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Questions Asked on 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
1. 5 answers
2. asked by Katherine
3. 5,280 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. 1 answer
2. asked by Philip
3. 3,720 views
Two fi gure skaters are moving east together during aperformance. Skater 1 (78 kg) is behind skater 2 (56 kg) when skater 2
1. 2 answers
2. asked by shan
3. 3,440 views
humanistic therapy acknowledge unconscious forces and --- as a source of personal difficultiesenvironment negative thoughts
1. 1 answer
2. asked by kevin
3. 3,330 views
11. The freezing point of a substance is ____ the melting point of the same substance. (1 point)greater thanless than equal to
1. 2 answers
2. asked by NIKE
3. 2,581 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. 1 answer
2. asked by Bethany
3. 2,426 views
What are the pOH and pH of a 0.0125M solution of potassium KOH
1. 1 answer
2. asked by Anonymous
3. 2,351 views
find the rate of discount of a pair of pants that cost $65 and are on sale for $41.99. Explain each step.
1. 5 answers
2. asked by neka
3. 2,345 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. 1 answer
2. asked by Amy
3. 2,267 views
1. The ability of an apple to change color when exposed to air is a ____.(1 point)physical property chemical property physical
1. 3 answers
2. asked by NIKE
3. 2,132 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 of3.2 m/s
1. 1 answer
2. asked by shan
3. 2,075 views
Currently there are --- types of cognitive therapy in common practice.2 4 6 cognitive therapy is rarely used today please help
1. 1 answer
2. asked by kevin
3. 1,826 views
Two point charges are separated by 6.4 cm. The attractive force between them is 10 N. Suppose that the charges attracting each
1. 2 answers
2. asked by Christy
3. 1,802 views
Question 1 of 205.0 Points Critical Reading Identify the letter of the choice that best completes the statement or answers the
1. 5 answers
2. asked by Raechel
3. 1,682 views
Sam is 180cm tall. He stands 60 cm in front of a tall plane mirror.How tall is Sam's image
1. 3 answers
2. asked by Anonymous
3. 1,625 views
James Joule once attempted to measure the increase in temperature of the water in a waterfall resulting from its decrease in
1. 1 answer
2. asked by Alex
3. 1,609 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. 1 answer
2. asked by bobby
3. 1,587 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. 1 answer
2. asked by Lindsey
3. 1,574 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. 1 answer
2. asked by Anne
3. 1,517 views
what is the gerund phrase and the noun function of the gerund in the sentence1.Her favorite pastime is entertaining friends.
1. 11 answers
2. asked by john
3. 1,507 views
Changing the current changes the ___ of an electromagnet.Choices are: A. strength B. direction C. charge D. both a and b
1. 2 answers
2. asked by Samantha
3. 1,395 views
Editing grammar.Review of the sleep questionnaire indicates that the patient had a Trend Oximetry done 2 years ago, and was
1. 4 answers
2. asked by Jenny
3. 1,393 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
1. 0 answers
2. asked by ahmad
3. 1,367 views
Does adding boiled, deionized water to the titrating flask to wash the wall of the erlenmeyer flask and the buret tip increase,
1. 0 answers
2. asked by Jen
3. 1,346 views
In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community
1. 12 answers
2. asked by Thato
3. 1,314 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. 1 answer
2. asked by Aizon
3. 1,313 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
1. 0 answers
2. asked by Anonymous
3. 1,313 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
1. 3 answers
2. asked by desmond
3. 1,301 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. 1 answer
2. asked by Jess
3. 1,298 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. 1 answer
2. asked by Anne
3. 1,276 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
1. 0 answers
2. asked by Marie
3. 1,264 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. 1 answer
2. asked by Seger, Megan R
3. 1,255 views
In the field of health care administration, why is it important that everyone within the facility use medical terminology
1. 0 answers
2. asked by Taylor mcBride
3. 1,246 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
1. 3 answers
2. asked by LeXi<3
3. 1,210 views
Two parallel wires conduct equal currents in the same direction. (a) At a point in the plane of the wires midway between them,
1. 0 answers
2. asked by Marie
3. 1,200 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. 1 answer
2. asked by Andrew
3. 1,178 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. 1 answer
2. asked by chris
3. 1,173 views
Question 1 of 205.0 Points Critical Reading Identify the letter of the choice that best completes the statement or answers the
1. 8 answers
2. asked by Daja
3. 1,149 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. 1 answer
2. asked by Carter
3. 1,147 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
1. 0 answers
2. asked by AKbar
3. 1,145 views
A voltaic cell made of a Cr electrode in a solution of 1.0 M in Cr3+ and a gold electrode in a solution that is 1.0 M in Au 3+ .
1. 1 answer
2. asked by megan
3. 1,141 views
Lim tan(x+ pi/4)^1/x x-->0
1. 1 answer
2. asked by abebe
3. 1,125 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
1. 2 answers
2. asked by MILY
3. 1,118 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. 1 answer
2. asked by satish
3. 1,105 views
In an ad for moisturizing lotion, the following claim is made: "... it's the #1 dermatologist recommended brandWhat is
1. 1 answer
2. asked by Patti
3. 1,093 views
how can you identify gasses released by plants and animals
1. 0 answers
2. asked by sarah
3. 1,092 views
What is the hybridization of TeBr6?
1. 1 answer
2. asked by Cindy
3. 1,089 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
1. 0 answers
2. asked by Hannah
3. 1,083 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. 1 answer
2. asked by bill
3. 1,079 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. 1 answer
2. asked by hates math
3. 1,076 views
Which of the following statements about John D. Rockefeller is most accurate?
1. 1 answer
2. asked by Anonymous
3. 1,076 views
Proofreading: This paragraph just sounds awkward to me to begin with.Carina was inspected at that time, which appeared sharp
1. 1 answer
2. asked by Jenny
3. 1,074 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. 1 answer
2. asked by Lisa
3. 1,064 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
1. 0 answers
2. asked by joei
3. 1,059 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. 0 answers
2. asked by Rach
3. 1,056 views
What mass of ammonia is produced when 1.73 L of nitrogen (STP)react completely in the following equation?N2 + H3 > 2NH3
1. 1 answer
2. asked by Randy
3. 1,047 views
A 400 kg solid metal disk (with uniform density) has several forces applied to it, as shown. If the rotationaxis is through the
1. 1 answer
2. asked by Anonymous
3. 1,038 views
Find the solution to the following lhcc recurrence:an=3nan-1 for n >or equal to with initial conditions a0=4
1. 1 answer
2. asked by cjones
3. 1,030 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. 1 answer
2. asked by Sarah
3. 1,023 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,
1. 0 answers
2. asked by matt
3. 1,021 views
Find the equation of the tangent line to the graph of √(xy)=x-2y at (4,1)
1. 1 answer
2. asked by Alan
3. 1,020 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. 1 answer
2. asked by Bryant
3. 1,014 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. 1 answer
2. asked by Priscilla
3. 1,012 views
Proofreading..PROCEDURE: The patient was prepped and draped in the usual sterile fashion. Examination of the vocal chords in a
1. 2 answers
2. asked by Jenny
3. 1,009 views
GENETICS PRACTICE PROBLEMSWorth 10 points each problem is either right or wrong 1. In humans, assume that brown eyes (B) are
1. 0 answers
2. asked by Vicky
3. 984 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
1. 2 answers
2. asked by Laruen
3. 977 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)
1. 0 answers
2. asked by Anonymous
3. 957 views
The united states developed the open door policy toward china as a means to:A. Prevent foreign powers from monopolizing trade
1. 2 answers
2. asked by Seger, Megan R
3. 952 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
1. 0 answers
2. asked by Alan
3. 949 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
1. 0 answers
2. asked by shan
3. 937 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. 1 answer
2. asked by PJ
3. 928 views
The major difference in ethnicity, religion, and settlement patterns of California:A. was founded by Spain, was Catholic, and
1. 5 answers
2. asked by Amy
3. 919 views
Sam is 180cm tall. He stands 60 cm in front of a tall plane mirror.How tall is Sam's image
1. 1 answer
2. asked by mj
3. 898 views
I'm slightly confused about this question:Suppose that you memorize a list of 100 German vocabulary words. Each week you forget
1. 1 answer
2. asked by Squid
3. 897 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. 1 answer
2. asked by Fluids, Pressure, Bernoulliâ€™s Equation
3. 894 views
Can you please check these sentences on Jonathan Swift's life? Thank you, Writeacher.1) Swift was born in Ireland of English
1. 0 answers
2. asked by Matthew
3. 875 views
ADJECTIVES AND ARTICESDIRECTIONS COMPLETE EACH SENTENCE BY ADDING AN ADJECTIVE. WRITE THE NEW SENTENCE. 1- Everyone wore________
1. 1 answer
2. asked by dw
3. 867 views
Kirk has 25 marbles and 14 seashells. What information is needed to find the number of marbles that are NOT cat's eyes?
1. 0 answers
2. asked by Jackie
3. 859 views
I left out the following statements. Thank you very much.1) All of his works are characterized by his polemical genius,
1. 0 answers
2. asked by Matthew
3. 856 views
My mom went to the grocery store.she forgot her purse
1. 2 answers
2. asked by justin
3. 852 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)
1. 0 answers
2. asked by Steven
3. 852 views
how would you round 22.263 to the hundreds
1. 1 answer
2. asked by shion
3. 849 views
I am in 10th grade and can you please help me by defining what is bio-catalysts?
1. 8 answers
2. asked by sandra
3. 845 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. 1 answer
2. asked by Jake
3. 842 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. 1 answer
2. asked by Matthew
3. 834 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. 1 answer
2. asked by Kate
3. 828 views
how many rectangles can have the perimiter of 46m
1. 2 answers
2. asked by tony
3. 827 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
1. 2 answers
2. asked by Armany
3. 802 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
1. 0 answers
2. asked by Marie
3. 790 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
1. 0 answers
2. asked by saira
3. 773 views
A 100 kg box slides with constant velocity down a ramp inclined at 20 degrees, with the horizontal. Find the frictional force
1. 1 answer
2. asked by Tsuki
3. 773 views
6. When aqueous solutions of table salt and silver nitrate are mixed, a white solid forms. This solid is ____. (1 point)solublea
1. 2 answers
2. asked by NIKE
3. 772 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
1. 0 answers
2. asked by Phillip
3. 769 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
1. 0 answers
2. asked by dania
3. 762 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
1. 0 answers
2. asked by Iman
3. 759 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. 0 answers
2. asked by Rach
3. 759 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. 1 answer
2. asked by cheyanne marie
3. 751 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. 1 answer
2. asked by Randy
3. 748 views
If the government gave each recicient family a $7,000 check instead of enrolling them in the Medicaid program, do you think that
1. 2 answers
2. asked by Onri
3. 743 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
1. 0 answers
2. asked by Sarah
3. 732 views

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