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2012
November

Questions Asked on November 1, 2012

can someone explain the relationship between consumer expectations and economic performance?Could use some help.
1. 5 answers
2. asked by Lee
3. 4,968 views
A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope
1. 2 answers
2. asked by Ashley
3. 3,319 views
Find the volume of the solid obtained by rotating the region enclosed by y=x^3, y=25x, x ≥ 0
1. 1 answer
2. asked by John
3. 3,160 views
An electron in a hydrogen atom relaxes to the n = 4 level, emitting light of 114 THz. What is the value of n for the level in
1. 1 answer
2. asked by Confused
3. 3,127 views
A very flexible helium-filled balloon is released from the ground into the air at 20degree C The initial volume of the balloon
1. 1 answer
2. asked by chemdummy
3. 2,536 views
Consider the reactionNi(s) + 4CO(g) ! Ni(CO)4(g) Assuming the gases are ideal, calculate the work done on the system at a
1. 3 answers
2. asked by cheri
3. 2,509 views
A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of-2.0 m/s. What
1. 1 answer
2. asked by Sarah
3. 2,446 views
In a reaction between methane, CH4 and chlorine, Cl2 four products can form: CH3Cl, CH2Cl2 + CHCl3 and CCl4. In a particular
1. 3 answers
2. asked by Sunny
3. 2,331 views
Oxygen (O2) has a molar mass of 32 g/mol.(e) Suppose an oxygen molecule traveling at this speed bounces back and forth between
1. 1 answer
2. asked by Help!!
3. 1,979 views
Chlorpromazine is an antipsychotic drug that reduces paranoia and hallucinations byincreasing involuntary muscle movements.
1. 3 answers
2. asked by Hi
3. 1,937 views
Select the delta H values associated with the dissolution of lithium chloride that are exothermic.delta H1: energy associated
1. 1 answer
2. asked by Anonymous
3. 1,917 views
at the grocery store 3/8 of the 408 employees are under the age of 25. How many workers at the grocery store are under the age
1. 4 answers
2. asked by Anonymous
3. 1,800 views
A 15.0ml sample of NaCL solution has a mass of 15.78g.after the NaCL solution is evaporated to dryness, the dry salt residue has
1. 1 answer
2. asked by jack
3. 1,684 views
A student pushes stright along the handles of a mower with a force of 200 N. The handles make a angle of 20°, with respect to
1. 1 answer
2. asked by Alyssa
3. 1,663 views
a rectangle has its base on the x-axis, and its upper corners in the graph of y=27-x^2. what is the maximal area of this
1. 1 answer
2. asked by michael
3. 1,649 views
If f(x) + x^(2)[f(x)]^5 = 34 and f(1) = 2, find f '(1).
1. 1 answer
2. asked by Anonymous
3. 1,645 views
Help please with Carbon analysis. An air bubble accidentallyy enter the CO2-collection graduated cylinder after the completion
1. 1 answer
2. asked by EJ Nunez
3. 1,502 views
What is 6x minus 6x?0x or just 0?
1. 1 answer
2. asked by Carly
3. 1,482 views
A sample containing 6.40 g O2 gas has a volume of 15.0 L. Pressure and temperature remain constant.a. What is the new volume if
1. 3 answers
2. asked by tracy
3. 1,456 views
if 53.0mL of 0.150M of HCl is needed to neutralize all the NH3 from a 2.28g sample of organic material. what is the mass percent
1. 2 answers
2. asked by lisa mendez
3. 1,411 views
Let x be a continuous random variable that is normally distributed with a mean of 65 and a standard deviation of 15. Find the
1. 1 answer
2. asked by Anonymous
3. 1,393 views
Given that the initial rate constant is 0.0190s^-1 at an initial temperature of 20 degrees Celsius, what would the rate constant
1. 3 answers
2. asked by Tasnim
3. 1,385 views
Calculate the gravitational force of attraction between two protons in a chemical compound.Take the mass of proton as
1. 5 answers
2. asked by Ibraheem
3. 1,375 views
what would happen if there were no negative feedback control on growth hormone and thyroid hormone?
1. 1 answer
2. asked by Liz
3. 1,371 views
Oxygen gas can be generated by heating KClO3 in the presence of some MnO2.2KClO3 → 2KCl + 3O2 If all the KClO3 in a mixture
1. 1 answer
2. asked by Kwame
3. 1,364 views
A student takes a 32 question multiple choice exam but did not study and randomly guesses each answer. Each question has three
1. 0 answers
2. asked by Madmistro
3. 1,359 views
If you are flying to a city 800 miles away, what will be the difference in flight times between flying into a 40-mph headwind
1. 1 answer
2. asked by Christina
3. 1,341 views
A 5.00 cm tall candle is placed at a distance of 50.0 cm from a double convex lens having a focal length of 15.0 cm. What is the
1. 1 answer
2. asked by Blegh
3. 1,303 views
2/5 out of 1300 students participated in a soccer game. How many participated.My answer is 520, am I correct. Thanks
1. 1 answer
2. asked by Americal
3. 1,222 views
If you have 1.80 moles of H2, how many gram of NH3 can be produced?
1. 1 answer
2. asked by Heather
3. 1,206 views
A 63 Ω resistor is connected to a 4.7 V batterya) When the switch is closed, calculate the current I. Answer in units of A. A
1. 1 answer
2. asked by Aj
3. 1,205 views
"You will measure the tension T, the mass m, and the length L of your spring.In terms of these variables, what is the expected
1. 1 answer
2. asked by Kyle
3. 1,204 views
Create a PowerPoint about your Captains of Industry (min. 7 slides)I chosen Andrew Carnegie, John D. Rockefeller, and Cornelius
1. 10 answers
2. asked by Laruen
3. 1,178 views
What is the value of w (work) when 1.3 molesof H2 expands from 25 liters to 50 liters against a constant external pressure of 1
1. 1 answer
2. asked by cheri
3. 1,173 views
The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. A swimming polar bear climbs onto a piece of
1. 1 answer
2. asked by Lucy
3. 1,165 views
A New World to the American RevolutionDirections: IDENTIFY and give the SIGNIFICANCE of 5 of the 7 terms below. (Caveat! Be
1. 3 answers
2. asked by Samantha
3. 1,136 views
how many possible combinations are there to make $1.55 using a dollar, dimes and pennies?
1. 1 answer
2. asked by sarah
3. 1,136 views
How do I do these questions? I'm supposed to prove them so that both sides are the same and I'm only supposed to manipulate one
1. 1 answer
2. asked by Alycia
3. 1,115 views
A curve of radius 20 m is banked so that a970 kg car traveling at 50 km/h can round it even if the road is so icy that the
1. 0 answers
2. asked by JoAnna
3. 1,105 views
Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80
1. 2 answers
2. asked by san
3. 1,103 views
you are a speaker in a school debate on the topic "Boys must not help in the kitchen" stand for the motion
1. 7 answers
2. asked by Orville
3. 1,081 views
Alfred Binet's work is associated withintelligence testing visual perception psychopathology comparative psychology classical
1. 5 answers
2. asked by george
3. 1,068 views
An object with a mass of 5000kg is 6.5m away from an object with the mass of 2000kg. What is the force exerted on the smaller
1. 0 answers
2. asked by Katelyn
3. 1,061 views
A 5.00 cm tall candle is placed at a distance of 50.0 cm from a double convex lens having a focal length of 15.0 cm. What is the
1. 1 answer
2. asked by Blegh
3. 1,057 views
In a reaction between methane, CH4+ and chlorine, Cl2+ four products can form: CH3Cl, CH2Cl2 + CHCl3+ and CCl4. In a particular
1. 1 answer
2. asked by Dolly
3. 1,018 views
In an experiment a student allowed benzene C6H6, TO REACT WITH EXCESS BROMINE BR2, in an attempt to prepare bromobenzene C6H5Br.
1. 1 answer
2. asked by Sunny
3. 1,017 views
Read the following lines from “Mother to Son”:So, boy, don’t you turn back Don’t you set down on the steps ‘Cause you
1. 1 answer
2. asked by Deborah
3. 1,006 views
A block weighing 11.05 N rests on a 28 degree incline.(a) Find the normal force exerted by the plane on the block out of the
1. 1 answer
2. asked by anthony
3. 994 views
A 1.05 g sample of an ideal gas occupies 1.045 L at 20.0°C and 0.975 atm. What will be its volume at -8.6°C and 0.5 atm?I used
1. 1 answer
2. asked by Julie
3. 992 views
What was the largest city in the 13 English colonies
1. 2 answers
2. asked by Anonymous
3. 963 views
square root of 3 to the second power minus 5 divided by 8
1. 2 answers
2. asked by jack bakersfeild
3. 959 views
Two blocks are connected by strings and hung from the ceiling as shown. Tension T1 is 187 N and tension T2 is 78 N. Find the
1. 0 answers
2. asked by tomas
3. 952 views
Using the midpoints approach to the cross elasticity of demand-calculate the cross eleasticity the demand for golf at all 3
1. 0 answers
2. asked by AJ
3. 951 views
A 2189 kg car moving east at 9.73 m/s collides with a 3285 kg car moving north. The cars stick together and move as a unit after
1. 2 answers
2. asked by Daisy
3. 945 views
For each reaction, calculate the moles of product (in parentheses) when 2.00 moles of each reactant is usedA: 2SO2 + O2 = 2SO3
1. 2 answers
2. asked by Boo Boo
3. 931 views
A sample of air was compressed to a volume of 18.0 L. The temperature was 290.0 K, and the pressure was 6.80 atm. How many moles
1. 3 answers
2. asked by Kellina
3. 918 views
Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80
1. 1 answer
2. asked by san
3. 895 views
A very flexible helium-filled balloon is released from the ground into the air at 20degree C The initial volume of the balloon
1. 1 answer
2. asked by chemdummy
3. 891 views
Zoë came racing into the police station, bedraggled and obviously traumatized. She told the officer at the desk that her
1. 0 answers
2. asked by Shardae
3. 878 views
A person walks the path shown below. The total trip consists of four straight-line paths.Path 1 is 30.0 m due east. Path 2 is
1. 0 answers
2. asked by Mel
3. 878 views
A Square Has A Side Length Of S . Write A Rule In Function Notation To Represent The Perimeter
1. 2 answers
2. asked by Aurora
3. 874 views
A TUMS tablet was dissolved in 110.00 ml of 0.1022 M HCl and analyzed for CaCO3 according to the procedure described in the lab
1. 1 answer
2. asked by Ashley
3. 865 views
What volume of a 6.0 M NaOH solution would you need to prepare 250.0 milliliters of a 3.0 M NaOH solution?
1. 1 answer
2. asked by john
3. 864 views
Write a short paragraph that traces the rise of Japan from an isolated society to a major industrial and imperial power.I'm good
1. 5 answers
2. asked by Ariana
3. 853 views
Jacob opens a savings account on January 1 with a deposit of $350. He has "direct deposit," in which $25 is deposited every
1. 1 answer
2. asked by Christina
3. 853 views
????? Is to rock.Answer needs to have these letters. Clerad
1. 1 answer
2. asked by Lily
3. 851 views
In an experiment a student allowed benzene C6H6+ TO REACT WITH EXCESS BROMINE BR2+ In an attempt to prepare bromobenzene C6H5Br.
1. 1 answer
2. asked by Dolly
3. 843 views
Can anyone answer this question?Compare the environment for toddlers with one suitable for infants. How are the areas similar?
1. 1 answer
2. asked by Brittany
3. 823 views
A 8.3-g bullet, when fired from a gun into a 1.1-kg block of wood held in a vise, penetrates the block to a depth of 7.05cm.
1. 1 answer
2. asked by Anonymous
3. 806 views
Rewrite each of the following as a product of linear factors1. x^2+3 My Answer: (x+iroot 3)(x-iroot3) 2. x^2-2x+3 MA:
1. 2 answers
2. asked by Rebekah
3. 802 views
Which of these believe that a healthy child will choose what is good for his own growth?Humanistic Social learning theory
1. 1 answer
2. asked by Meep
3. 792 views
A wagon is pulled by a handle making an upward angle of 25° with a force of 25 N. What is the horizontal force pulling the
1. 0 answers
2. asked by Alyssa
3. 789 views
two parallel chords of length 30 cm and 16 cm are draw on the opposite sides of center of a circle of radius 17 cm find the
1. 1 answer
2. asked by surbhi kumari
3. 787 views
To establish a cause and effect relationship, which should be used?Naturalistic observation An experiment A survey A test A case
1. 2 answers
2. asked by yal
3. 781 views
If * stands for -, /stands for +, +stands for *, then which of the following is TRUE?A) 32/14*6+40-8=44.8 B) 14*8/6+40-8=16.8 c)
1. 2 answers
2. asked by shruthi
3. 767 views
The system shown in the ﬁgure is in equilibrium. A 15 kg mass is on the table. A stringattached to the knot and the ceiling
1. 0 answers
2. asked by Hardy
3. 758 views
1. How would you describe a deferred vacation?a. One that was booked several months ago. b. One that was delayed until a later
1. 8 answers
2. asked by Jman
3. 756 views
An air puck of mass 0.289 kg is tied to a stringand allowed to revolve in a circle of radius 0.51 m on a horizontal,
1. 1 answer
2. asked by Mary
3. 751 views
What is the total number of atoms in one unit (molecule or formula unit) of CO2?Then what is the total number of atoms in a mole
1. 1 answer
2. asked by Julie
3. 748 views
steps to solving : 28-6x+4=30-3x
1. 1 answer
2. asked by tod
3. 744 views
After a reflection over the x-axis I have to find the coordinates of A1, B1, C1I am having trouble with b1. A(1,4) B(3,-2)
1. 2 answers
2. asked by George
3. 736 views
A current of 4 A flows in a copper wire 10 mm in diameter. The density of valence electrons in copper is roughly 9 × 1028
1. 0 answers
2. asked by Aj
3. 726 views
A car is stopped at a stoplight. When the light turns green, it accelerates with a constant acceleration of 2.5 m/s^2. At the
1. 0 answers
2. asked by Sarah
3. 722 views
Calculate the amount of heat transferred when 2.06 g of Mg(s) reacts at constant pressure.2 Mg(s) + O2(g) �¨ 2 MgO(s) ƒ¢H =
1. 2 answers
2. asked by rebekah
3. 721 views
So I really want my writing to improve. My teacher is extremely critical on people's writing. I know this is to help us but I
1. 3 answers
2. asked by Carrie
3. 711 views
f(x)=(1/3)x–4 on the interval [2,9]. The domain of the inverse function is the interval [A,B]where A=? and B=?
1. 1 answer
2. asked by Steven
3. 709 views
Find the volume of the solid obtained by rotating the region enclosed by y=x^3, y=25x, x ≥ 0
1. 1 answer
2. asked by John
3. 705 views
A hydraulic cylinder with a radius of 0.0268 m has a piston on the left end and a safety valve at the right end. The safety
1. 0 answers
2. asked by Cat
3. 704 views
Choose the correct vocabulary word for the following sentence:“We know the stranger came from a distance because of the
1. 3 answers
2. asked by Deborah
3. 697 views
A 0.408 kg puck, initially at rest on a horizontal, frictionless surface, is struck by a 0.0886 kg puck moving initially along
1. 0 answers
2. asked by Daisy
3. 697 views
A car traveling in a straight line has a velocityof +5.5 m/s. After an acceleration of 0.65 m/s^2 , the car’s velocity is +8.9
1. 0 answers
2. asked by leo
3. 688 views
can u please help me unscramble this halloween word....."ouracland"
1. 4 answers
2. asked by emily
3. 687 views
For an experiment on specific heat capacities of metal in physics, I am trying to calculate my percent error but am having some
1. 1 answer
2. asked by Hannah
3. 682 views
Sarah is following a recipe that calls for 1 1/4 cups of flour. About how many cup of flour would she need to make 4/9 batch of
1. 1 answer
2. asked by Alicia
3. 678 views
A gadget of mass 17.85 kg ﬂoats in spacewithout motion. Because of some internal malfunction, the gadget violently breaks up
1. 1 answer
2. asked by Daisy
3. 677 views
What critical t value would be needed to construct a 90% confidence interval on a sample of size 22?1.717 1.323 2.080 1.321
1. 1 answer
2. asked by Clueless
3. 674 views
Why would a neurosurgeon cut the corpus callosum and therefore disrupt left/ right brain hemisphere communication?reduce anxiety
1. 2 answers
2. asked by Hi
3. 668 views
which cultures are most closely aligned in valuing dependence over autonomy? American mainstream and Native Americanor Mexican
1. 1 answer
2. asked by ann
3. 648 views
moment of inertia of a ring perpendicular to tangent and its plane
1. 2 answers
2. asked by sara
3. 646 views
In an experiment a student allowed benzene C6H6+ TO REACT WITH EXCESS BROMINE BR2+ In an attempt to prepare bromobenzene C6H5Br.
1. 1 answer
2. asked by Dolly
3. 645 views

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