Ask a New Question
Search
Archives
2012
July
Questions Asked on
July 14, 2012
An electrochemical cell is based on these two half-reactions:
Ox: Sn(s) → Sn2+(aq, 1.74 M) + 2 e- Red: ClO2(g, 0.120 atm) + e-
1 answer
asked by
Anonymous
5,424 views
1. A bullet of 0.0500 kg is fired into a block of wood. Knowing that the bullet left the gun
with a muzzle velocity of 350. m/s,
1 answer
asked by
Help Please
5,095 views
Write the balanced equation for the neutralization reaction between H2SO4 and KOH in aqueous solution. Phases are optional.
1 answer
asked by
Anonymous
4,017 views
1. Find the pressure exerted on the ground (in psi) by a 250 lb person who is sitting on a chair whose 4 legs touch the ground
1 answer
asked by
Fix30
3,590 views
A solution is prepared by dissolving 20.2 {\rm mL} of methanol ({\rm{CH}}_3 {\rm{OH}}) in 100.0 {\rm mL} of water at 25 ^\circ
1 answer
asked by
aa
3,428 views
Convert the mixed number, 1 3/4 , to a fraction. Reduce fraction if necessary.
A. 4/12 B. 4/7 C. 7/4 D. 12/4
2 answers
asked by
Mary
2,249 views
if someone scored two standard deviations above the mean on a standard test where the mean =100 and the standard deviation = 15,
2 answers
asked by
benjamin
2,176 views
A solution is made by mixing 47.0 mL of ethanol, C2H6O, and 53.0 mL of water. Assuming ideal behavior, what is the vapor
1 answer
asked by
Pagye
1,701 views
A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s
2 answers
asked by
Paulie
1,599 views
How do I figure out the limiting reagent for this experiment? Preparation of diphenylacetylene! Step 1:: trans-stilbene +
2 answers
asked by
Yi
1,582 views
Given These Equations
x+y=9.0 .50x+.20y=3.90 Find the values of X and Y.
2 answers
asked by
Jenny
1,564 views
find the equation of a parabola that opens to the right with given vertex: (0,3) and passes through the point: (2,-1)
1 answer
asked by
nik
1,521 views
An office copier uses a lens to place an image of a document onto a rotating drum. The copy is made from this image. (a) What
1 answer
asked by
Beth
1,447 views
13. What is the equation of a cosine function with amplitude 3, transition point (−1, 1), and period p?
A. y = p cos [3(x −
1 answer
asked by
yeahyeah
1,380 views
Suppose $3500 is invested in an account with an APR of 11% compounded monthly. Find the future value of the account in 3 years.
1 answer
asked by
Meredith
1,256 views
What is the final velocity of an object if it starts from rest and accelerates at a rate of 99.0 meters/second² for 4.50
0 answers
asked by
Anonymous
1,235 views
a toy rocket is shot into the air at the top of a building so that its height above the ground t seconds after the rocket is
2 answers
asked by
lola
1,208 views
A dolphin jumps with an initial velocity of 13.0m/s at an angle of 41.0 ^\circ above the horizontal. The dolphin passes through
2 answers
asked by
aa
1,206 views
A local fire station receives an average of 0.5 rescue calls per day. Find the probability that on a randomly selected day, the
0 answers
asked by
HELP
1,145 views
I want a rectanglular pen with area = 50 square feet and to save on fencing I will build it next to the garage. How should I
1 answer
asked by
lola
1,136 views
Earth has a radius of about 12,500 km. If the volume of the earth were to remain the same, but the shape of the earth was a
1 answer
asked by
kiki
1,109 views
Triangle ΔABC has vertices A(2,5), B(8,1) and C(-2,-1) and is a right triangle. If the slope of AB is -2/3 and the slope of AC
1 answer
asked by
Math
1,102 views
the volume of a gas at 273 degree cels and 2 atm pressure is 5L. What would be its volume at 0 degree celsius and 1 atm pressure
1 answer
asked by
star
1,055 views
A positive charge +q1 is located to the left of a negative charge -q2. On a line passing though the two charges, there are two
1 answer
asked by
CombatVetUSMC
1,022 views
When the baseball is shot straight upward with an initial speed of 20 \rm m/s, what is the maximum height above its initial
2 answers
asked by
aa
973 views
A converging lens (f = 14.6 cm) is located 39.0 cm to the left of a diverging lens (f = -4.57 cm). A postage stamp is placed
2 answers
asked by
Beth
965 views
Can you explain how purpose, audience, tone, and content impact academic writing?
1 answer
asked by
Darrell Chisolm Jr
934 views
acetic acid: 0.1 M 30ml
hydrochloric acid 0.1 M 5 ml sodium hydroxide 0.1 M 15 ml Buffer + 5ml of: 1.91 ph ph (measured): 4:52 ph
4 answers
asked by
fenerbahce
923 views
The mean of five numbers is 8. If one of the numbers is removed from the list, the mean becomes 7. what is the number that was
4 answers
asked by
bria
920 views
Solve the following initial-value problem: y"+6y'+5y=0; y(0)=0. y'(0)=3
1 answer
asked by
Maegan
878 views
For the reaction N2O4(g)=2NO2(g), the value of K at 25 degrees XCelsius is 7.19*10^-3. Calculate N2O4 at equilibrium when NO2
1 answer
asked by
Amy
866 views
is x-7y=2 a function
2 answers
asked by
chchch
819 views
Assuming 100% dissociation, calculate the freezing point and boiling point of 2.91 m K3PO4(aq).
1 answer
asked by
Jenny
805 views
DO YOU THINK ENOGH STEPS HAVE BEEN TAKEN TO REDUCE ERRORS IN MEDICAL ABBREVIATION USAGE?
1 answer
asked by
MARIA
742 views
A mass m = 13 kg is connected to two different springs, one on the left and another on the right. It is displaced a distance x
2 answers
asked by
Bruce
728 views
A compound microscope has a barrel whose length is 17.4 cm and an eyepiece whose focal length is 1.7 cm. The viewer has a near
0 answers
asked by
Beth
726 views
When 2.25 g of a nonelectrolyte solute is dissolved in 125 mL of water at 22 °C, the resulting solution exerts an osmotic
1 answer
asked by
Jen
707 views
Find the geometric mean between 6x and 24x.
A.)4 B.)12 C.)12x
8 answers
asked by
kiki
692 views
Light waves with two different wavelengths, 632 nm and 474 nm, pass simultaneously through a single slit whose width is 4.47 x
2 answers
asked by
Beth
689 views
Find the general solution of t^2y"-3ty'+4y=0 on (0, infinity sign, given that Y1=t^2 is a solution
1 answer
asked by
Maegan
669 views
A body moves along a straight line from rest with an acceleration of 2m/s². Calculate the time taken by it to cover a distance
1 answer
asked by
Ragheeba
669 views
Sally Sue is atop a 10.0 m high platform where she will drop an apple straight down. On the ground
below, and 20.0 m
2 answers
asked by
Zac
666 views
I ran this an an independent samples t-test. It is a t rest according to the professor, just want to make sure I have the right
0 answers
asked by
Help Please
648 views
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure
1 answer
asked by
Payie
640 views
Kidney stones are composed of crystals of calcium oxalate, CaC2O4. The solubility of CaC2O4 is
6.7 x 10-5 g per 100 ml of
1 answer
asked by
Milana
635 views
the average height of members of the high school basketball team is six feet,three inches . jerry is on the high school
1 answer
asked by
lisa
620 views
Corporate bonds issued by Johnson Corporation currently yield 9.5%. Municipal bonds of equal risk currently yield 5%. At what
0 answers
asked by
Cindy
611 views
In the painting Adoration of the Kings by Gerard David, I have to decide where the linear perspective is leading toward and i
1 answer
asked by
Anonymous
605 views
Lately when I've been reading news articles and website blogs, I've been seeing some funny grammar that I don't remember
3 answers
asked by
Bob
603 views
Determine if the following pair of functions is linearly independent or dependent on (-infinity sign, infinity sign): f(t) =
1 answer
asked by
Maegan
599 views
The queen asked her cook how many guests had attended a recent banquet. “I do not know, my lady” he said, “but every two
3 answers
asked by
rick
584 views
age days in hospital
40 11 36 9 30 10 27 5 24 12 a. draw a scatter diagram (completed) b. does there appear to be a correlation
1 answer
asked by
bria
578 views
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 26m/s
2 answers
asked by
aa
574 views
Suppose you buy a $1395 savings bond that pays 4.3% annual simple interest. Determine the value of the bond after 7 years.
1 answer
asked by
Meredith
573 views
suppose that the angle of incidence is 1 = 37.1°, the thickness of the pane is 4.17 mm, and the refractive index of the pane is
1 answer
asked by
Beth
569 views
���if a relation exists between x and y, then we say that x ____ y or that y ___x and we write x---->y
a)depends on;corresponds
1 answer
asked by
chchch
568 views
Two groups of students are asked to depict a picture of a semi-circular pizza. Group 1 uses a ruler to depict the base of the
1 answer
asked by
Anonymous
567 views
All three planes in the figure provided are parallel. They are cut by lines containing points A, B and C and X, Y and Z. Each of
1 answer
asked by
john
567 views
Tom has difficulty battling distractions while studying. Which of the following strategies would help him with this problem?
A.
1 answer
asked by
Loulou
550 views
A circle is measured by a straight line across its widest part. This line is the __________ of the circle.
A. area B. radius C.
2 answers
asked by
Mary
549 views
Triangle I has sides with lengths 2 2/3 cm, 4 1/2 cm and 3 cm. Triangle II has sides with lengths 8 cm, 13 1/2 cm and 9 cm. Are
1 answer
asked by
kiki
549 views
The decimal number 0.75 means:
A. there are seventy-five parts of a whole unit that has 100 parts. B. there are seven-and-a-half
4 answers
asked by
Loulou
548 views
Sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. Why is this
0 answers
asked by
Loulou
547 views
in a particular experiment, 150.0 g of ammonium chloride were reacted with 290.0 g of barium hydroxide octahydrate, producing
1 answer
asked by
ama
543 views
In 10-15 lines critically discuss 5 ways in which the human or enviromental problem impacts on the community.
2 answers
asked by
Mosebjadi
542 views
a stone is thrown upward from the ground with a velocity of 80 m/s. how long will it take to reach a point 3 m above the ground
1 answer
asked by
Marvin
537 views
A batsman hits a cricket ball 'off his toes' towards a fieldsman who is 65 m away. The ball reaches a maximum height of 4.9 m
1 answer
asked by
Candice
536 views
i am a 9 digit number.i have 5 in my hundred thousands place.the digit in my thousands plce is 3 more than the digit in my
3 answers
asked by
princess aimee f. santos
536 views
Find the standard form of the equation of an ellipse with center at (-2,1) with major axis length 10 along y axis and minor axis
2 answers
asked by
nik
536 views
Hello can u help? I need a solution to calculus problem I have $500.00 to spend on fencing for a garden. The fence for the
1 answer
asked by
GiGi
530 views
Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to
1 answer
asked by
Kelon
523 views
Find the general solution of y"+4y'-2y=0
0 answers
asked by
Maegan
517 views
Renee has a research paper due in three days. She has set aside two hours to complete this task. What is wrong with this study
1 answer
asked by
Loulou
513 views
How many grams of Calcium Chloride will be produce when 25 g of Calcium carbonate combine with 12 g of HCl
1 answer
asked by
Ja'Lon
502 views
How do culture, spiritual beliefs, and customs related to health beliefs foster or prevent diseases and their treatment?
1 answer
asked by
Jessica
498 views
The surface area of any shape is expressed in:
A. square units. B. cubic units. C. feet and inches. D. length and width.
4 answers
asked by
Mary
494 views
Hey, I have here Clinical Protocols in front of me from one of the hospitals. I'm writing up an assignment and need to reference
2 answers
asked by
Carla
493 views
Which of the following are positive results of using new study techniques?
A. Learning new material will become easier. B. You
1 answer
asked by
Loulou
491 views
Find two binomials whose product is 15,600 and explain how you get it.
0 answers
asked by
HELP US
479 views
is y2=6-x2 a function
1 answer
asked by
chchch
475 views
find the volume of cube,one face of which has an area of 64 m square
2 answers
asked by
neha
473 views
What is the volume of a cylinder with the following dimensions:
Radius 6ft Height 24ft A. 33.14 ft3 B. 2712.96 ft2 C. 2712.96 ft3
2 answers
asked by
Mary
473 views
The ideal study plan includes which of the following?
A. An elaborate study environment. B. Quality preparation. C. Use of as
0 answers
asked by
Loulou
469 views
Provide recommendations on how to address the 5 ways in which the human or enviromental problem impacts on the community.
0 answers
asked by
Mosebjadi
466 views
Could you please explain what this sonnet means?
It is called March by Susie Harrison. The sonnet is below: With outstretched
1 answer
asked by
anonymous
466 views
I am stuck on this question:
what mass of KCl in grams when 2.00 lbs KC10 3 is decomposed?
1 answer
asked by
kelly
459 views
How do I calculate the initial concentraion of an acid?
1 answer
asked by
fenerbahce
459 views
establish identity
5csc^2theta-3cot^2theta=2csc^2theta+3
1 answer
asked by
Anonymous
453 views
A rectangle is 15 inches long and 6 inches wide. What is the area of the rectangle?
1 answer
asked by
DAN
453 views
Which of the following are positive results of using new study techniques?
A. Learning new material will become easier. B. You
1 answer
asked by
Loulou
447 views
Find the general solution of y"-3y=8e^(3t)+4sint
0 answers
asked by
Maegan
446 views
How could I say this sentence in a different way but it will still have that same sense: 'In future, I will aim to develop my
1 answer
asked by
Carla
443 views
Find the general solution of (D^2-3D+2)(D-5)^Dy=0. (Hint:Use the auxiliary equation)
0 answers
asked by
Maegan
434 views
explain the transactional relationship between business and society
1 answer
asked by
Anonymous
434 views
complete each of the following:1.4 000=______=______tens 2.870 000=____ten thousands=______thousands 3.90 000
6 answers
asked by
princess aimee f. santos
434 views
Explain how Florence reflects the ideals of the dominant city-state and how some of the geographical, economical, social, and
0 answers
asked by
Robert
426 views
Need help with domain and range
how do you find the domain and range of y=x+8. after that one how do you find the domain and
2 answers
asked by
chchch
425 views
Reduce the fraction 20/100.
A. 4/20 B. 2/20 C. 1/5 D. 5
1 answer
asked by
Mary
422 views
under what conditions would you recommend the following probability sample non–probability sample
3 answers
asked by
a
421 views
i need help with a question regarding angles the exterior angle theorem. it hase angles 140 8x+4 and 3x+4 but it wants me to
0 answers
asked by
jessica
421 views
Back to July 2012