastasia
3. 2,016 views
How many grams of nitric acid (HNO3) must be dissolved in 740 mL of water to make a solution with a pOH = 8.3?
1. 4 answers
2. asked by Natasha
3. 1,818 views
consider a iodometric titration. why we add starch indicator just before the end point????. why cannot we add it before we start
1. 1 answer
2. asked by Tharusha
3. 1,734 views
thanks for helping me!You spin the spinner twice. draw a tree diagram and list sample spaces to show the possible outcomes. From
1. 1 answer
2. asked by B6
3. 1,678 views
Forrest purchased a car for $20,640. He made a down payment of $2,440. He applied for a five-year installment loan with an
1. 2 answers
2. asked by Janae
3. 1,612 views
what is the explicit formula for the sequence 3,7,11,15
1. 2 answers
2. asked by Alex
3. 1,539 views
Determine the quantity of stock 75.0% v/v EtOH required to prepare 300ml of a 25.0% v/v EtOH solution
1. 1 answer
2. asked by mikela
3. 1,495 views
If the government imposes a price ceiling of $100 on a market, what would happen in the market as a result of protests of price
1. 0 answers
2. asked by Ellen
3. 1,391 views
Calculate Ecell forthe following electrochemical cell at 25 CPt(s) |H2(g, 1.00 bar) |H + (aq, 1.00 M) || Pb2+(aq, 0.150 M) |
1. 1 answer
2. asked by Lana
3. 1,274 views
16. Functional foods are those containing nutritional supplements in addition to natural nutrients. Examplesinclude orange juice
1. 1 answer
2. asked by lisa
3. 1,242 views
A plane progressive wave is represented by the wave equation:y=0.1sin⁡(200 ðt-20ðx/17) Where y is in millimetres, t is in
1. 0 answers
2. asked by rare
3. 1,205 views
Stacey used her 20% discount card to buy 7 cans of tomatoes and 15 cans of mushrooms for $10.64. The next day Brian spent $ 7.21
1. 1 answer
2. asked by Tom
3. 1,152 views
Which equivalent fraction makes this number sentence true? 2/3=4/6=?a. 5/7 b. 8/12 c. 6/12 d. 10/5
1. 1 answer
2. asked by Debbie K
3. 1,128 views
The population P of a city has been increasing at an annual rate of 1.4%. It's population was 173 thousand in 1992.A. Find a
1. 0 answers
2. asked by Taylor
3. 1,098 views
There are 6 members in a club and only 4 computers.Club meets for 60 minutes. Each member wants equal computer time. How much
1. 1 answer
2. asked by Megan
3. 1,096 views
1. The expression log 5x is equivalent to2. Write the equation of a polynomial whose sum of the roots equals -3 and the product
1. 1 answer
2. asked by Shannon
3. 1,093 views
What is the 6th term of the geometric series with a1= -5 and r=2.5
1. 1 answer
2. asked by Alex
3. 1,047 views
A typical baseball has mass of 150 grams. Suppose a batter hits a fastball pitched to him at 92 mph (which is about 40.89 m/s).
1. 1 answer
2. asked by Anonymous
3. 1,031 views
Ways in which smoking impacts on your community
1. 1 answer
2. asked by Brandon
3. 988 views
A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of
1. 0 answers
2. asked by Danny
3. 956 views
Need help setting up the problem: If you deposited $800 into a savings account with an interest rate of 3.8%, what will be your
1. 1 answer
2. asked by Brandi
3. 951 views
Which number sentence is true?a. 5/14=5/9 b. 5/14>5/9 c. 5/9>5/14 d. 5/9=5/14
1. 1 answer
2. asked by Debbie K
3. 912 views
A small airplane loses a bolt while traveling at a speed of 150 meters/second in the horizontal direction. The bolt follows a
1. 1 answer
2. asked by Anonymous
3. 903 views
If (8, 7) are the coordinates of a point on a line that has slope –3, what is the y-coordinate of the point on the line at
1. 1 answer
2. asked by patty
3. 887 views
3 environmental health hazards
1. 1 answer
2. asked by sinnah
3. 860 views
In 10-15 lines critically discuss 5 ways in which HIV/AIDS impacts on the community.Provide relevant sources to support your
1. 1 answer
2. asked by Halalisani
3. 813 views
The second term in the expansion of (1-x)(1+2x)Λn is 19x. Find the value of n
1. 1 answer
2. asked by Natasha
3. 811 views
Malia puts together six 4-by-4-by-1 inch square layers with 1-inch cubes, then stacksthem up to form a rectangular prism. This
1. 0 answers
2. asked by Nate Williams
3. 801 views
Suppose that China’s population policy is modified so that every family could have children until either a boy is born or
1. 1 answer
2. asked by emma
3. 782 views
1. Mi padre no es bajo. Es ______.A. alto B. feo C. paciente D. gemelo I said A. 2. Me gustan los perros grandes. No me gustan
1. 1 answer
2. asked by Eri
3. 776 views
The cylindrical bar in the figure has a total length L=1.2 m, a diameter d=15 mm, and is confined by fixed supports at the walls
1. 0 answers
2. asked by AMK
3. 748 views
A singly charged positive ion has a mass of 5.2x10^-27 kg. After being accelerated from rest through a potential difference of
1. 1 answer
2. asked by HELP
3. 741 views
Part 1: Write two conditional statements for which the converse is true.1. Statement: 2. Converse: 3. Statement: 4. Converse:
1. 0 answers
2. asked by allie
3. 729 views
write as an equivalent decimal or a decimal approximation. 4 12/19
1. 1 answer
2. asked by John
3. 716 views
the population of a certain city is 1.3 million people. if the population is growing at the rate of 4% per year what will the
1. 1 answer
2. asked by Alex
3. 714 views
An electron in a television CRT moves toward the front of the tube with a speed of 7.5x10^6 m/s. A magnetic field of 0.04T (on a
1. 1 answer
2. asked by HELP
3. 710 views
The radioactive element has a half-life of about 28 years and sometimes contaminates the soil. After 47 years, what percentage
1. 2 answers
2. asked by Taylor
3. 683 views
A clock is 4 minutes fast when the correct time is 10am,but it is losing 2 minutess every half hour.What time will it show when
1. 1 answer
2. asked by lien
3. 674 views
how would you explain the redeeming value of sexual appeals in advertising?if sexual appeals are considered okay by the targeted
1. 1 answer
2. asked by tenzing
3. 655 views
HOW DO I IDENTIFY INTERVALS????I need to know major, minor, augmented, diminished, and perfect. so here is what I kind of
1. 0 answers
2. asked by Anna
3. 647 views
a boy is runnig on a striaght road he runs 500 m towards north in 2 m 10 s and then turns back and runs 200m in1 m calculate the
1. 1 answer
2. asked by Anonymous
3. 631 views
To Ms Sue and Ms Reiny, who have helped me with homework questions in the pastHappy mother's day. To all the other tutor's who
1. 1 answer
2. asked by B6
3. 621 views
assign oxidation numbers to each atom in the following compounds :Hi Pbr3 Ges2 Kh AS2O5
1. 1 answer
2. asked by Noureldin
3. 620 views
calculate the heat energy required to raise the temperature of a 500. gram iron pipe from 25 degress celcius to 100 degrees
1. 2 answers
2. asked by andrea
3. 620 views
How many of the first 1001 Fibonacci numbers are divisible by 3? I know the correct answer is 250....... but i need solution of
1. 1 answer
2. asked by jamesbond
3. 614 views
City A has 1,000,000 people; City B has 4,000,000 people. Suppose the goal is to try to predict the percent of Purple Party
1. 4 answers
2. asked by Din123
3. 605 views
In 10-15 lines critically discuss 5 ways in which HIV/AIDS impacts on the environment.Provide relevant sources to support your
1. 1 answer
2. asked by Halalisani
3. 591 views
A small 8.00g metal ball is suspended by a 14.0cm long string in a uniform electric field of 1200 N/C [right] (like in question
1. 0 answers
2. asked by HELP
3. 586 views
can soemone help me please ?what is one diffrence between the credentials of Jerrilyn Jacobs and Zlata Filipovic a) Jerrilyn
1. 9 answers
2. asked by isabella
3. 580 views
Which number sentence is true?a. 5/14=5/9 b. 5/14>5/9 c. 5/9>5/14 d. 5/9=5/14
1. 1 answer
2. asked by Debbie K
3. 578 views
solve cosx= (squareroot3)/ 2 where 0 <(with a line underneath) x <(with a line underneath) 2 piea) how many solutions are
1. 2 answers
2. asked by Maria
3. 576 views
Suppose that you learn, prior to your trip to British Columbia, that gasoline will cost $1.50 (in Canadian dollars) for every
1. 3 answers
2. asked by emma
3. 559 views
Use the Midpoint Rule with n =3 to approximate the integral�ç−1−8(10x−9x2)dx
1. 0 answers
2. asked by Ryan
3. 556 views
If 1 mol L of 2.0 mol L hydrochloric acid is diluted to form a solution with concentration 0.2 mol L,A. What is the final
1. 0 answers
2. asked by Jiskhaa
3. 555 views
A helium balloon has a mass of 0.022 kg, which includes both the helium and the balloon itself. On this balloon, there is 0.290
1. 0 answers
2. asked by Nick
3. 552 views
how does the engines get cooled when the vehicle moves in a hill ramp.?i ask this question because its said that cooling fans
1. 0 answers
2. asked by NANDHU
3. 550 views
in an arithmetic sequence a1=4 and d=8 which term is 428Show your work
1. 2 answers
2. asked by Alex
3. 547 views
Suppose that you learn, prior to your trip to British Columbia, that gasoline will cost $1.50 (in Canadian dollars) for every
1. 0 answers
2. asked by emma
3. 545 views
Elijah draws shapes on his graph paper.He draws a square with sides 1/2 inch long. He draws an equilateral triangle with sides
1. 0 answers
2. asked by Debbie K
3. 538 views
a man pulls a log of mass 45 kg along level ground by means of a rope at constant speed. If the applied force is at an angle of
1. 0 answers
2. asked by maham
3. 534 views
A simple random sample of 50 students is taken from a class of 300 students. In the class,* the average midterm score is 67 and
1. 4 answers
2. asked by Din123
3. 530 views
Alice writes an addition problem, adding two 2-digit counting numbers to get a sum of 134.Bob erases the tens digit of one of
1. 0 answers
2. asked by Nate Williams
3. 529 views
What is the net upward force on an airplane wing of area 22.0 m2 if the speed of air flow is 315 m/s across the top of the wing
1. 0 answers
2. asked by a
3. 521 views
2.76 grams of silver carbonate produced a 50 percent yield of silver oxide. what is the actual mass of this reaction
1. 1 answer
2. asked by Anonymous
3. 515 views
Each sample has n= 5 scores with s2 =38 for the first sample and s2 = 42 for the second. (Note:Because the two samples are the
1. 0 answers
2. asked by diana
3. 514 views
a basketball scout randomly selected 144 players and timed how longeach player took to perform a certain drill. The times in the
1. 1 answer
2. asked by mary
3. 510 views
Name two intitutions/community organizations that are involved in supporting or giving redress to teenage pregnancy.explain how
1. 1 answer
2. asked by unique
3. 506 views
Topic: poverty in the community /in schools, five ways in which the human or environmental problem impacts on the
1. 1 answer
2. asked by Evodia Zanele Matenje
3. 487 views
�ç1 0 x^2dx=1/3. Use this and the properties of integrals to evaluate�ç1 0 10−2x^2dx
1. 1 answer
2. asked by Brian
3. 484 views
In 10-15 lines critically discuss 5 ways in which the human or environmental problem impact on the community
1. 1 answer
2. asked by Anonymous
3. 481 views
critically discuss five ways in which water pollution impacts on the community,provide relevant sources to support your claims.
1. 0 answers
2. asked by Abosh
3. 479 views
the productivity of a person at work (on a scale of 0-10) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in
1. 1 answer
2. asked by samantha
3. 477 views
Which sign goes in the box to make the number sentence true? 3/4 ? 6/8a. > b. < c. = d. +
1. 0 answers
2. asked by Debbie K
3. 471 views
Find the equation of the asymptotes for the hyperbola defined by the equation:((y + 4)^2 / 36) - ((x - 3)^2 / 25) = 1
1. 1 answer
2. asked by Tristan
3. 470 views
I need helping in filling in the blanks/-the angle formed at the centre of the circle by two radii is the _______ angle. -cos
1. 1 answer
2. asked by Thomas
3. 464 views
The expression sin 25° cos 47° + cos 25° sin 47° is equivalent to(1) sin 22° (2)sin 81° (3) cos 22° (4) cos 81°
1. 1 answer
2. asked by Shannon
3. 461 views
how many grams of phosphorus pentachloride are needed to produce 49 grams of phosphoric acid.
1. 1 answer
2. asked by Anonymous
3. 455 views
gary has walked 305 meters, and continues at a rate of 1 meter per second. Mary has walked 113 meters, and continues at a rate
1. 1 answer
2. asked by gege
3. 454 views
Lori has 3 red balloons, 1 white balloon, and 6 blue balloons. Which balloon color is 3/4 of the group?a. white b. blue c. green
1. 1 answer
2. asked by Debbie K
3. 445 views
Which fraction is greater than one whole?a. 1/7 B. 6/5 C. 9/9 d. 13/15
1. 1 answer
2. asked by Debbie
3. 435 views
Use the properties of logs to write the expression as one log:8log(base 5)4th square root of x minus 4log(base 5) x
1. 0 answers
2. asked by Taylor
3. 421 views
Which sign goes in the box to make the number sentence true? 7/8 ? 1a. = b. + c. > d. <
1. 1 answer
2. asked by Debbie K
3. 420 views
14. The reaction H2S (aq) = HS-(aq)+ H+(aq) has pK = 7 at 298 K, 1bar.Consider a solution in which total dissolved sulfur is
1. 1 answer
2. asked by Anonymous
3. 406 views
What would be the initial offering price for the following ( assume semiannual compounding), a 15-year zero coupon bond with a
1. 0 answers
2. asked by Virgo
3. 405 views
Wich fraction is less than one whole?a. 12/11 b. 3/3 c. 13/7 d. 7/8
1. 1 answer
2. asked by Debbie K
3. 396 views
What is the change in angular momentum of a planet with radius R if an asteroid mass m and speed v hits the equator at an angle
1. 0 answers
2. asked by Anthony
3. 393 views
Doyle,Lena, and Juan played checkers 12 times. Doyle won 1/2 of the games, Lena won 5/12 of the games, and Juan won 1/12 of the
1. 1 answer
2. asked by Debbie K
3. 391 views
Estimate �ç4 1 ln(x)−3dx using 6 midpoint rectangles
1. 0 answers
2. asked by Bryan
3. 388 views
An operation produces A−1/A from a fraction A= m/n, where m ≠ n and m ≠ 0. If the initial value of A is 24/47 and the
1. 0 answers
2. asked by Tom
3. 386 views
How to unscramble this word isarntucio
1. 0 answers
2. asked by lil dee
3. 385 views
I made a 95 on a test of 20 questions, but it took 35 tries. What is my real grade?
1. 3 answers
2. asked by Jerome
3. 383 views
two institutions/community organizations that are involved in redressing teenage pregnancy
1. 0 answers
2. asked by emanuel
3. 381 views

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