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2010
April

Questions Asked on April 28, 2010

Question 1What is one of the first steps in a research project? to think about the purpose of the research project. to consult a
1. 23 answers
2. asked by christopher
3. 21,160 views
Why are titrations using permanganate performed in acid solution?
1. 1 answer
2. asked by help
3. 4,838 views
Carbon monoxide is toxic because it bonds much more strongly to the iron in hemoglobin (Hgb) than does O2. Consider the
1. 1 answer
2. asked by Stephanie
3. 4,458 views
As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy:increase
1. 3 answers
2. asked by Megan
3. 3,825 views
Which of these pressures is the lowest? 1.1 atm, 16.7 psi, 740 mm Hg, 111 458 Pa
1. 4 answers
2. asked by carmen
3. 3,151 views
A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x
1. 1 answer
2. asked by Jennifer
3. 3,151 views
a 1.00 L aqueous solution contained 5.80 g of NaOH. what is the pH of the solution?Can someone help me out with the setup of
1. 4 answers
2. asked by Anna
3. 3,122 views
Balance of vertical forces problem. Three balanced forces pull on a ring that is centered over a force table. Two forces F1 and
1. 1 answer
2. asked by Johnny
3. 2,670 views
How are mm Hg, torr, psi, atm, and Pa related to each other mathematically?
1. 1 answer
2. asked by delaney
3. 2,646 views
1.Which of the following is one reason to use quotation marks in a sentence?to show you have used someone’s exact words in
1. 4 answers
2. asked by christopher
3. 2,543 views
Which product is formed by beta emission from phosphorus -32? The atomic number of phosphorus is 15.A)28 Al 13 B)30 Al 13 C)32 S
1. 1 answer
2. asked by jim
3. 2,458 views
Why is the carbon dioxide gas that carbonates fountain drinks stored in sturdy canisters?
1. 4 answers
2. asked by brenton
3. 2,310 views
pg 142 What happened to the computer programer
1. 4 answers
2. asked by jack
3. 2,305 views
The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm . It has a face-centered cubic lattice. Find
1. 2 answers
2. asked by HELp
3. 2,210 views
Use the formula 4.9t^2 +vot=s, where t is the time in seconds, vo is the initial velocity, and s is the distance in meters.Appro
1. 2 answers
2. asked by dani
3. 2,141 views
Suppose r(x) = 8(x)^(1/2) represents revenue and c(x) = 2(x)^2 represents cost, with x measured in thousands of units. Is there
1. 1 answer
2. asked by Jenna
3. 2,020 views
A zinc-copper battery is constructed as follows:Zn | Zn+2(0.10 M) || Cu+2 (2.50 M)| Cu The mass of each electrode is 200.0 g.
1. 1 answer
2. asked by Stephanie
3. 2,000 views
7. In a meeting room, there are chairs, a table, and people. Which of these things has a temperature a) lower than, b) greater
1. 1 answer
2. asked by Ruth
3. 1,856 views
Classify the following mixtures as homogenous(H) or heterogenous(HT):a.lemon juice-H (I'm guessing there's no pulp) b.tap water
1. 3 answers
2. asked by Ana
3. 1,849 views
An advertisement states that eight thermometers cost $12.42 minus a 3% discount. Dr. wants to order a dozen to take advantage of
1. 1 answer
2. asked by debbie
3. 1,667 views
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by
1. 2 answers
2. asked by Kelly
3. 1,665 views
As a computing investigator for your local sheriff’s department, you have been asked to go with a detective to a local school
1. 1 answer
2. asked by peter
3. 1,657 views
BF3 can best be described through the lewis structure as?1. It has less than an octet on at least one atom. or 2. It has less
1. 3 answers
2. asked by James
3. 1,614 views
In energy terms, ionization of an electron in an atom corresponds to the transition from whatever quantum state the electron is
1. 1 answer
2. asked by Bach
3. 1,601 views
An object is released into the air at an initial height of 6 feet and an initial velocity of 30 feet per second. The object is
1. 2 answers
2. asked by alice
3. 1,589 views
What are three different ratios for 5 circles and 4 squares?
1. 2 answers
2. asked by Joanne
3. 1,556 views
A ball of mass oscillates on a spring with spring constant = 200 . The ball's position is described by (0.350 ) 16.0 with
1. 1 answer
2. asked by R
3. 1,551 views
Write a balanced chemical reaction showing how the 4.99 g Sn dissolves in HNO3.
1. 1 answer
2. asked by Orangutan
3. 1,531 views
Two converging lenses with the focal lengths of 40 cm and 20 cm are 10 cm apart. a 2.0-cm-tall object is 15 cm in front of the
1. 1 answer
2. asked by Ashley
3. 1,500 views
A car air bag requires 70. L of nitrogen gas to inflate properly. The following equation represents the production of nitrogen
1. 1 answer
2. asked by Sienna
3. 1,497 views
1. The type of machine that uses a needle that goes from side to side is a/anA. chain-stitch machine. B. straight-stitch
1. 9 answers
2. asked by parri
3. 1,459 views
SolveThe reciprocal of two more than a number in three times the reciprocal of the number. Find the number
1. 1 answer
2. asked by Marta
3. 1,356 views
Pentane, C5H12, and hexane, C6H14, combine to form an ideal solution. At 25⁰C the vapor pressure of pentane is 511 torr and
1. 1 answer
2. asked by Stephanie
3. 1,353 views
a 1.5 kg box moves back and forth on a horizontal frictionless surface between two different springs. the box is initially
1. 0 answers
2. asked by brad
3. 1,324 views
*simplify by combining like terms, if possible. then, remove the GCF and factor fully.2x^2-21x+36+x^2 =3x^2-21x+36 ...i'm not
1. 2 answers
2. asked by Anonymous
3. 1,302 views
You need to find the freezing point of a 1.50m aqueous NaCl solution. You calculate []Tf to be 1.86 degrees C/m x 3.00m or 5.86
1. 1 answer
2. asked by Kim
3. 1,298 views
Can someone try this out so I can see if I'm correct?An 870 g river water sample contains 2 mg of cadmium. Express the
1. 2 answers
2. asked by Ana
3. 1,295 views
Determin the number of oxygen atmos in 1.75kg of potassium sulfate.
1. 1 answer
2. asked by Andy
3. 1,258 views
Explain whether the photons emitted by a bright light bulb are more energetic than those emitted by a dim light bulb of the same
1. 1 answer
2. asked by Renee
3. 1,250 views
A solid consists of mixture of NaNO3 and Mg(NO3)2. When 6.50 g of this solid is dissolved in 50.0 g of water, the freezing point
1. 1 answer
2. asked by Stephanie
3. 1,241 views
how do i Write an expanded expression for the volume of the cube with a side length of 3x+2 cm.
1. 1 answer
2. asked by Ana
3. 1,234 views
What kinds of cells make it difficult to tear fern leaves from a plant?thanks:)
1. 2 answers
2. asked by Rebekah
3. 1,227 views
Michelle draws a card from a standard deck of 52 cards. She replaces the card and draws a second card. What is the probability
1. 2 answers
2. asked by Scott
3. 1,179 views
Question 16 Use quotation marks to set off the exact words of someone else in all but which of the following options?Up to three
1. 2 answers
2. asked by christopher
3. 1,171 views
Write the net ionic equation for the hydrolysis reaction that occurs when Ba(CH3COO)2 is dissolved in water.CH3COO- + H2O <->
1. 3 answers
2. asked by sh
3. 1,154 views
Triangle I has sides with lengths 2 2/3 cm, 4 1/2 cm and 3 cm. Triangle II has sides with lengths 8 cm, 13 1/2 cm and 9 cm. Are
1. 1 answer
2. asked by hola
3. 1,138 views
The newspaper phones a rehab clinic and asks if Sally celebrity is a patient and what is her status. The clinic shouldA. Tell
1. 1 answer
2. asked by Student
3. 1,135 views
which function below if either has zeros that are complex conjugates?P(x)=x^4-7x^3-27x^2+63x+81 H(x)=x^4-x^2+25x-25
1. 3 answers
2. asked by cole
3. 1,122 views
A student has blocks of four different materials of identical mass. The materials are ice, gold, aluminum, and Styrofoam. Which
1. 1 answer
2. asked by Sara
3. 1,120 views
6.What's the next step to choosing a topic once you've identified a general subject?narrowing the topic formulating a thesis
1. 3 answers
2. asked by christopher
3. 1,117 views
What will happen to the volume of a gas in a closed container if you increase the external pressure when the temperature remains
1. 2 answers
2. asked by carter
3. 1,094 views
The mean IQ among members of a club is 118 with a standard deviation of 9.46. What percentage of the members had IQ scores of
1. 2 answers
2. asked by CJ
3. 1,070 views
need help solvingtwo houses are for sale on the same street.the second house has 1000 square feet less than twice the square
1. 5 answers
2. asked by DEBBIE
3. 1,050 views
Determine the minimum volume of 6.40M HNO3 required to dissolve a 2.40g sample of Cu.2NO3-(aq)+8H+(aq)+3Cu(s)-->2NO(g)+4H2)(l)+3
1. 1 answer
2. asked by Catalina
3. 1,042 views
Which compound has a value of Ka that is close to 10^-5?A)NaCl B)HN03 C)CH3CH2C02H D)KOH E)NH3
1. 1 answer
2. asked by jim
3. 1,027 views
im 12 yrs and writing a grant for the school so we can get 'money' to build a toothpick bridge and i have no clue how to write
1. 2 answers
2. asked by tinkerbell
3. 1,018 views
a particle moves along the x-axis (units in cm) its initial position at t=0 sec is x(0)=15. the figure shows the graph of the
1. 0 answers
2. asked by shelby
3. 998 views
Say you have a 15% inflation rate and a 10% unemployment rate, and inflation is "public enemy number 1", what fiscal and
1. 1 answer
2. asked by David
3. 993 views
A platform rotates at an angular speed of 2.2 rad/s. A block rests on the platform a distance of 0.3m from the axis. Static
1. 1 answer
2. asked by Rita
3. 989 views
Question 14How does a thesis function? A.it points out the inadequacies of the opposing views B.it states your position Cit
1. 4 answers
2. asked by Christopher
3. 975 views
Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a short-sleeve
1. 5 answers
2. asked by parri
3. 938 views
Question 8 5 points SaveUse quotation marks when you introduce what sort of information? a speaker’s name as well as what the
1. 2 answers
2. asked by christopher
3. 932 views
Hi im unsure how do this problem becasue I do not how to go about these types of problems were you make monthely payments each
1. 2 answers
2. asked by Kate
3. 915 views
Assume that you are a manager of a bank branch.Write a list of the implications of intangibility for you firm?
1. 0 answers
2. asked by Ana
3. 901 views
Which of the following is not a characteristic of a thesis?It is very narrow. It is expressed in a sentence. It does not
1. 0 answers
2. asked by Christopher
3. 891 views
Question 1Which of the following is NOT a question to consider when analyzing visual images? Who produced the image? If there is
1. 0 answers
2. asked by christopher
3. 886 views
for each of the following pairs, determine which acid is the stronger acid.A. H2S, HS- B. H2SO3, H2SeO3 C. HBr, H2Se D. HIO4,
1. 1 answer
2. asked by Anna
3. 883 views
SolveOne boat travels 10km/h faster than another. Which one boat travels 120 km, the other travels 155 km. Find their speeds.
1. 1 answer
2. asked by Marta
3. 883 views
You are holding a shopping basket at the grocery store with two 0.68- cartons of cereal at the left end of the basket. The
1. 1 answer
2. asked by jenny
3. 874 views
A certain vinegar is 5.0% acetic acid in water. What mass (in grams) of acetic acid is needed to mix with 185 grams of water to
1. 1 answer
2. asked by Anonymous
3. 865 views
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by
1. 2 answers
2. asked by Kelly
3. 860 views
SolveA contractor finds that it takes a crew A 6 hours to construct a wall of a certain size. Crew B takes 8 hours to construct
1. 1 answer
2. asked by Marta
3. 857 views
How are mm, torr, psi, atm, and Pa related to each other?
1. 1 answer
2. asked by delaney
3. 853 views
What is an example of commutative property of multiplication?
1. 1 answer
2. asked by Gio
3. 846 views
which function below, if either, has zeros that are complex conjugates?P(x)= X^4-7x^3-27x^2+63x+81 H(x)=x^3-x^2+25x-25
1. 3 answers
2. asked by cole
3. 835 views
In a space with an orthonormal coordinate system consider the plane;&: 4x-3y=12 (a)(i)Find the coordinates of the points of
1. 0 answers
2. asked by Anonymous
3. 824 views
Why can you smell a cake baking in the kitchen when you are in your bedroom?
1. 1 answer
2. asked by Brooke
3. 821 views
Which of the following is a weak acid?A)HN03 B)H3P04 C)NH3 D)C03^2- E)OH
1. 2 answers
2. asked by jim
3. 818 views
How does the kinetic theory explain how you can smell coffee and bacon at the same time?
1. 0 answers
2. asked by brigette
3. 818 views
A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic
1. 2 answers
2. asked by Kelsey
3. 812 views
A) In some regions of the southwest United States, the water is very hard. For example, in Las Cruces, New Mexico, the tap water
1. 2 answers
2. asked by Stephanie
3. 799 views
In Favour of being AliveTwenty-four years ago I tried to but with my usual incompetence did not manage to. Not even one good
1. 2 answers
2. asked by Sara
3. 793 views
Peform each indicated operation by using LCD and simplify the result. Can you please show me the steps on how you got the answer
1. 0 answers
2. asked by Bradley
3. 766 views
Cadmium sulfide (CdS) is used in some semiconductor applications. It is possible to evision the dissolving of this slightly
1. 0 answers
2. asked by Stephanie
3. 763 views
Suppose now that the air carts below are both moving to the right initially. The cart to the left has a mass m1 and an initial
1. 2 answers
2. asked by Kelly
3. 746 views
prove the following:given: ABCD is a trapezoid with bases BC and AD to prove: BX • AX = DX • CX X is the intersection of the
1. 0 answers
2. asked by bob
3. 740 views
Question 16 Use quotation marks to set off the exact words of someone else in all but which of the following options?Up to three
1. 2 answers
2. asked by christopher
3. 732 views
A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x
1. 3 answers
2. asked by Jennifer
3. 728 views
• Write five sentences about the role of education in successful financial planning, in which you correctly use a different
1. 8 answers
2. asked by anna
3. 719 views
Where on Earth?You're standing outside the airport terminal in Moscow on a cold winter night. Snow streams past the windows of
1. 9 answers
2. asked by y912f
3. 716 views
What effect does lowering the pressure on the surface of water have on the boiling point?It increases the boiling point It
1. 1 answer
2. asked by Megan
3. 707 views
Equivalent forces derivation problem.EXAMPLE: Derive the formula for F3 in terms of the experimentally measured quantities m1,
1. 1 answer
2. asked by sarah
3. 706 views
Electric fields are vector quantities whose magnitudes are measured in units of volts/meter (V/m). Find the resultant electric
1. 1 answer
2. asked by Anonymous
3. 702 views
I do not know how to figure out his next shot. A basketball player has made 34 of her last 42 freethrowattempts. What
1. 1 answer
2. asked by bwb
3. 701 views
I am trying to summary each chapter for the book Romiette & Julio by Sharon Draper. Please help!
1. 2 answers
2. asked by Tee
3. 687 views
if the speed of the electron is 3.0x10^3 meters per second and the magnitude of the magnetic field is 3.0x10^5T then the value
1. 1 answer
2. asked by Anonymous
3. 681 views
A father distrubes R500.00 between his three sons that the eldest son gets twice as much as the second son, who in turn, gets as
1. 0 answers
2. asked by TL Matabane
3. 676 views
Sodium chloride is added to water (at 25⁰C) until it is saturated. Calculate the Cl- concentration in such a solution. Useful
1. 0 answers
2. asked by Stephanie
3. 671 views
As a result of the Pullman Strike, for the next 30 years the government
1. 3 answers
2. asked by Ally
3. 665 views
Name two sets of vectors that could be used to span a set in R^3. Show how the vectors (-1,2,0) and (3,4,0) could each be
1. 0 answers
2. asked by Jackiee
3. 646 views

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