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2012
April
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April 17, 2012
At 25 degrees Celsius all of these are true for a neutral solution : pH = 7.00, pOH = 7.00, and [H+] = [OH-] is that correct?
For
5 answers
asked by
Katherine
5,292 views
Calculate the amount of heat released in the complete combustion of 8.17 grams of Al to from Al2O3 at 25 celcius and 1 atm. The
1 answer
asked by
Philip
3,728 views
Two fi gure skaters are moving east together during a
performance. Skater 1 (78 kg) is behind skater 2 (56 kg) when skater 2
2 answers
asked by
shan
3,463 views
humanistic therapy acknowledge unconscious forces and --- as a source of personal difficulties
environment negative thoughts
1 answer
asked by
kevin
3,337 views
11. The freezing point of a substance is ____ the melting point of the same substance. (1 point)greater than
less than equal to
2 answers
asked by
NIKE
2,589 views
Which of the quadratic functions has the narrowest graph? A. y=1/4x^2 B.y=x^2 C. y=-3x^2 DAy=1/12x^2
1 answer
asked by
Bethany
2,433 views
What are the pOH and pH of a 0.0125M solution of potassium KOH
1 answer
asked by
Anonymous
2,357 views
find the rate of discount of a pair of pants that cost $65 and are on sale for $41.99. Explain each step.
5 answers
asked by
neka
2,353 views
A sine wave is traveling to the right on a cord. The lighter line in the figure represents the shape of the cord at time t = 0;
1 answer
asked by
Amy
2,271 views
1. The ability of an apple to change color when exposed to air is a ____.
(1 point)physical property chemical property physical
3 answers
asked by
NIKE
2,142 views
Skater 1 has a mass of 45 kg and is at rest. Skater 2 has a mass of 50 kg and is moving slowly at a constant velocity of
3.2 m/s
1 answer
asked by
shan
2,085 views
Currently there are --- types of cognitive therapy in common practice.
2 4 6 cognitive therapy is rarely used today please help
1 answer
asked by
kevin
1,831 views
Two point charges are separated by 6.4 cm. The attractive force between them is 10 N. Suppose that the charges attracting each
2 answers
asked by
Christy
1,815 views
Question 1 of 20
5.0 Points Critical Reading Identify the letter of the choice that best completes the statement or answers the
5 answers
asked by
Raechel
1,694 views
Sam is 180cm tall. He stands 60 cm in front of a tall plane mirror.How tall is Sam's image
3 answers
asked by
Anonymous
1,635 views
James Joule once attempted to measure the increase in temperature of the water in a waterfall resulting from its decrease in
1 answer
asked by
Alex
1,619 views
I have been trying to do this problem for a couple of days but i cant seem to get the answer. Any help would be greatly
1 answer
asked by
bobby
1,596 views
Balance the equation.
Cu + HNO3 --> Cu(NO3)2 + NO2 + H2O I'm having a little trouble getting this equation to balance. Thank you
1 answer
asked by
Lindsey
1,584 views
A 1.00-L solution saturated at 25°C with calcium oxalate (CaC2O4) contains 0.0061 g of CaC2O4. The solubility constant (Ksp)
1 answer
asked by
Anne
1,533 views
what is the gerund phrase and the noun function of the gerund in the sentence
1.Her favorite pastime is entertaining friends.
11 answers
asked by
john
1,522 views
Changing the current changes the ___ of an electromagnet.
Choices are: A. strength B. direction C. charge D. both a and b
2 answers
asked by
Samantha
1,405 views
Editing grammar.
Review of the sleep questionnaire indicates that the patient had a Trend Oximetry done 2 years ago, and was
4 answers
asked by
Jenny
1,404 views
When driven by a 120 Hz vibrator, a string has transverse waves of 31 cm wavelength traveling along it. (a) What is the speed of
0 answers
asked by
ahmad
1,377 views
Does adding boiled, deionized water to the titrating flask to wash the wall of the erlenmeyer flask and the buret tip increase,
0 answers
asked by
Jen
1,355 views
In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community
12 answers
asked by
Thato
1,332 views
What does a penguin,whale,and a seal have in common?
A.They all breath underwater B.They all eat while on land C.They are all
1 answer
asked by
Aizon
1,323 views
You roll two (6-sided) number cubes, a red one and a white one. Find each probability:
a. P (5,2) b. P (5, odd #) c. P (3,3) d. P
0 answers
asked by
Anonymous
1,317 views
a shipment of 40 television sets contains 3 defective units. How many ways can a vending company can buy five of these units and
3 answers
asked by
desmond
1,314 views
what is the ph of a solution that results from adding 30 mL of .015M KOH to 50 mL of .015 M benzoic acid?
1 answer
asked by
Jess
1,307 views
How would you find the pH of a solution prepared by mixing 50 mL of 0.125 M KOH with o.050 L of 0.125 M HCl?
1 answer
asked by
Anne
1,284 views
I posted this last night but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered.
Ple
0 answers
asked by
Marie
1,280 views
In 1896, the supreme court ruled in Plessy V. Ferguson that-
A. Congress did not have the authority to levy an income tax B.
1 answer
asked by
Seger, Megan R
1,263 views
In the field of health care administration, why is it important that everyone within the facility use medical terminology
0 answers
asked by
Taylor mcBride
1,258 views
Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11 feet by 11 feet by 3 inches for a patio if
3 answers
asked by
LeXi<3
1,223 views
Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them,
0 answers
asked by
Marie
1,214 views
A block of mass m1 = 1.00 kg slides along a frictionless table with a speed of 16.0 m/s. Directly in front of it, and moving in
1 answer
asked by
Andrew
1,185 views
Amit investment $750 at 8.2% per year and $1,300 at 4.9% per year.Both investments earn simple intrest.Whoch investment earns
1 answer
asked by
chris
1,178 views
Question 1 of 20
5.0 Points Critical Reading Identify the letter of the choice that best completes the statement or answers the
8 answers
asked by
Daja
1,164 views
Humans can hear sounds with frequencies up to about 20.0 kHz, but dogs can hear frequencies up to about 40.0 kHz. Dog whistles
0 answers
asked by
AKbar
1,156 views
A voltaic cell made of a Cr electrode in a solution of 1.0 M in Cr
3+ and a gold electrode in a solution that is 1.0 M in Au 3+ .
1 answer
asked by
megan
1,155 views
A boulder in a river has weight of 65N. It displaces a volume of water with a weight of 10N. Which is the net force on this
1 answer
asked by
Carter
1,151 views
Lim tan(x+ pi/4)^1/x x-->0
1 answer
asked by
abebe
1,132 views
the fundamental theorem of calculus,
f(x)=∫(0,x) t^3+2t^2+ 2 dt, and find f"(x). my answer was: f'(x)=x^3+x^2 f"(x)=3x^2+2x it
2 answers
asked by
MILY
1,128 views
Ram invest Rs 100 and Sham invest Rs 200 in Jan. Again Ram invest Rs 400 and sham invest Rs 200 in march. In Dec, there was
1 answer
asked by
satish
1,119 views
In an ad for moisturizing lotion, the following claim is made: "... it's the #1 dermatologist recommended brand
What is
1 answer
asked by
Patti
1,099 views
how can you identify gasses released by plants and animals
0 answers
asked by
sarah
1,099 views
What is the hybridization of TeBr6?
1 answer
asked by
Cindy
1,097 views
Step 1:H2O2 + I^-^ = H2O + OI^-^
step 2: H2O2 + OI^-^ = H2O + O2 + I^-^ What is the equation for the overall reaction? I am not
0 answers
asked by
Hannah
1,091 views
need formula to this. Carbon monoxide reacts with oxygen to produce carbon dioxide. If 3.0 Liters of carbon monoxide at STP, how
1 answer
asked by
bill
1,087 views
Colin is working to earn some money for a CD player.On Saturday he earned half as much as he did on Sunday,but twice as much as
1 answer
asked by
hates math
1,086 views
Which of the following statements about John D. Rockefeller is most accurate?
1 answer
asked by
Anonymous
1,085 views
Proofreading: This paragraph just sounds awkward to me to begin with.
Carina was inspected at that time, which appeared sharp
1 answer
asked by
Jenny
1,082 views
what solid shape matches a funnel?
Also which shape is the same no matter how you look at it, from any angle or direction? Is
0 answers
asked by
joei
1,071 views
Can you show us how to use law of cosines to show that theta equals inverse cosine of (a^2 + b^2 -484)/(2ab) where a^2=(7+xcos
1 answer
asked by
Lisa
1,070 views
suppose m(0) milligrams of a drug are put in the blood of an injection. The amount of drug t hours after the injection is given
0 answers
asked by
Rach
1,065 views
What mass of ammonia is produced when 1.73 L of nitrogen (STP)react completely in the following equation?
N2 + H3 > 2NH3
1 answer
asked by
Randy
1,059 views
A 400 kg solid metal disk (with uniform density) has several forces applied to it, as shown. If the rotation
axis is through the
1 answer
asked by
Anonymous
1,046 views
Find the equation of the tangent line to the graph of √(xy)=x-2y at (4,1)
1 answer
asked by
Alan
1,041 views
Find the solution to the following lhcc recurrence:
an=3nan-1 for n >or equal to with initial conditions a0=4
1 answer
asked by
cjones
1,040 views
Suppose 1400 J of heat energy are put into a sample of liquid water at 23°C, and the final temperature of the water is 78°C.
1 answer
asked by
Sarah
1,031 views
If the volume of a cylindrical block is equal to 800cm^3 prove that the total surface area is equal to 2(pi)x^2 + (1600)/x,
0 answers
asked by
matt
1,028 views
A 160-lb man carries a 25-lb can of paint up a helical staircase that encircles a silo witha radius of 20 ft. If the silo is 90
1 answer
asked by
Bryant
1,028 views
Proofreading..
PROCEDURE: The patient was prepped and draped in the usual sterile fashion. Examination of the vocal chords in a
2 answers
asked by
Jenny
1,021 views
What is the angular speed in rev/min of the Earth as it orbits around the sun?
I'm confused with this problem. I know we have to
1 answer
asked by
Priscilla
1,020 views
Today is my NYS ELA Exam Book 1: Multiple Choice Questions. I know I'm supposed to be at school but the 7th graders take the
2 answers
asked by
Laruen
994 views
GENETICS PRACTICE PROBLEMS
Worth 10 points each problem is either right or wrong 1. In humans, assume that brown eyes (B) are
0 answers
asked by
Vicky
993 views
Sketch the graph of f(x)=(x^2 + 2)/x^2 - 4.
Fund the vertical and horizontal asymptotes, the critical points, the points of
0 answers
asked by
Alan
966 views
A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later.
(a)
0 answers
asked by
Anonymous
966 views
The united states developed the open door policy toward china as a means to:
A. Prevent foreign powers from monopolizing trade
2 answers
asked by
Seger, Megan R
963 views
A toy car (200 g) moves by shooting a plastic ball (50 g)
horizontally out the back. The average acceleration of the car is 1.2
0 answers
asked by
shan
945 views
An 11.4 kg block of metal is suspended from a scale and immersed in water, as in the figure below. The dimensions of the block
1 answer
asked by
PJ
939 views
The major difference in ethnicity, religion, and settlement patterns of California:
A. was founded by Spain, was Catholic, and
5 answers
asked by
Amy
929 views
Sam is 180cm tall. He stands 60 cm in front of a tall plane mirror.How tall is Sam's image
1 answer
asked by
mj
911 views
I'm slightly confused about this question:
Suppose that you memorize a list of 100 German vocabulary words. Each week you forget
1 answer
asked by
Squid
905 views
Water is circulating through a closed system of pipes in a two- floor apartment. On the first floor, the water has a gauge
1 answer
asked by
Fluids, Pressure, Bernoulli’s Equation
900 views
Can you please check these sentences on Jonathan Swift's life? Thank you, Writeacher.
1) Swift was born in Ireland of English
0 answers
asked by
Matthew
882 views
ADJECTIVES AND ARTICES
DIRECTIONS COMPLETE EACH SENTENCE BY ADDING AN ADJECTIVE. WRITE THE NEW SENTENCE. 1- Everyone wore________
1 answer
asked by
dw
878 views
Kirk has 25 marbles and 14 seashells. What information is needed to find the number of marbles that are NOT cat's eyes?
0 answers
asked by
Jackie
867 views
I left out the following statements. Thank you very much.
1) All of his works are characterized by his polemical genius,
0 answers
asked by
Matthew
866 views
Consider the voltaic cell illustrated in the figure, which is based on the cell reaction:
Zn(s)+Cu^2+(aq) -> Zn^2+(aq)+Cu(s)
0 answers
asked by
Steven
862 views
My mom went to the grocery store.she forgot her purse
2 answers
asked by
justin
858 views
how would you round 22.263 to the hundreds
1 answer
asked by
shion
854 views
suppose m(0) milligrams of a drug are put in the blood of an injection. The amount of drug t hours after the injection is given
1 answer
asked by
Jake
853 views
I am in 10th grade and can you please help me by defining what is bio-catalysts?
8 answers
asked by
sandra
851 views
I urgently need you to check these sentences on the present perfect. Thank you.
1) I've just come back from the studio where we
1 answer
asked by
Matthew
847 views
At a track meet, competitors could win gold, silver or bronze medals. Kennedy High Schools track team won a total of 18 medals.
1 answer
asked by
Kate
840 views
how many rectangles can have the perimiter of 46m
2 answers
asked by
tony
834 views
I posted this earlier but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered.
Please
0 answers
asked by
Marie
808 views
At a factory, a noon whistle is sounding with a frequency of 480 Hz. As a car traveling at 85 km/h approaches the factory, the
2 answers
asked by
Armany
807 views
6. When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____. (1 point)soluble
a
2 answers
asked by
NIKE
785 views
A 100 kg box slides with constant velocity down a ramp inclined at 20 degrees, with the horizontal. Find the frictional force
1 answer
asked by
Tsuki
782 views
What is the approximate energy required to raise the temperature of 5 L of air by 230 °C? The volume is held constant. (Assume
0 answers
asked by
saira
779 views
When you increase the number of turns in a coil to induce more voltage, you do which of the following?. A) only get more voltage
0 answers
asked by
Phillip
776 views
Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function.
If f(x)= ∫(4,x^3)√(t^2+10) dt then
0 answers
asked by
dania
775 views
3. Prove by induction that∑_(r=1)^n▒〖r(r+4)=1/6 n(n+1)(2n+13)〗.
5. It is given that u_1=1 and u_(n+1)=3u_n+2n-2 where n
0 answers
asked by
Iman
771 views
suppose m(0) milligrams of a drug are put in the blood of an injection. The amount of drug t hours after the injection is given
0 answers
asked by
Rach
768 views
What volume of carbon monoxide gas (at STP) is needed when 1.35 Moles of oxygen gas react completely in the following equation.
1 answer
asked by
Randy
761 views
Find the vertex and axis of symmetry of y = -2x^2 + 4x + 1. Show all of your work and justify your reasoning.
Note: The ^ symbol
1 answer
asked by
cheyanne marie
756 views
If the government gave each recicient family a $7,000 check instead of enrolling them in the Medicaid program, do you think that
2 answers
asked by
Onri
752 views
A student calibrates his/her calorimeter. S/he performs part 1 as instructed. The data are: 99.2 g water at 36.0°C are added to
0 answers
asked by
Sarah
745 views
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