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2012
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Questions Asked on October 6, 2012

Calculate the pH and the pOH of an aqueous solution that is 0.025 M in HCl(aq) and 0.075 M in HBr(aq) at 25°C.
1. 3 answers
2. asked by Alex
3. 7,386 views
calculate the standard molar entropy change for the combustion of methane gas using S naught values from standard thermodynamic
1. 4 answers
2. asked by Bru
3. 5,397 views
at high temperatures, ammonia decomposes to N2 and H2.2 NH3(g)--> N2 (g) + 3H2(g) Delta H for the reaction is positive and delta
1. 3 answers
2. asked by Brunette
3. 4,711 views
* If 13.3 kilograms of Al2O3(s), 58.4 kilograms of NaOH(l), and 58.4 kilograms of HF(g) react completely, how many kilograms of
1. 5 answers
2. asked by Rachel
3. 4,094 views
relaxation is a state of(a)low arousal (b)high arousal (c)increased blood pressure (d)rapid thought processes my answer is a to
1. 1 answer
2. asked by susue
3. 3,896 views
Identify the solute with the highest van't Hoff factor: Non-electrolyte, NaCl, MgCl2, FeCl3, MgSO4
1. 3 answers
2. asked by luz
3. 3,641 views
find the x coordinate of each point at which the line tangent to the graph of f(x)=x^4-3x^2 is parallel to the line y= -2x+4
1. 1 answer
2. asked by Anonymous
3. 2,448 views
A 4 kg block slides down a rough inclined plane inclined at 30° with the horizontal. Determine the coefficient of kinetic
1. 2 answers
2. asked by La La
3. 1,995 views
C4 H10 O or diethyl ether or with a formula of CH3CH2OCH2CH3 its stick structure isH H H H ! ! ! ! .. H-C-C-C-C- O-H ! ! ! ! ..
1. 1 answer
2. asked by chemdummy
3. 1,905 views
The imaginary compound calcium nortonate, CaNtO4, is 54.698% nortonium, Nt, by weight. Calculate the percent, by weight, of
1. 2 answers
2. asked by 098123
3. 1,882 views
A 5.000 g sample of a mixture which contains MgCO3 and sand (SiO2) was heated for 2.30 hours until no further reaction occurred.
1. 2 answers
2. asked by anonymousplm
3. 1,833 views
How is the standard error of the mean influenced by sample size and standard deviation?
1. 2 answers
2. asked by Nina
3. 1,818 views
Uhmmm.. I am totally lost! Help?There are 7.0 x 10^6 red blood cells in 1.0 mm^3 of blood. How many red blood cells are in 1 L
1. 1 answer
2. asked by Kayla
3. 1,762 views
Sanjeev is twice as old as his son.If after four years he will be four times as old as his son was 9 years ago ,how old is each
1. 2 answers
2. asked by TUHITUHI
3. 1,672 views
How would the calculated molarity of KMNo4 be affected when KMno4 is added to rapidly and too much KMnO4 is added, overshooting
1. 2 answers
2. asked by Karamu
3. 1,597 views
A circular hole in an aluminum plate is 2.725 cm in diameter at 0.000 degrees celsius. What is its diameter when the temperature
1. 2 answers
2. asked by Michelle
3. 1,566 views
A sample being given as a laboratory unknown is a mixture of calcium carbonate and magnesium carbonate. Both substances
1. 2 answers
2. asked by anonymousokm
3. 1,546 views
Which of the following statements about President Andrew Johnson is true?A. He was raised under conditions of extreme poverty B.
1. 1 answer
2. asked by arthur
3. 1,517 views
If a particle moves with velocity V PA = (2.0 m/s) + (4.0 m/s) relative to frame A, what is the velocity V AP of the frame
1. 1 answer
2. asked by Sharon
3. 1,494 views
What is the plural form of staff? Not sure if it should be staff or staffs.Thank you for helping. Britt
1. 1 answer
2. asked by Britt
3. 1,493 views
The following reation has the following standard thermodynamic parameters: delta H= -33.6 kJ/mol delta S= -59.8 J/(mol*K). C(g)
1. 1 answer
2. asked by Brunette
3. 1,442 views
. Identify each expression as a numerical expression or a variableexpression. For a variable expression, name the variable. d +
1. 1 answer
2. asked by Von
3. 1,439 views
CALCULATE DELTA G FOR REACTIONCu2(aq)+2Ag(s) gives Cu(s)+2Ag(aq) Given, E0 Ag+/Ag=0.80 v and E0 Cu2+/Cu=0.34 V
1. 1 answer
2. asked by RAJI
3. 1,436 views
7. In the development of the Roman Empire, the Romans treated citizenship asA. a benefit worthy only of peoples who had freely
1. 5 answers
2. asked by jake
3. 1,413 views
Think of a funny cartoon that you like. Choose a character or two from that cartoon and write 3-5 sentences telling what those
1. 1 answer
2. asked by BreAnne
3. 1,351 views
solve the following logarithmic equation. Be sure to reject any value of x that is not in thedomain of the orginal logarithmic
1. 1 answer
2. asked by ladybug
3. 1,314 views
HI,MY dughter is studying 3rd grade.how to prepare Tsat test in math,english.can u tell me .can u send me links.Tennese
1. 0 answers
2. asked by Lakshmi
3. 1,294 views
A forceF = (5i − 4j) N acts on a particle that undergoes a displacement Δr = (5i+j)m . (a) Find the work done by the force on
1. 0 answers
2. asked by Abraham
3. 1,263 views
if RS= 2x+2 and ST= 3x-2 and RT= 24, find the value of x. then find RS and ST
1. 2 answers
2. asked by haddash
3. 1,252 views
A ball is thrown 83.3 m upward and then fallsback to earth.Neglecting air resistance, how long will it be in the air? The
1. 1 answer
2. asked by Joy
3. 1,236 views
A 55.0kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is .300. What
1. 1 answer
2. asked by Jaybird
3. 1,195 views
Today we learned how to solve systems of equations with 3 variables, however my teacher didn't go over how to do a problem where
1. 1 answer
2. asked by john
3. 1,185 views
The mass of a roller-coaster car, including its passengers, is 481 kg. Its speed at the bottom of the track in the figure below
1. 1 answer
2. asked by Anonymous
3. 1,174 views
Compare and contrast the theories of Daniel Levinson , Irene Frieze, and Esther Sales concerning adult development.
1. 6 answers
2. asked by Kristina
3. 1,155 views
3. What geographic feature at times made life difficult for the Moche of South America?A. Mountains [B. Desert] C. Lack of
1. 2 answers
2. asked by jake
3. 1,150 views
11. Which of the following is not one of the new thoughts of or about God that were formulated in the Axial Age?A. Many Gods B.
1. 1 answer
2. asked by jake
3. 1,123 views
I don't know what he wants me to do with this. This is for extra credit and for good reason. It is way ahead of where we are in
1. 1 answer
2. asked by What?
3. 1,119 views
the function f(x)=4/x-7 is one to onea. find the inverse of f b. graph f, f^-1, and y=x on the same set of axes find the inverse
1. 1 answer
2. asked by ladybug
3. 1,094 views
You have made a bet with a friend. You tell them that you can eat one mole of M&Ms in a year, if you eat one M&M every second
1. 1 answer
2. asked by asdfghjkl
3. 1,092 views
A boater wants to head straight across a river that has a current of 3km/hr. If the top speed of the boat in still water is
1. 1 answer
2. asked by Megan
3. 1,081 views
On a winter day the temperature at 6 a.m. was -9° F. At 2 p.m. it was 25° F. By how many degrees did the temperature change
1. 2 answers
2. asked by julissa
3. 1,073 views
how to solve a quadratic equation in one variable ? plsss
1. 1 answer
2. asked by nina
3. 1,017 views
A car starts from rest on a curve with a radius of 110m and accelerates at 1.2m/s^2. Through what angle will the car have
1. 0 answers
2. asked by senko
3. 1,008 views
To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object.
1. 1 answer
2. asked by lindsay
3. 1,003 views
Explain why the temperature of water might increase when a solution forms.
1. 0 answers
2. asked by Morgan
3. 981 views
A sled loaded with bricks has a total mass of 18.0 kg and is pulled at constant speed by a rope inclined at 40.0o above the
1. 2 answers
2. asked by Megan
3. 978 views
I left out part of my question. This may make better sense. But I'm not sure of what he can be asking me to do with it.75g of
1. 2 answers
2. asked by What?
3. 950 views
A turbine is spinning at 3600 rpm. Friction in the bearings is so low that it takes 15 min to coast to a stop. How many
1. 0 answers
2. asked by senko
3. 924 views
what is the slantheight of the largest square pyramid that can be curved out from a wooden cube of side 12cm?find the lateral
1. 1 answer
2. asked by asha
3. 918 views
A ball of mass 620 g hangs from a spring whose stiffness is 195 newtons per meter. A string is attached to the ball and you are
1. 0 answers
2. asked by Anabel
3. 913 views
If the Kb of a weak base is 2.6 × 10-6, what is the pH of a 0.24 M solution of this base?
1. 1 answer
2. asked by Alex
3. 899 views
2. According to the Pardoner, what is the best way to collect money from people? (1 point)appealing to their sense of piety
1. 1 answer
2. asked by elizabeth
3. 895 views
solve the logarithmic equation. be sure to reject any value of x that is not in the domain of the orginal logarithmic
1. 2 answers
2. asked by ladybug
3. 887 views
I have a hard time getting this someone help me?Astronauts often use the unit light year to express intergalactic distances. If
1. 2 answers
2. asked by Kyle
3. 838 views
solve the exponential equation. express the solution in terms of natural logarithims. Then, use a calculator to obtain a decimal
1. 1 answer
2. asked by ladybug
3. 838 views
The first ionization energy of a hydrogen atom is 2.18 aJ. Assuming the ionization efficiency is 82%, how many such photons are
1. 1 answer
2. asked by gine
3. 820 views
A spring has a length of 60cm when it unstretched. A load of 10N increases its length to 64 cm and a load of 20N increases its
1. 2 answers
2. asked by Maria
3. 813 views
HI,MY dughter is studying 3rd grade.how to prepare Tsat test in math,english.can u tell me any links
1. 4 answers
2. asked by Lakshmi
3. 810 views
2. A person would like to jump over a river using a motorcycle and a ramp. The frictionless ramp is inclined at an angle of 42.5
1. 1 answer
2. asked by Jasmin
3. 810 views
A horse canters away from its trainer in a straight line, moving 130 m away in 13.0 s. It then turns abruptly and gallops
1. 1 answer
2. asked by royaa
3. 802 views
1. Which of the following were major items of trade in the West African states of Ghana and Gao?A. Bananas and copper B. Cacao
1. 1 answer
2. asked by jake
3. 778 views
A sample of metal has a mass of 1.75 kg and a specific heat of 0.115 cal/g oC. What is the temperature change of the metal after
1. 1 answer
2. asked by Karamu
3. 768 views
solve the following logarithmic equation. be sure to reject any value of x that is not in the domain of the original logarithmic
1. 1 answer
2. asked by ladybug
3. 750 views
Explain five personal characteristics or life situations that promote good fitness, health, and wellness. Include in your answer
1. 3 answers
2. asked by Hollaaa
3. 748 views
the age of somya and yaseen are in the ratio 5:7.if somya were 9 years older and yaseen is 9 years younger one,find thier
1. 3 answers
2. asked by TUHITUHI
3. 737 views
In a head-on collision, a car stops in 0.14{\rm s} from a speed of 24{\rm m}/{\rm s} . The driver has a mass of 67{\rm kg} , and
1. 2 answers
2. asked by Amanda
3. 728 views
How would the calculation percent of oxalate of the unknown affected when weighting out the unknown solid the actual mass is
1. 2 answers
2. asked by Karamu
3. 721 views
How do the functions of the two groups of peripheral nerves differ?
1. 2 answers
2. asked by randomchik
3. 711 views
Did I choose the correct answer #3In the mid- to late 1880s, the United States experienced a surge in immigrants from <China and
1. 1 answer
2. asked by Sharon
3. 686 views
A store mixes Brazilian coffee worth $10 per kilogram and Turkish coffee worth $12 per kilogram. The mixture is to sell for $11
1. 2 answers
2. asked by Curt
3. 675 views
use : .# x 6 = minutesI did try to do it but came up with numbers like 5.732360456. Plz help P.S. Trying to help my son but
1. 8 answers
2. asked by Anonymous
3. 657 views
The boiling point of an aqueous 1.83 m salt solution is 102.5°C. Determine the value of the van't Hoff factor for this solute
1. 1 answer
2. asked by gigi
3. 654 views
An open box is made from a rectangular piece of cardboard, with dimensions of 24 cm by 30 cm, by cutting congruent squares from
1. 0 answers
2. asked by Melissa
3. 652 views
Two packing crates of masses 7.57 kg and 4.51 kg are connected by a light string that passes over a frictionless pulley as in
1. 2 answers
2. asked by Anonymous
3. 641 views
I'm a 7 Letter Words,You Read me daily, My 5, 6, 7th Letter increases every Year. 3rd and 4th Letter are the Same. My 3rd, 2nd
1. 6 answers
2. asked by Tesa
3. 638 views
solve the equation5^5x+1=125
1. 2 answers
2. asked by ladybug
3. 629 views
solve the equation1. In x + In (x+12) =2 x= ? or either there is no solution 2. solve the exponential equation 9^x=6 What is the
1. 0 answers
2. asked by ladybug
3. 623 views
A detective gathers cell evidence at a crime scene. The victim is a 37 year old man, killed by a blow to the head. Closer
1. 2 answers
2. asked by Mary Beth
3. 621 views
While standing on 3rd street you hear an approaching ambulance. Its siren oscillates in frequency between about 650 Hz and 750
1. 0 answers
2. asked by Anonymous
3. 612 views
5. What religion, which had potentially universal appeal, was created by Gautama Siddhartha in India?[A. Buddhism] B. Hinduism
1. 1 answer
2. asked by jake
3. 609 views
12.05 A study of the students taking distance learning courses at a university finds that they are mostly older students not
1. 0 answers
2. asked by Regina
3. 605 views
1. Creates energy in the form of ATP2. The gel-like liquid that fills the cell 3. Sorts, packages, and sends out proteins 4.
1. 1 answer
2. asked by Aradia Megido
3. 603 views
Major Tire Company's plant in Charleston, South Carolina was destroyed when Hurricane Hazel hit the coast. The company
1. 1 answer
2. asked by vonnie
3. 594 views
6. After its conquest by Alexander the Great, the government of the Persian EmpireA. was transformed into a democratic monarchy.
1. 1 answer
2. asked by jake
3. 590 views
Sanjeev is twice as old as his son.If after four years he will be four times as old as his son was 9 years ago ,how old is each
1. 1 answer
2. asked by TUHITUHI
3. 579 views
1. what does cuale son los dias de la escupla mean ?2. what does cual es tu dias favorito de la semana mean ?
1. 7 answers
2. asked by gary
3. 576 views
forty member of a parent organazation are making candles to raise money. one member drops out and the rest have to make 3 more
1. 5 answers
2. asked by mili
3. 567 views
You can explore, with a minimal time commitment, an interest, hone a skill, or participate in an activity.If you rewrote
1. 1 answer
2. asked by jacob
3. 565 views
There are 4 rectangular corrals of identical dimensions along the back wall of an existing barn using 200 ft of fencing.The
1. 1 answer
2. asked by Cole
3. 560 views
HI,MY dughter is studying 3rd grade.how to prepare Tsat test in math,english.can u tell me .can u send me links.Tennese state
1. 1 answer
2. asked by Lakshmi
3. 555 views
ms. sue yesterday i write story abt independence in third person well i have to write another one in first person and i want to
1. 9 answers
2. asked by Mohammad
3. 554 views
While standing on 3rd street you hear an approaching ambulance. Its siren oscillates in frequency between about 650 Hz and 750
1. 0 answers
2. asked by Anonymous
3. 547 views
Treasure claims that her 6-month-old baby, Precious, can add and subtract small numbers of objects. Recent research on infants'
1. 1 answer
2. asked by clara
3. 536 views
The mass of a single uranium atom is 4.70E-22 grams. How many uranium atoms would there be in 167 milligrams of uranium?
1. 1 answer
2. asked by Miranda
3. 536 views
there are two wooden square prisms with base edge 8cm and height 12cm.from one of this prism ajesh curved outthe largest square
1. 0 answers
2. asked by asha
3. 534 views
Results of Renee Baillargeon's sliding carrot research may suggest that object permanence:A. may not be present until much later
1. 1 answer
2. asked by clara
3. 533 views
Combined area of 1680ft^2 for 4 identical rectangular corrals.Corrals are joined together and no fencing at the back wall of the
1. 1 answer
2. asked by Cole
3. 526 views
I have a diagram that has 4 rectangular corrals joined together and a barn above it. Fencing is not needed along the back wall
1. 0 answers
2. asked by Cole
3. 526 views
progessive mmuscle relaxation is a technique used for(a)falling asleep (B)becoming aware of tension in muscles (C)prepping
1. 1 answer
2. asked by susue
3. 511 views
2. In forming his government, Asoka recruited what group to serve as bureaucrats?A. Traditional Brahman elites [B. The Buddhist
1. 1 answer
2. asked by jake
3. 508 views

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