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2012
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July 19, 2012
About 13% of the acid in a 0.10M solution of a weak acid dissociates to form ions.
What is the H3O+ concentration? What is the
4 answers
asked by
Sara
4,720 views
A student applies a force of magnitude 39.0 N at an angle of 22.6o with the horizontal to push a
4.00-kg textbook 1.00 m across a
4 answers
asked by
Rob
1,002 views
A car's engine is only 12% efficient at converting chemical energy in gasoline into mechanical
energy. If it takes 1.8 x 104 N of
4 answers
asked by
Rob
1,436 views
container factory uses a 450 W motor to operate a conveyor belt that lifts containers from one
floor to another. To lift 250 1-kg
1 answer
asked by
Rob
492 views
How much 0.300 M NaOH is required to completely neutralize 30.0 ml of 0.15 M HClO4
Clue: M1V1=M2V2
4 answers
asked by
Ann
643 views
joan builds a deck where the length is three times the width. if the perimeter is 64 feet what is the length of the deck.
1 answer
asked by
humza
432 views
Given the linear equation 5y = -3x + 19, find
(a) the slope of a line perpendicular to the given line. (b) the slope of a line
2 answers
asked by
chchch
560 views
x + 8 = 0
A) Undefined B) 1 C) -8 D) 0
1 answer
asked by
chchch
326 views
container factory uses a 450 W motor to operate a conveyor belt that lifts containers from one
floor to another. To lift 250 1-kg
3 answers
asked by
Jack Hill
1,980 views
Through (4, 3), m = - 3
A) y = -3x+1/15 B) y = -1/3x + 15 C) y = -3x + 15 D) y = -3x - 15
2 answers
asked by
chchch
601 views
contains (10, -8) with undefined slope
A) x = -8 B) y = -8 C) x = 10 D) y = 10
1 answer
asked by
chchch
433 views
The lengths of two adjacent sides of a square are represented by 5x+11 and 7x-3. What is the perimeter of the square?
3 answers
asked by
Tempie
1,061 views
complete the ordered pairs
x = 2y - 8 ( , 0), (0, ),{ ,1/2} A) (4, 0) , (0, -8),{17/4,1/2} B) (-8, 0), (0, - 4) , {-9,1/2} C) (0,
1 answer
asked by
chchch
394 views
Angle A 45°
Angle B 45° Angle C ?
1 answer
asked by
JAYCE
352 views
which interval notation would go with this equation
-5(4x - 14) ≥ -25x + 35 A) {x|x < -7}; (-∞, -7) B) {x|x ≤ -7}; (-∞,
3 answers
asked by
chchch
386 views
Joe walks 5 miles in the direction degrees North of East, and then 10 miles in the direction 20 degrees West of North.
(a) How
5 answers
asked by
Nycw
490 views
Read the scenario. Use the reference material to assist you in determining what tasks to select for your squad to support the
3 answers
asked by
Anonymous
463 views
How much 0.300 M NaOH is required to completely neutralize 30.0 ml of 0.15 M HClO4
Clue: M1V1=M2V2 I still don't get it to i
2 answers
asked by
Ann
618 views
Please post a substantive response to the following discussion questions by clicking on Reply:
Think about the following
1 answer
asked by
Anonymous
609 views
Hi Everyone!
Please post a substantive response to the following discussion questions by clicking on Reply: Euphemisms: seek to
3 answers
asked by
Anonymous
423 views
Why do we have more safeguards for accused criminals than the victims themselves?
6 answers
asked by
alex
1,750 views
An identification code is to consist of
two letters followed by six digits. How many different codes if repetition is permitted.
2 answers
asked by
angela
502 views
sin è=?
O=8 H=16
1 answer
asked by
ashley
358 views
How many moles of NaOH must be added to 1.00L of this solution to increase the PH to 9.25?
2 answers
asked by
Heather
618 views
so would my answer be 15ml
How much 0.300 M NaOH is required to completely neutralize 30.0 ml of 0.15 M HClO4 Clue: M1V1=M2V2
3 answers
asked by
Ann
1,124 views
The normal boiling point of ethanol is 78.5C. Using the following information:
delta H formation (C2H5OH (g))= -234.38 kJ/mol
2 answers
asked by
Kellie
1,293 views
Hello, this question is purely out of curiosity, please help to enlighten me.
A hot water bag (one of those rubber ones with the
4 answers
asked by
mary
459 views
A comet orbits the Sun with a period of 72.0 yr.
(a) Find the semimajor axis of the orbit of the comet in astronomical units (1
2 answers
asked by
James
712 views
The ratio of soda to diet soda in Bill's Supermarket is 8 to 9. If a person counted 72 bottles of soda, how many bottles of diet
1 answer
asked by
Samantha
433 views
Assume that the average annual salary for a worker in the United States is $32,000 and that the annual salaries for Americans
2 answers
asked by
Rashonda
1,146 views
The state lottery claims that its grand prize is $1 million. The lucky winner will receive $50,000 upon presentation of the
1 answer
asked by
Val
555 views
I had an equilibrium laboratory and had to answer a few questions after the lab. Here are 2 questions I can't seem to know how
2 answers
asked by
Robert
1,101 views
wheels are 1.25 inches in diameter and the fastest speed is 3ft/second maximum distance to travel is 16 x (18cm)
3 answers
asked by
Pat
357 views
Discuss the different developmental eras of American education.
2 answers
asked by
jAZZMANIA26
804 views
Hi, would anyone please help me with this question for economics. It for an assignment due in several days, and it is very
3 answers
asked by
Susan
453 views
an electorn is 20 ccom away from a fixed point charge , q =-0.250uc . if it starst to move from rest , then how fast will it be
1 answer
asked by
mohit
427 views
how much work is done in bringing three electrons , which are intially a great disance apart to how fats will it be moving then
1 answer
asked by
mohit
338 views
Analyse the reasons for their opposition to the new industrial relations laws
The 'new' industrial relations such as Fair Work
1 answer
asked by
Susan
466 views
a survey from teeneage research unlimited found that 30% of teenage consumers receive their spending money from parttime jobs.
5 answers
asked by
Khloe B
1,962 views
what is the acceleration of the sled
3 answers
asked by
el john
393 views
simplify the following giving your answer with a rational denominator,
2 root3 - root 3/ 2 + root three.
1 answer
asked by
lindsay
465 views
At a certain time of the day, a 4-meter-tall vertical pole casts a shadow of 3 meters. What is the angle of elevation, to the
4 answers
asked by
rebecca
905 views
What is optics?
1 answer
asked by
Saiman
336 views
{[(20+5)//10ohms]+5ohms}//10ohms
1 answer
asked by
faith
344 views
(2x-3y)(2y+3x)
3 answers
asked by
faith
325 views
Solve the equation
3^2x - 12 x 3^x + 27 = 0
3 answers
asked by
lindsay
2,067 views
Solve the inequality 2x^2<12-5x
3 answers
asked by
lindsay
360 views
What ia A inverse if A = (3 -2)
(3 2)
1 answer
asked by
lindsay
298 views
A researcher claims that at least 10% of all football helmets have manufacturing flaws that could potentially cause injury to
3 answers
asked by
Josh
1,615 views
3. Measurements on the percentage of enrichment of 12 fuel rods used in a nuclear reactor were reported as follows;
3.11 2.88
3 answers
asked by
Mike
1,033 views
two sides of a rectangle are 20cm and 10cm. They are increased in the ratio 2:3 and 3:7. Find the percentage increased in its
4 answers
asked by
ASDFG
1,840 views
A 490 newton woman stands on a bathroom scale while riding in a elevator that is accelerating downward at 2m/sec/sec. Find her
1 answer
asked by
Jennifer
995 views
Write a 200- to 300-word response to the following: What is long-term care? Provide an example. What is continuum of care
2 answers
asked by
Marty
708 views
How does the expenditure approach calculate GDP?
A. It adds up all the incomes in the economy. B. It adds up the value of four
2 answers
asked by
Wayne
599 views
Determine (8x)of power x if 9 to the power x+2=240+9 to the power x.
1 answer
asked by
ASDFG
410 views
What are the x-intercepts for the graph of the quadratic function f(x)=1/4(x +2)^2-9
1 answer
asked by
jessica hernandez
351 views
A decorative piece consists of a 20cm long uniform brass rod weighing 4N and two ornaments, one weighing 6N and one weighing
2 answers
asked by
Ralph
685 views
chandni purchased some parrots.20%flew away and 5% died.of the remaining 45% were sold.now 33 parrot remain.how many parrot
6 answers
asked by
ASDFG
3,208 views
i am given up by a topic to write discriptive essay topic is "joys of juvenile life" What to write in starting and in the ending
1 answer
asked by
Rose
503 views
please write a paragraph to show you comprehend what analogies and idoms are. use at least one analogy and one idom in the
2 answers
asked by
janice
723 views
Verify the following identity:
1-cosx/sinx=sinx/1+cosx
1 answer
asked by
Lynn
404 views
verify the following identity:
sin(x+y)*sin(x-y)=sin^2x-sin^2y
1 answer
asked by
Lynn
315 views
verify the following identity:
cos(A-B)/cosAsinB=tanA+cotB
1 answer
asked by
Lynn
539 views
verify the following identity:
tanx+cotx/cscx=secx
2 answers
asked by
Lynn
747 views
verify the following identity:
2sinxcos^3x+2sin^3cosx=sin(2x)
2 answers
asked by
Lynn
581 views
A small grocery store sells fresh produce, which it obtains from a local farmer. During the strawberry season, demand for fresh
1 answer
asked by
Clarissa
1,090 views
graph 2y-x=5
1 answer
asked by
Anonymous
279 views
In the US it's presumed that every citizen?
1 answer
asked by
Anonymous
298 views
To critically evaluate the qualifications of an author on a topic, carefully consider all of the following
except the A. number
3 answers
asked by
aaron
1,521 views
What steps can I take to ensure that I remain an ethical and honest student?
1 answer
asked by
Cassie
360 views
30% of 59
1 answer
asked by
Ana
218 views
If an engine produces a (mass flow rate) of
100kg/s of thrust, what is the force in Newtons?
1 answer
asked by
Joe
408 views
1) If the price of a product produced in a competitive market increases, which of the following is most likely to occur in the
5 answers
asked by
Booker Perry
2,128 views
what are some drawbacks to the current buearucratic system?
1 answer
asked by
melynda
355 views
Please confirm: {(5x+2)^4/x^2-3x+1)^3}=
20(5x+2)^2(x^2-3x+1)^3 -3x^2(5x+2)^4 (x^2-3x+1)^2/(x^2-3x+1)^6
1 answer
asked by
Laurie
309 views
Can I first self-publish my book first and then a month later I decide to publish it like normal authors do???
can I do that?
3 answers
asked by
Laruen
457 views
As defined by the British East India Company, a “presidency” was a
A. company leader’s position. C. company base. B.
2 answers
asked by
scooper
594 views
PLEASE HELP ME WITH THESE!!!!!!!!
1) If the price of a product produced in a competitive market increases, which of the following
4 answers
asked by
Booker Perry
1,450 views
Which of the following is NOT a reason for holding congressional investigations?
A) to focus public attention on an important
4 answers
asked by
Stephanie
1,052 views
The thermal conductivity of fiberglass batting, which is 8.9 in thick, is 8.6 10-6 BTU/(ft °F s). What is the R value (in ft2
5 answers
asked by
James
523 views
1. Thomas ____ there but a minute when his girl friend arrived. (be)
2. Some kids ____ to tears with the ordinary textbooks when
6 answers
asked by
rfvv
494 views
How long will it take for an investment of $13,000 to double if the investment earns interest at the rate of 6%/year compounded
2 answers
asked by
twayne
575 views
Do you know her?
-Is she the actress who always plays bizarre characters? -Yes, that's her. Shall I introduce you? -That would be
2 answers
asked by
rfvv
804 views
A car weighing 10,000 newtons is parked in a garage. Which statement is true about the forces acting on the car?
3 answers
asked by
jay_x
654 views
Questions for Exam 1 for Concepts in Biology 12 edition
2 answers
asked by
Stephanie
937 views
Suppose 100 g of water at 20°C is poured over a 70-g cube of ice with a temperature of -8°C. If all the ice melts, what is the
7 answers
asked by
James
822 views
By the start of World War I, America had emerged as a global power. A large part of this power had to do with American expansion
3 answers
asked by
ashley
587 views
The Effect of Temperature on Gas Behavior
Procedure 1. Chose any gas from the list box. Gas, Temperature (K), Most Probable
1 answer
asked by
Alfrieda
554 views
What happens to the particle speed as the temperature is increased?
1 answer
asked by
Alfrieda
296 views
How does the speed frequency distribution graph change for a given gas as the temperature is increased?
1 answer
asked by
Alfrieda
997 views
At a given temperature, why does the most probable particle speed (vp) differ from the average particle speed (vavg)?
3 answers
asked by
Alfrieda
1,118 views
Does the trend of the change in shape of the graph as temperature increases differ when a different gas is examined?
1 answer
asked by
Alfrieda
335 views
Reflect on how your perceptions of physical education have changed based on your understanding of its evolution.
1 answer
asked by
Mary
479 views
Exploration 2: the Effect of Mass on Gas Behavior
Procedure 1. Set the temperature at 500 K. Maintain this temperature throughout
1 answer
asked by
Alfrieda
543 views
At a given temperature, what relationship appears to exist between a gas particle's mass and its speed?
2 answers
asked by
Alfrieda
497 views
At a given temperature, what relationship appears to exist between a gas particle's mass and it speed?
How does graph change as
4 answers
asked by
Alfrieda
634 views
Explain why a balloon expands when heated and contracts when cooled.
1 answer
asked by
Alfrieda
353 views
sin è = 0.1736
O = ? H = 11
4 answers
asked by
Love
3,160 views
Exploration 3: A Moving Source at Different Velocities
Procedure 1. Set Wave speed to 10.0 cm/s and Source frequency to 1.0 Hz.
1 answer
asked by
Alfrieda
773 views
Is there a full biography about Rachel Renee Russell on how she became a writer and her books.
2 answers
asked by
Laruen
528 views
Back to July 2012