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Questions Asked on April 18, 2008

A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is
1. 2 answers
2. asked by ron
3. 3,790 views
The pH of a Ba(OH)2 solution is 10.66. What is the hydroxide concentration? If the solution volume is 125ml, how many grams of
1. 1 answer
2. asked by ralph
3. 3,759 views
A gaseous mixture at a total pressure of 1.50 atm contains equal molar amounts of He, Ne, and Ar. At constant temperature CO2
1. 4 answers
2. asked by Sam
3. 3,138 views
FIND THE PROBABILITY OF DRAWING AT LEAST ONE CLUB WHEN YOU DRAW CARDS FROM A STANDAD 52-CARD DECK 52 TIMES; ASSUME YOU REPLACE
1. 2 answers
2. asked by SNOOPY
3. 3,038 views
What grade/year are you in?I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade.
1. 3 answers
2. asked by John
3. 2,149 views
What mass in grams of sodium hydroxide is produced if 20.0 g of sodium metal reacts with excess water according to the chemical
1. 2 answers
2. asked by Chris
3. 2,112 views
A: How many boys and girls are there in the park?B: There are five boys and girls in the park. --------------------- What is the
1. 1 answer
2. asked by John
3. 1,819 views
In "A Pair of Silk Stockings," the silk stockings are a symbol ofA. Mrs. Sommers's inability to handle money. B. Mrs. Sommers's
1. 27 answers
2. asked by Frances
3. 1,788 views
I need help I don't understand this i read the chapter 5 times1. During what part of "Bernice Bobs Her Hair" does Bernice cut
1. 27 answers
2. asked by Frances
3. 1,627 views
A jogger's internal energy changes because he performs 6.80 105 J of work and gives off 4.9 105 J of heat. However, to cause the
1. 1 answer
2. asked by Johnson
3. 1,615 views
Dr. bob could you please check this work cus i can't seem to get it rightthe first step of the synthesis is described by the
1. 8 answers
2. asked by Amy
3. 1,574 views
Hello, I'm working these homework questions out; however it is a series of questions and without one step correctly completed,
1. 3 answers
2. asked by Sigurd
3. 1,524 views
If an atom has 104 electrons, 157 neutrons, and 104 protons, what is the atomic number of the nucleus?have no idea
1. 1 answer
2. asked by Bev
3. 1,493 views
Nitric acid, a very important industrial chemical, is made by dissolving the gas nitrogen dioxide (NO2) in water. Calculate the
1. 2 answers
2. asked by SAARA
3. 1,480 views
A thin rod of length L and mass M rotates about a vertical axis through its center with angular velocity w. The rod makes an
1. 1 answer
2. asked by Nik
3. 1,407 views
Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M)a) Calculate the ion product of
1. 2 answers
2. asked by Randy
3. 1,342 views
Which type of radiation ; alpha, beta, and gamma produces the least change in mass number? In atomic number?
1. 1 answer
2. asked by Shelly
3. 1,340 views
If a vibrating system has total energy Eo , what will its total energy be (in terms of Eo) if you double the amplitude of
1. 1 answer
2. asked by Erin
3. 1,293 views
I am need help with these questions I keep getting the answer wrong can you help me by explaining whyThe way Cowley uses the
1. 3 answers
2. asked by janet
3. 1,232 views
I just got these two wrong on the testThe repeated use of the "o" sound in "A host, of golden daffodils" is called A.
1. 1 answer
2. asked by janet
3. 1,211 views
Two protons in an atomic nucleus repel each other, but they are also attracted to each other. Explain.
1. 1 answer
2. asked by Shelly
3. 1,206 views
Please check my answer thanksAn organism that can exist only in the presence of oxygen ? A. anaerobic B. oxygenopyhile C.
1. 2 answers
2. asked by Helana
3. 1,182 views
X-rays are most similar to which of the following--alpha, beta, or gamma?I think gamma?
1. 2 answers
2. asked by Shelly
3. 1,171 views
1)Put the types of radiation of the electromagnetic spectrum in order from:a)longest to shortest wavelength b)greatest to lowest
1. 6 answers
2. asked by Anonymous
3. 1,168 views
A: What time is your math/Math class?B: At eleven forty-five. Do we have to use 'math' or 'Math'? And is it a common noun or a
1. 5 answers
2. asked by John
3. 1,165 views
sorry i didn't post before..Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of
1. 0 answers
2. asked by samantha
3. 1,148 views
During the1970s, a prolonged insurgency took place in the province of Baluchistan between Bauch insurgency and the Pakistani
1. 5 answers
2. asked by Christi
3. 1,102 views
A friend has journeyed to the mountain foothills to escape the effects of radioactivity altogether. While bathing in the warmth
1. 1 answer
2. asked by Chad
3. 1,081 views
When a 226/88 Ra nucleus decays by emitting an alpha particle, what is the atomic number of the resulting nucleus? What is the
1. 0 answers
2. asked by Chad
3. 1,030 views
A new photocopier can make 72 copies in 2 min. When an older photocopier is working, the two photocopiers can make 72 copies in
1. 4 answers
2. asked by Katie
3. 1,014 views
I need a little guidance answering this folowing multiple choice question please:______ is the term used to describe a company
1. 2 answers
2. asked by Maggie
3. 1,013 views
After 1945, during the disintegration of colonialism, new formed established states in Asia and Africa declared their
1. 3 answers
2. asked by Christi
3. 974 views
Suppose you want to go to the immense red giant Betelgeuse, which is about 500 light years away. (A light year is the distance
1. 2 answers
2. asked by Chelly
3. 968 views
what law barred settlement west of the appalchian mountains
1. 1 answer
2. asked by adam
3. 967 views
A uniform ladder of mass M and length L leans at an angle theta against a frictionless wall. If the coefficient of static
1. 1 answer
2. asked by Nik
3. 965 views
Following are rates of return on medical equip. company's stock and debt, and on the market portfolio, along with the
1. 0 answers
2. asked by Teresa
3. 955 views
1. A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.50 s later. Find the depth of the well
1. 1 answer
2. asked by Chris Adison
3. 943 views
Tom purchases an IBM from Jonh, a thief, for $550. Later, Tom reconditions the typewritten and sells it to Larry for $750. When
1. 4 answers
2. asked by May
3. 938 views
1)Two metal spheres are suspended from insulation threads. A negatively charged rod is brought near these spheres. One shere is
1. 2 answers
2. asked by Anonymous
3. 936 views
When evaluating online sources, one of the points to remember is that, all information listed on the internet is not reliable.
1. 1 answer
2. asked by Rose- Ms. Sue
3. 929 views
Which is correct to write, less-than-lethal ot less than lethal. I keep finding both, so I don't know which is right? Thanks
1. 1 answer
2. asked by Suzi Q
3. 929 views
When evaluating online sources, one of the points to remember is that all information listed on the internet is not reliable. In
1. 3 answers
2. asked by Rose- Ms. Sue
3. 868 views
A 230 kg beam 2.4 m in length slides broadside down the ice with a speed of 22 m/s. A 65 kg man at rest grabs one end as it goes
1. 0 answers
2. asked by Nik
3. 867 views
1. A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.50 s later. Find the depth of the well
1. 2 answers
2. asked by Chris Adison
3. 862 views
Water drives a waterwheel (or turbine) of radius 3.5 m. The water enters at a speed v_1 = 7.5 m/s and exits from the waterwheel
1. 1 answer
2. asked by Nik
3. 804 views
List two ways in which a metabolic block can have phenotypic effects?
1. 4 answers
2. asked by Dawn
3. 769 views
Why are alpha and beta rays deflected in opposite directions in a magnetic field? Why are gamma rays not deflected?
1. 1 answer
2. asked by Shelly
3. 761 views
Describe the changes in the graph of the following funcitonh(t) = sin(4/3 - 2t)
1. 0 answers
2. asked by Cathy
3. 758 views
I failed my english test there was a couple of questions I had wrong and I need an explanation whyIf this be error and upon me
1. 1 answer
2. asked by janet
3. 747 views
Is there a formula for finding voltage and current in a DC current?
1. 0 answers
2. asked by Emily
3. 726 views
An aspirin tablet weighing 0.650 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolvedthe
1. 1 answer
2. asked by Un
3. 719 views
Give the phase shift in radians (along x) of f (x) = sin(x plus 4t+3/7)
1. 1 answer
2. asked by Abigail
3. 717 views
How can I prepare for the science portion of a standardized test? There seem to be alot of practice question on anatomy and I
1. 2 answers
2. asked by Camron
3. 713 views
FIND THE EXPECTED PROFIT OR LOSS VALUE FOR 100,000 POLICIES:AN INSURANCE POLICY SELLS FOR $625. BASED ON PAST DATA, AN VERRAGE
1. 0 answers
2. asked by SNOOPY
3. 710 views
Here is the full lab:Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in
1. 4 answers
2. asked by Reindier
3. 708 views
Can someone please explain to me how to solve logarithmic equations? Some examples are: -5=log2X3^5x+1= 40 and
1. 1 answer
2. asked by JaneLee
3. 690 views
how do you distinquish between a limiting reactant and the excess reactant in a chemical reaction?b) how do you distinguish
1. 1 answer
2. asked by john
3. 681 views
She has six classes every day.Each class is 40 minutes. Between classes there are a ten-minute break.
1. 1 answer
2. asked by John
3. 677 views
Welcome to Namsan Middle School in Seoul. There are 500 students and 20 teachers in the school. There are many classrooms, a
1. 1 answer
2. asked by John
3. 677 views
In which of these cases does a ripe banana apear black, red light/green light or blue light? Why?
1. 1 answer
2. asked by Rachel
3. 676 views
Determine if the expression 4m^5-6m^8 is a polynomial in one variable. If so, state the degree.I really don't understand how to
1. 1 answer
2. asked by Jeanna
3. 671 views
In the commercial production of the element arsenic, arsenic (II) oxide is heated with carbon which reduces the oxide to the
1. 1 answer
2. asked by john
3. 670 views
1) An old wooden tool is found to contain only 11.9 percent of 14C that a sample of fresh wood would. How many years old is the
1. 1 answer
2. asked by Sandhya
3. 664 views
Farmer J enters into a contract to sell 15,000 bushels of oats to ABC Mills. Flood destroys one-half of his crop. Farmer Ja. Is
1. 1 answer
2. asked by May
3. 662 views
Prove that vectors u, v and w are coplanar if and only if vectors u, v and w are linearly dependent.
1. 1 answer
2. asked by Tess
3. 661 views
The importance of 9/11 attacks in the film is that it compares a national crisis to another. When the 9/11 attacks came about,
1. 1 answer
2. asked by jenny
3. 661 views
Baluch struggle during the 1970’s, most importantly the insurgency, left a legacy of resentment and enduring hostility towards
1. 3 answers
2. asked by Christi
3. 660 views
Why did the ghost decide to haunt city hall/
1. 1 answer
2. asked by Nikolai
3. 643 views
I'm trying to follow a research paperThe paper shows an equation to minimize. That makes perfect sense. Then, the paper says:
1. 1 answer
2. asked by mathstudent
3. 631 views
Have you got your health checked? We have to go the hospital to get your medical certificate. After the 5th period, let's go
1. 2 answers
2. asked by John
3. 624 views
Sam wanted to replace the worn-out rain spouting around the perimeter of his barn. Upon examination of the choices of width,
1. 3 answers
2. asked by Joe
3. 619 views
What cultural aspects do the people of Bolivia, Paraguay, and Uruguay share?What is the importance of the "Guarani" culture in
1. 2 answers
2. asked by Bob
3. 618 views
The electricity received at an electric substation has a potential difference of 2.80 x 10^5 V. If the required output is 440 V,
1. 2 answers
2. asked by Anonymous
3. 617 views
Exactly what is a positively charged hydrogen atom?
1. 1 answer
2. asked by Shelly
3. 611 views
I buys a car from Ace Car Dealer. The car was manufactured and assembled by Bord Motors. The brakes were supplied to Bord Motors
1. 1 answer
2. asked by Moon
3. 609 views
Is this right?Decompose into partial fractions. (2x^2-24x+35)/(x^2+2x-7)(x-2)= (Ax+B)/(x^2+2x-7)+C/(x-2)
1. 2 answers
2. asked by Anonymous
3. 609 views
Someone please explain these!The angle between two planes is defined as the angle between their normals. Determine the angle
1. 1 answer
2. asked by Alex
3. 598 views
Please check my answer thanksThe patient states he smokes a pack of cigarettes a day. On what form should you record this
1. 1 answer
2. asked by Helana
3. 596 views
What is limited liability company, how do they get their capital?
1. 1 answer
2. asked by Tosin
3. 592 views
Solve the equation by multiplying each side by the least common denominator.2/h-2 + 4/h+1 = 0 I know the answer is 5, but I do
1. 1 answer
2. asked by Nicole
3. 591 views
TO DR.BOB222hi i have a question. It's regarding a electrolytic cells. This lab has already been posted but i wanted to show you
1. 6 answers
2. asked by samantha
3. 591 views
I do not understand how to figure out my problem below and can not find an example in my book. Can someone give me a suggestion
1. 4 answers
2. asked by Jon
3. 588 views
I have this sentence: Whos in the office now?My answer choices are Whos in, Whose in, Who is in, Who's in, and Whose in'. I
1. 2 answers
2. asked by Kaitlynn
3. 581 views
Posted by lauren on Thursday, April 17, 2008 at 8:45pm in response to ALGEBRA.the problem is 92 is greater than or equal to
1. 3 answers
2. asked by lauren
3. 580 views
One person is very tall, but the other is very short. The big man is wearing a hat, a green jacket and yellow pants. The short
1. 2 answers
2. asked by John
3. 580 views
According to scholar Frederic Grare, the underlying issues that are generating the conflict are “expropriation,
1. 1 answer
2. asked by christi
3. 579 views
The continual flow of the cytoplasm, _________________________________, facilitatesthe movement of
1. 1 answer
2. asked by Adam
3. 576 views
Convert 125000 Pa to psi
1. 1 answer
2. asked by Kate
3. 575 views
Someone please explain these!The angle between two planes is defined as the angle between their normals. Determine the angle
1. 1 answer
2. asked by Alex
3. 571 views
For the following, put T in the box if the statement is true, Fif it is false. Try to provide a very brief explanation of each
1. 3 answers
2. asked by Baby
3. 569 views
Someone please explain these!The angle between two planes is defined as the angle between their normals. Determine the angle
1. 3 answers
2. asked by Alex
3. 562 views
On June 1, Jen enters into an oral contract to work as a sales consultant for B&O. Employment is to begin on Sep. 1. On June 31,
1. 2 answers
2. asked by May
3. 558 views
When is your birthday?My birthday is April 19th. My birthday is on April 19th. It is April 19th. It is on April 19th.
1. 1 answer
2. asked by John
3. 550 views
suppose binary heaps are represented using a pointer-based tree representation instead of an array. consider the problem of
1. 1 answer
2. asked by chase
3. 548 views
what is the four letter name for "notation for subsequent multiple authors in a citation?".Thanks
1. 2 answers
2. asked by Peter
3. 540 views
Each of the following pairs of terms is the middle term and last term of the product of a perfect square. Write the
1. 1 answer
2. asked by Cynthia
3. 539 views
Moreover, although, the current rise of Baloch nationalism is not completely centered on ethnicity per se, one cannot help to
1. 2 answers
2. asked by christi
3. 538 views
On June 1, Jen enters into an oral contract to work as a sales consultant for B&O. Employment is to begin on Sep. 1. On June 31,
1. 0 answers
2. asked by Jenny
3. 532 views
Milton purchased a riding lawn mower from Jack's Law and Garden Shop, a retailer. During the first use, Milton is injured while
1. 0 answers
2. asked by May
3. 531 views
Can you help me figure out this problem? I am so confused...Thank you! Suppose X, Y, and Z buy a piece of property in C’s
1. 1 answer
2. asked by Justie
3. 530 views

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