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Alan

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Can you help me find a link that tells me some information on history of Port St Lucie? Please answer if you see this.
1. 1 answer
2. 489 views
If 27 J of work are needed to stretch a spring from 18 cm to 24 cm and 45 J are needed to stretch it from 24 cm to 30 cm, what
1. 0 answers
2. 873 views
find the rms value of the functioni=15(1-e^-1/2t) from t=0 to t=4
1. 1 answer
2. 552 views
Tidal forces can break apart objects that orbit too close to a planet, producing rings like those of Saturn. Consider an
1. 2 answers
2. 461 views
A simple harmonic oscillator has spring constant = 8.8N/m , amplitude = 11cm , and maximum speed 4.6 m/s. what is the speed at
1. 1 answer
2. 467 views
A young guy is setting up a date for his girlfriend. He has the option of going to Chicago, Indianapolis, or staying in
1. 0 answers
2. 534 views
From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B,
1. 4 answers
2. 2,181 views
From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B,
1. 1 answer
2. 580 views
Hi,Can someone check this for me .. please A tuning fork has a wavelength 0f 136 centimetres. Given that the speed of sound is
1. 2 answers
2. 446 views
An inflated basketball has a gauge pressure of 9.0 lb/in^2.What is the actual pressure inside the ball?
1. 1 answer
2. 967 views
A 70 kg person sits on a 3.6 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 cm in
1. 1 answer
2. 1,113 views
An airplane at a height of 2000 meters is flying horizontally, directly toward an observer on the ground, with a speed of 300
1. 1 answer
2. 565 views
Pushing on the pump of a soap dispenser compresses a small spring. When the spring is compressed 0.55 cm, its potential energy
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2. 1,078 views
You raise a bucket of water from the bottom of a deep well.If your power output is 128 W, and the mass of the bucket and the
1. 1 answer
2. 1,624 views
A new record for running the stairs of the Empire State Building was set on February 3, 2003. The 86 flights, with a total of
1. 2 answers
2. 727 views
A 1.1 kg block is held against a spring of force constant 2.0×10^4 N/m, compressing it a distance of 0.20 m.How fast is the
1. 1 answer
2. 1,367 views
At t= 1.0s, a 0.61 kg object is falling with a speed of 6.0 m/s. At t= 2.0s, it has a kinetic energy of 25 J.1. What is the
1. 3 answers
2. 820 views
A small plane tows a glider at constant speed and altitude.If the plane does 2.00X10^5 J of work to tow the glider 165 m and the
1. 2 answers
2. 2,784 views
A 55-kg packing crate is pulled with constant speed across a rough floor with a rope that is at an angle of 44.7 degrees above
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2. 2,280 views
Early one October, you go to a pumpkin patch to select your Halloween pumpkin. You lift the 2.8 kg pumpkin to a height of 1.4 m,
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2. 4,157 views
In a Young's double-slit experiment, the angle that locates the second-order bright fringe is 3.0°. The slit separation is 4.8
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2. 797 views
At t=0, a wave disturbance has the waveform that is shown in a figure. The wave has a velocity of 500.0 m/s to the left. What's
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2. 457 views
Two waves are combined to form this standing wave equation ofy(x,t) = (3 mm)sin[x/(2 m]cos[(100 rad/s)t] a. What's the amplitude
1. 2 answers
2. 661 views
At a height of 5 meters above the surface of a freshwater lake, a sound pulse is generated. The echo from the bottom of the lake
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2. 626 views
A rubber ball of mass m1= 10kg is moving to the right with speed v1= 10m/s. it collides elastically with another ball of mass
1. 0 answers
2. 845 views
Confused on what do to do for this paper I have to write for a class here in a community college. I am to choose a country in
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2. 705 views
How do we calculate the radial velocity after the recession velocity is known?
1. 2 answers
2. 393 views
Does methanol absorb UV light?
1. 1 answer
2. 805 views
Does water and methanol absorb light in the UV-Vis region?
1. 1 answer
2. 491 views
Find the function value.f(x)=x^3 f(-8)=
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2. 331 views
Given the function k described by k(x)=8x,find each of the following. k(-13)= k(6)= k(24)=
1. 1 answer
2. 351 views
In the reaction: Protection of 1-Phenylethanol by 3,4-Dihydro-2H-pyran, 1-phenylethanol, 3,4-Dihydro-2H-pyran and anhydrous
1. 1 answer
2. 412 views
One of the tests for Outlier is anything greater or smaller than 1.5 IQR.Why is 1.5 chosen to be the benchmark, instead of 2 or
1. 1 answer
2. 379 views
An NMR spectrum of fumaric acid in acetone was run. The following results were obtained:1 sharp peak with 5 splittings at around
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2. 693 views
An NMR spectrum of fumaric acid in acetone was run. The following results were obtained:1 sharp peak with 5 splittings at around
1. 0 answers
2. 491 views
In general, what are the conditions required for Schiff's Base to polymerise?
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2. 723 views
Sorry. What I meant was:How do we improve the efficiency of Flash Column Chromatography?
1. 0 answers
2. 535 views
How do we improve the efficiency of Column Chromatography?
1. 2 answers
2. 1,069 views
the determining factors of gender identification and gender roleso State the factors that determine gender identity. o Explain
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2. 859 views
Is ATP an allosteric inhibitor for protease?
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2. 324 views
How will the conformation of an Enzyme (a protease) be affected when the amino acid residue is substituted with glutamate
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2. 392 views
Beside the usual method of titrating with KMNO4, what is/are the alternative method/s to test for the presence/amount of oxalate
1. 1 answer
2. 428 views
Is Al(OH)3 soluble in KOH or K2C2O4•3H2O?
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2. 444 views
Why is heating required for this formation:6NaOH (aq) + Al2(SO4)3 (aq) �¨ 2Al(OH)3 (s) + 3Na2SO4 (aq)? Wouldn't freezing
1. 1 answer
2. 509 views
This is the equation for the formation of Al(OH)3:6NaOH (aq) + Al2(SO4)3 (aq) �¨ 2Al(OH)3 (s) + 3Na2SO4 (aq) Would any side
1. 2 answers
2. 692 views
During the preparation of K3[Al(C2O4)3].3H2O, NaOH was added slowly and with stirring over an approximately 10-minute period to
1. 1 answer
2. 624 views
I calculated the average number of crashes over a 240 week period to be .0875...what formula do I use to calculate the
1. 0 answers
2. 449 views
Cu(NH3)2^+ is a colourless compound.Will there be any absorbance at 600nm?
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2. 363 views
What is the colour of:1. Cu+ 2. Cu2+ 3. Cu3+?
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2. 7,693 views
Aspirin equilibrium is : HC9H7O4(aq) + H2O (double arrow)C9H7O4^-(aq) + H3O^+You have 2 tablets each containing 0.325g of active
1. 1 answer
2. 830 views
What is the stoichiometric ratio for Cu2+ ions with cuprizone to form the copper-cuprizone complex?
1. 0 answers
2. 334 views
Copper(I) Iodide is synthesised by the equation:2CuSO4.5H2O + 2KI + 2Na2S2O3.5H2O --> 2CuI + K2SO4 + Na2SO4 + Na2S4O6 + 10H2O
1. 1 answer
2. 1,041 views
What is the stoichiometric ratio for Cu2+ ions with cuprizone to form the copper-cuprizone complex?
1. 0 answers
2. 344 views
How should I write the balanced chemical equation to represent the oxidation of Cu+ ion by air?[Cu(NH3)3]^+1 + 2H2O + ??? -->
1. 1 answer
2. 484 views
Can [Cu(NH3)2]^+ and/or [Cu(NH3)3]^+ be oxidised by air to become [Cu(NH3)2]^2+ and [Cu(NH3)3]^2+ respectively?
1. 1 answer
2. 404 views
What would be the most likely product(s) when you react CuI with NH4OH?
1. 1 answer
2. 408 views
What is the chemical equation for:CuI + NH4OH ---> ??? This equation should oxidise Cu+ to Cu2+.
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2. 706 views
I recently did an experiment on Aldol Condensation, by reacting Benzaldehyde with Acetone to form Dibenzalacetone.The proposed
1. 2 answers
2. 672 views
What is the sum of the measures of the interior angles of a convex octagon?What is the sum of the measures of the interior
1. 0 answers
2. 815 views
Calculate the volume occupied by 18g of water vapor at 100C at 1 atm. Show calculations
1. 3 answers
2. 1,297 views
A 75 g autographed baseball slides off of a1.3 m high table and strikes the floor a hori- zontal distance of 0.65 m away from
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2. 1,228 views
What was the direction of the ball’s velocityjust before it hit the floor? That is, at what angle (in the range −90◦ to
1. 0 answers
2. 633 views
Mendoza Manufacturing plans to producea one compartment vertical file by bending the long side of a 10-in. by 18-in. sheet of
1. 1 answer
2. 2,585 views
Identify Jacobins
1. 1 answer
2. 552 views
I need help with today's assignment in intro to Sociology120. The assignment is urbanization trends
1. 1 answer
2. 513 views
Use Appendix b to list at least five of the events or major concepts in each of the three historic periods of personality
1. 1 answer
2. 632 views
I don't exactly live in america, but im in year 5, which i think is grade 5 in america. But i have a really desperate question i
1. 1 answer
2. 434 views
This is the last one Dr Bob!How much concentrated 18 M sulfuric acid is need to prepare 250 ml of a 6.0 M solution? Im stumped
1. 1 answer
2. 416 views
What is the molality of a solution made from 5.61 moles of KCl and 2.11 kg of water?I'm very lost on this one, could someone
1. 5 answers
2. 1,266 views
Nearly every country of the world uses some method, either on a small or a large scale , of hydroponics.Is this written
1. 4 answers
2. 586 views
eodns These are the letters to a spanish word what does it spell?
1. 1 answer
2. 643 views
i don't know if you remember me. But I am the one that is doing the term paper over hydroponics. I have found a couple of really
1. 1 answer
2. 600 views
Whats an word for everyday language? not english. a vocab term
1. 2 answers
2. 880 views
I have to write a term paper for two classes. the teachers are letting us students write only one but the topic has to be
1. 3 answers
2. 532 views
Who was the first president to state the inauguration and how old was he at the time?
1. 1 answer
2. 448 views
If exchange rate depreciate, what will happen to the parent company NPV of foreign cashflow?
1. 0 answers
2. 454 views
I amd writing a paper over how mark twain uses satire to criticize religion. My opening statement is: Helping a slave runaway
1. 2 answers
2. 570 views
I have a history teacher that wants a paper over my article explaining who , what , when, where, why and how. The fact is these
1. 3 answers
2. 591 views
In professional ethics there are holism and separatism.holism, use your imagination to present three examples of people whose
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2. 1,399 views
(2^-3)(x^0(x^2))all over _______ (x^-3)(xy^-3)(y) does it equal x^2)(xy^3)(x^3) ______________ 8y
1. 2 answers
2. 421 views
What is the factored form for a Quadratic Function with it vertex at the origin?
1. 3 answers
2. 1,132 views
What is the Median of the Following Numbers80, 80, 80, 90, 90,100
1. 2 answers
2. 487 views
I have searched and searched but I can't find examples of companies that product's image has been made or broken through
1. 1 answer
2. 540 views
I already did this problem but i decided to check my self since my answer wasn't withthe status quo of the rest of the answers i
1. 8 answers
2. 573 views
Buggs made the trip at 40 mph during the first Hiatus. Joan Made the same trip at 50 mph during the second hiatus. How long was
1. 2 answers
2. 910 views
A train left Podunk and traveled north at 75 Km/h. Two hours later, another train left Podunk and traveled in the same direction
1. 5 answers
2. 2,044 views
For my class I have to have a good spy story. Basically one that got caught. I have found some but my classmates got to the
1. 1 answer
2. 517 views
I am currently inrolled in a biology class, I pay attentionin class, I take all the notes possible, I study for the test at
1. 5 answers
2. 674 views
Where do the following lines meet on a coordinate system? e.g. (x,y)x+3y=4 2x-y+8
1. 5 answers
2. 1,124 views
compute volume and/ or weights of reagents to make the following solution.Desired concentration: 22 ug/mL bovine serum albumin
1. 0 answers
2. 448 views
compute volume and/ or weights of reagents to make the following solution.Desired concentration: 40% NaOH + 4% Na2S2O3 Desired
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2. 426 views
compute volume and/ or weights of reagents to make the following solution.Desired concentration: 40% NaOH + 4% Na2S2O3 Desired
1. 0 answers
2. 455 views
Determine the molarity of 30% (w/w) KOH of specific gravity 1.29. Thanks for any help.
1. 1 answer
2. 969 views
I have a table that has the vapor pressure of water at selected temperatures. It is converted from celsius to torr. For example:
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2. 1,247 views

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