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Questions Asked on December 16, 2012

a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the
1. 1 answer
2. asked by Corey
3. 448 views
How many different 5.00 d states does hydrogen have? please list them..
1. 2 answers
2. asked by jen
3. 609 views
a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the
1. 1 answer
2. asked by Corey
3. 434 views
a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the
1. 1 answer
2. asked by Corey
3. 538 views
what is the maximum amount of CO2 whichcould be formed from 13.18 g of C3H8 and 9.15 g of O2?C3H8 + 5O2 ! 3CO2 + 4H2O,
1. 0 answers
2. asked by Anonymous
3. 539 views
A rogue chipmunk has been raiding the secrete acorn stash of 3 squirrels. On discovering the perpetrator in the very act they
1. 1 answer
2. asked by Sally
3. 463 views
a weight of mass m is attached to a spring and oscillates with simple harmonic motion. By Hooke's Law, the vertical
1. 0 answers
2. asked by A.J.
3. 462 views
a construction company is planning to bid on a buildinh contract. The bid cost the company $1400.00. The probability that all
1. 2 answers
2. asked by Anonymous
3. 794 views
have a couple of questions about my homework and it's due at midnight tonight:1. On a hot summer day, the temperature of air in
1. 0 answers
2. asked by Karrine
3. 685 views
Calculate the density of sulfur hexafluoride gas at 703 torr and 23°C.density is mass/volume so how do i get those from what i
1. 2 answers
2. asked by Samantha
3. 8,569 views
A spaceship at rest in a certain reference frame S is given a speed increment of 0.50c. Relative to its new rest frame, it is
1. 1 answer
2. asked by Brian
3. 567 views
a sugar solution contains 26 g of sugar in 0.50 l of solution.waht is the concentration in g/l.
1. 2 answers
2. asked by vera
3. 2,228 views
If you were to examine the mature mRNA that comes from a certain human gene, and then line it up to the actual DNA sequence of
1. 0 answers
2. asked by Alex
3. 1,124 views
Given y=(x)^1/2, find the closest point to (3/2,0)
1. 1 answer
2. asked by Daryl
3. 947 views
an empty rubber balloon has mass 0.0120kg, the balloon is filled with helium of density 0.181 kg/m^3. the balloon is spherical
1. 3 answers
2. asked by Helen
3. 3,156 views
Eukaryotic chromatin can be chemically modified in several ways. List at least three modifications and describe the effect of
1. 0 answers
2. asked by Alex
3. 419 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.53 kg m-3. Under these conditions the
1. 2 answers
2. asked by mike
3. 460 views
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
1. 3 answers
2. asked by mike
3. 1,013 views
by what factor is the rate of detoxification changed if a liver enzyme lowers the activation energy of the reaction by 5 kJ/mol
1. 1 answer
2. asked by eiry
3. 737 views
1.21 Three professors at Northern Kentucky Universitycompared two different approaches to teaching courses in the school of
1. 0 answers
2. asked by lou
3. 478 views
An initial deposit of $5000 earns 5.5% annual interest compounded semiannually. How much will be in the account after 5 years?
1. 1 answer
2. asked by Kristen
3. 873 views
find the rate of change of f(x)=x^2+4a. from -2 to 0 b. from 1 to 3 c. from -2 to 1 pllease show work
1. 1 answer
2. asked by Help--Please help!!!!
3. 319 views
for the given functions f&g, find the following and state the domain of each result.f(x)= 5x+4/7x-8; g(x)= 2x/7x-8 a. (f+g)(x)=?
1. 1 answer
2. asked by Help--Please help!!!!
3. 581 views
mass of an unknown sample is 0.240 kg in air and 0.208 kg when in oil of density=800 kg/m^3. Determine volume and density.Is the
1. 0 answers
2. asked by Helen
3. 418 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.43 kg m-3. Under these conditions the
1. 0 answers
2. asked by Stud
3. 390 views
A 5.00-grain aspirin tablet has a mass of 320 mg. For how many kilometers would the energy equivalent of this mass power an
1. 2 answers
2. asked by Brian
3. 942 views
Calculate the molarity of the K+ ion in a solution prepared by adding of 5.55 g of K2SO4 to enough water to form 0.500 L of
1. 2 answers
2. asked by julie
3. 852 views
What mass of solid sodium acetate, NaCH3COO, must be added to 2.50 L of an aqueous solution of 0.55 M acetic acid, CH3COOH, in
1. 2 answers
2. asked by Dee
3. 633 views
How many grams ofPbCl2will dissolve in 2.00 L of O.650M aqueous Pb(N03)2 solution?
1. 3 answers
2. asked by Anonymous
3. 461 views
if liquid heleum is drank
1. 1 answer
2. asked by Akorren
3. 320 views
Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center
1. 3 answers
2. asked by anonymous
3. 3,486 views
Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center
1. 1 answer
2. asked by anonymous
3. 493 views
in 1700 which of the following colonies had the largest slave population relative to its overall population
1. 1 answer
2. asked by kim
3. 488 views
An aqueous solution is 0.273m kcl. What is the molar concentration of potassium chloride, kcl? The density of the solution is
1. 2 answers
2. asked by Fai
3. 1,635 views
Given the reaction 2C2H6 + 7O2 → 4CO2 + 6H2O ∆H = -1416 kJ/mol C2H6a. How many liters of Carbon Dioxide would be produced if
1. 1 answer
2. asked by Shenette
3. 2,047 views
An initial deposit of $5000 earns 5.5% annual interest compounded semiannually. How much will be in the account after 5 years?
1. 1 answer
2. asked by emman
3. 439 views
A patient is prescribed digoxin. The patient’s apical heart rate is 58 beats per minute. What is the nurse’s best action?
1. 1 answer
2. asked by John
3. 477 views
The following items are run-on sentences. Revise each item either by making two complete sentences, or by adding a conjunctive
1. 1 answer
2. asked by April
3. 854 views
study time in X hours8 5 7 12 10 test grade Y in percent 68 50 62 92 80 a)model the date in a linear function b)interpret the
1. 2 answers
2. asked by aaron
3. 473 views
from a 12cm by 12cm piece of cardboard, square corners are cut out so that the sides can be folded up to make a box. Express the
1. 1 answer
2. asked by christina
3. 1,165 views
2 5 3---+---=-- x^2 x-3 x+3
1. 1 answer
2. asked by beth
3. 230 views
log2 64 and 2^x = 40
1. 1 answer
2. asked by beth
3. 322 views
write a 300 words reflective journal expressing the view on class activities and the own personal comments.
1. 1 answer
2. asked by anne
3. 380 views
predict whether a solid will form.Identify the solid and write the balanced equation for the reaction. Na2S(aq)Cu(NO3)2(aq)
1. 1 answer
2. asked by anonymous
3. 481 views
Damon and Reiny. Thanks for your quick and thorough responses.
1. 0 answers
2. asked by Daryl
3. 664 views
What are the products of the double-replacement reaction between potassium chloride and silver acetate?
1. 3 answers
2. asked by Lucy
3. 1,751 views
The accompanying multiple regression outputs estimate the following model:annual cost = 0 + 1(Type of School) +
1. 0 answers
2. asked by ree
3. 498 views
The tires are also tested for failure during a road test where they are subjected to road hazards. A test of 600 tires resulted
1. 0 answers
2. asked by ree
3. 489 views
) The personnel manager of a consumer products company asked a random sample of 300 employees how they felt about how they felt
1. 1 answer
2. asked by ree
3. 629 views
the chimney sweeper poem the children were very badly treated by masters who only cared about money. discuss the methods you
1. 1 answer
2. asked by may
3. 384 views
Determine which of the flowing points lie on the line given by the equation 3x+6y=12
1. 1 answer
2. asked by Melissa
3. 369 views
I want to know about the "Unio" in detail.Could anyone send me the links to it? Please do!
1. 2 answers
2. asked by mollusca
3. 1,003 views
A rubber ball is attached to a paddle by a rubber band. The ball is initially moving away from the paddle with a speed of 4.0
1. 1 answer
2. asked by Ann
3. 450 views
The first element of a geometric sequence is 1 and the common ratio is 3; determine the smallest 4 digit numeral that represents
1. 1 answer
2. asked by xavier
3. 494 views
Show that the equation of a line 4x-3y 4
1. 1 answer
2. asked by Minte
3. 295 views
Show that the equation of a line 4x-3y 4
1. 1 answer
2. asked by Minte
3. 277 views
Show that the equation of a line 4x - 3y 4
1. 1 answer
2. asked by Minte
3. 322 views
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
1. 0 answers
2. asked by cuie
3. 462 views
A mathematics teacher bought a birthday cake for his son with the dedicationHappy (2 raise to 5/2 .(the dot means times) 2 raise
1. 1 answer
2. asked by jezzaD.
3. 615 views
A mathematics teacher bought a birthday cake for his son with the dedicationHappy Birthday!!! (2 raise to 5/2 .(the dot means
1. 1 answer
2. asked by jezzaD.
3. 1,137 views
Balance by redox method:1. S + HNO2 --> SO2 + NO + H2o 2. 24H +18 H2O + 8 MnO4 + 5 As4O6 --> 8 Mn2+ + 20 H3AsO4
1. 1 answer
2. asked by pearlB.
3. 660 views
Cadmium telluride (CdTe) is a semiconductor witha band gap, Eg, of 1.45 eV. Calculate the value of the absorption edge of this
1. 0 answers
2. asked by cutie
3. 467 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.66 kg m-3. Under these conditions the
1. 0 answers
2. asked by meshy
3. 427 views
Show that a conventional x-ray generator is incapable of generating x-rays of wavelength as low as 10-11m. Do this by
1. 1 answer
2. asked by meshy
3. 394 views
Identify the feature below using correct crystallographic notation.
1. 0 answers
2. asked by meshy
3. 459 views
The glass panels of a sky roof need to be coated in order to screen out ultraviolet radiation (10-400 nm wavelength) but without
1. 0 answers
2. asked by meshy
3. 395 views
The diffusion coefficient of silver (Ag) in copper (Cu) has the following values:T (K) D (m2s-1) 923 5.42 x 10-16 1173 1.34 x
1. 0 answers
2. asked by meshy
3. 468 views
You are conducting experiments with your x-ray diffractometer.(a) A specimen of molybdenum is exposed to a beam of monochromatic
1. 0 answers
2. asked by meshy
3. 438 views
Chemical analysis of a silicon crystal reveals gallium at a level of atomic percent. Assuming that the concentration of
1. 0 answers
2. asked by queiry
3. 425 views
How could one lower the glass transition temperature of a germate (GeO2) glass? Select all possible ways.Increase the cooling
1. 0 answers
2. asked by queiry
3. 443 views
A formation energy of 1.11 eV is required to create a vacancy in a particular metal. At 777oC there is one vacancy for every
1. 0 answers
2. asked by queiry
3. 505 views
The half-life of a first order reaction is determined to be 60.5 years. How long will it take for the concentration of the
1. 0 answers
2. asked by queiry
3. 400 views
The figure above shows how the energy of a system varies as a chemical reaction proceeds. Match the numbers features labeled on
1. 0 answers
2. asked by queiry
3. 422 views
So in my grammar book it is these explanation:We use the with nationality adjectives that end -ese, -ch, -sh, -ss and are used
1. 16 answers
2. asked by Minnie
3. 606 views
The lethal inhalation dose of Sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of Sarin that
1. 1 answer
2. asked by Cameron
3. 932 views
in the following fig two tangents PQ and PR are drawn to a circle with centre O from an external point P.prove that QPR=2OQR
1. 0 answers
2. asked by senthil
3. 515 views
The gravitational field strength at the surface of a certain neutron star is 1.34*10^12 N/kg. What would be the theoretical
1. 0 answers
2. asked by adebiyi
3. 385 views
The gravitational field strength at the surface of a certain neutron star is 1.34*10^12 N/kg. What would be the theoretical
1. 1 answer
2. asked by adebiyi
3. 406 views
Write a rule for the pattern.-3,-9,-14,-47,-141,.....
1. 1 answer
2. asked by Shay
3. 813 views
Graph on a number line.21/2. please help thank-you
1. 1 answer
2. asked by Shay
3. 362 views
Suppose that the Fed's inflation target is 2%, potential output growth is 3.5%, and velocity is a function of how much the
1. 0 answers
2. asked by Joanne
3. 539 views
A block of weight 11 N is placed on a frictionless incline which makes anangle of 240 with the horizontal. Find the acceleration
1. 1 answer
2. asked by Anonymous
3. 399 views
The carbon concentration in the steel before carburization is 366.5 ppm and is initially uniform through the thickness of the
1. 0 answers
2. asked by opppp
3. 475 views
answer the questions about the following functionf(x)= 10x^2/x^4+25 a. is the point (-sqrt 5,1) on the graph b. if x=3, what is
1. 1 answer
2. asked by Help--Please help!!!!
3. 2,129 views
can you see if i have good grammar,usage, mechanics and spellingJob description: use various types of equipment, develop,
1. 2 answers
2. asked by naomi
3. 602 views
5. Which kind of goal concerns cooperation between departments?
1. 0 answers
2. asked by Jill
3. 352 views
Maxwell's equations proved thata. Light is a mechanical phenomena b. Light is a chemical phenomena c. Light is a phenomenal
1. 0 answers
2. asked by Katie
3. 454 views
how many ways can you use a dime, quarter, and nickel to make .60 cents?
1. 6 answers
2. asked by zack
3. 366 views
An electronic motor is revolving at 2000rpm. After 3sec, it is moving at 150rpm.Determine the angular acceleration. What is
1. 2 answers
2. asked by Bob
3. 488 views
In a simple random sample of 50 plain M&M candies, it is found that none of them are blue. We want to use a 0.01 significance
1. 1 answer
2. asked by Anonymous
3. 850 views
you weigh 120 lb at the sidewalk outside the world trade center. Suppose you ride from this level to the top of one of its 1350
1. 3 answers
2. asked by Radhikha
3. 810 views
A buffering agent is very similar to a buffering solution. true or falsetrue
1. 1 answer
2. asked by Anonymous
3. 399 views
Combine the following sentences by changing the italicized group of words into a gerund or gerund phrase.I lost my wallet. This
1. 4 answers
2. asked by Dontea
3. 2,500 views
If we have a concentration of H+ at 1 x 10-1.2 mol/L, what is the pH value?A. -1.2 B. 0 C. 2.4 D. 1.2 A.
1. 1 answer
2. asked by Anonymous
3. 345 views
Imagine you have been asked to defend charles 1 at his trial.Why should king charles 1 not have been found guilty and/or
1. 0 answers
2. asked by Anonymous
3. 438 views
How does the presidential agenda affect congress
1. 1 answer
2. asked by Reggie
3. 402 views
A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.23 kg m-3. Under these conditions the
1. 0 answers
2. asked by fatine
3. 403 views
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?
1. 1 answer
2. asked by Jessica
3. 438 views
You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
1. 1 answer
2. asked by fatine
3. 478 views
A ___________ means that 2 or more substances have combined, yet the 2 substances retain their chemical identity?
1. 1 answer
2. asked by Jessica
3. 752 views

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