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Questions Asked on February 28, 2015

Verify (a + a) × (a+ b) = 0⃗ . What can be said about two vectors whose cross product is the zero vectora x b = i j k 3 -3 1
1. 1 answer
2. asked by NoName
3. 1,211 views
how do i plot the gibbs isotherm equation in excel given concentration and surface tension? I'm looking for surface excess which
1. 0 answers
2. asked by marnie
3. 456 views
A successful narrative essay de-emphasizes or omits ________.A. the thesis statement B. unimportant details C. conflict D.
1. 4 answers
2. asked by Jay
3. 2,056 views
What is the difference between the way matter responds to a transverse wave and a longitudal wave?A. Matter moves in the same
1. 2 answers
2. asked by LOL 101
3. 1,186 views
Im going to post a few i want to check over. I think it is B, C, and A1. In narration, dialogue should ________. A. be used
1. 3 answers
2. asked by Jay
3. 660 views
Use a specific example to prove that the cross product is also not associative. That is, use three specific vectors in 3-space
1. 1 answer
2. asked by Adiana
3. 2,776 views
The main difference between the internal combustion engine and the diesel engine is that the diesel engineA. does not have a
1. 1 answer
2. asked by Dave
3. 1,283 views
Please help with the following:How does sleet differ from snow? A. It is not a form of precipitation. B. It is liquid and not
1. 4 answers
2. asked by Brady
3. 1,115 views
Determine the level of the confidence given the confidence coefficient z(α/2) for the following situation: z(α/2) = 1.96
1. 1 answer
2. asked by slomomo
3. 1,738 views
If weight in the general population is normally distributed with an average of 160 and a standard deviation of 20 pounds, what
1. 1 answer
2. asked by candy
3. 945 views
I believe it is B and then C?1. Examples in writing ________. A. help you concisely tell a reader a story that makes a point B.
1. 1 answer
2. asked by Jay
3. 696 views
UMM.. I keep coming up with the wrong answer? How do I calculate this?1. Calculate the number of Li atoms in 9.9 moles of Li.
1. 2 answers
2. asked by Jennie
3. 1,514 views
Dr. Bob222,Calculate the moles of C2H6 in 8.60×1023 molecules of C2H6. I did what you said, I got 8.60*10^23*(1mole/6.02*10^23)
1. 2 answers
2. asked by Jennie
3. 726 views
A 755 N diver is standing on a platform 10.0 m above the surface of the water. What is the diver's speed when he hits the water?
1. 1 answer
2. asked by Einna
3. 481 views
Ok, I know how to balance chemical equations, however, I don't know how to tell if it is a S, L, aq, or g? How am I supposed to
1. 2 answers
2. asked by Jennie
3. 765 views
Do you think that the countries producing sulfur dioxide emissions should compensate their neighbors for the damage being done?
1. 3 answers
2. asked by Taylor
3. 576 views
In fruit flies, eyes can be either white or red, and wings can be either long or short. A mating cross between a red-eyed
1. 0 answers
2. asked by TayB
3. 519 views
Which of the following situations best shows Darwin’s theory of natural selection as a mechanism for evolution?A. The long
1. 4 answers
2. asked by TayB
3. 1,272 views
Ammonia is produced by the reaction of hydrogen and nitrogen.N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2 reacted if
1. 1 answer
2. asked by Jennie
3. 2,385 views
Describe how the separation of (1) authorization of production transactions, (2) recording of these transactions, and (3)
1. 1 answer
2. asked by jennifer
3. 622 views
Nae one or two experiences or situations that reflect an 'unredeemed' world. What reasons can you identify for this. 300 wordsPl
1. 8 answers
2. asked by Sam
3. 1,016 views
In order to properly design a heating system for a greenhouse, the volume of air in the building needs to be determined. Find
1. 1 answer
2. asked by John
3. 478 views
What part of speech is idle in this sentence? "The kids are left idle with nothing to do."
1. 2 answers
2. asked by Jess
3. 660 views
As your vacation job, you are driving a concrete mixer (mass 3300 kg). While driving down a hill (angle α = 29° with the
1. 0 answers
2. asked by Breaking on a hill
3. 866 views
The autodissociation of water to H+ and OH- is endothermic. At a higher temperature more of the water molecules have sufficient
1. 1 answer
2. asked by JUNDY
3. 1,436 views
Calculate the hydrogen ion concentration, [H+], in 0.00988 M Ba(OH)2. Careful!
1. 1 answer
2. asked by JUNDY
3. 622 views
How many milliliters of 0.534 M Ba(OH)2 solution are needed to completely neutralize 34.5 mL of 0.220 M HBr solution? The
1. 6 answers
2. asked by Matthew
3. 782 views
Each homeroom of a middle school receives 1/12 of a 5/6 acre of land. How many homerooms receive a plot of land?
1. 1 answer
2. asked by May
3. 612 views
A reaction proceeds with ∆ H = 40 kJ/mol. The energy of activation of the uncatalyzed reaction is 120 kJ/mol, whereas i t is
1. 0 answers
2. asked by Jessica
3. 892 views
To make 4 1/2 gallons of ice cream, it takes 6 3/10 gallons of milk. How many gallons of milk does it take to make one gallon of
1. 7 answers
2. asked by Angel
3. 1,859 views
Write and solve an equation to find the complement of an angle that measures 42 degrees.THX!
1. 2 answers
2. asked by Sam
3. 1,134 views
I'm having a brain malfunction...how to calculate how many grams are in a mole of something? How many grams are in 3.80mol of
1. 1 answer
2. asked by Jennie
3. 523 views
hi, I am studying for an exam and I am trying to really understand the processes of things.So, in a cardiac muscle (everything
1. 0 answers
2. asked by jack
3. 420 views
Calculate the pH of a 0.033 M solution of sodium ascorbate, Na2C6H6O6. For ascorbic acid, H2C6H6O6, Ka1 = 7.9 × 10-5 and Ka2 =
1. 5 answers
2. asked by Is my answer right?
3. 2,749 views
Phosphorous acid, H3PO3, is actually a diprotic acid for which Ka1 = 5.0 × 10-2 and Ka2 = 2.0 × 10-7. What are the values of
1. 3 answers
2. asked by Jen
3. 1,718 views
What simplifying assumptions do we usually make in working problems involving equilibria of salts of polyprotic acids? Why are
1. 2 answers
2. asked by Lenny
3. 2,099 views
If an object is thrown 60m into the air and it takes the object 6s to get there what's there average speed of the object
1. 1 answer
2. asked by Jay
3. 927 views
Do you agree with Bruce Hinrichs (in Kessler) that there is no good reason for people to feel "threatened or dehumanized" if
1. 1 answer
2. asked by TayB
3. 822 views
For the simple decomposition reaction below, rate = k[AB]2 and k = 0.30 L/mols.AB(g) A(g) + B(g) If the initial concentration of
1. 1 answer
2. asked by Anonymous
3. 523 views
50.0 mL of a solution of HCl is combined with 100.0 mL of 1.15 M NaOH in a calorimeter. The reaction mixture is initially at
1. 2 answers
2. asked by Marcus
3. 1,837 views
Find relative Minimum and Maximumf'(x) = (9-4x^2)/ (x+1)^1/3
1. 1 answer
2. asked by Akki
3. 437 views
A rectangular loop with a=2.9 cm, and b=1.9 cm, moving with a velocity v=3.8 cm/s into an area where the magnetic field is
1. 0 answers
2. asked by Trisha
3. 547 views
Hello, I need to double check for incorrect grammar and sentence flow. Thank you very much. I am writing a (1) biography of Juan
1. 4 answers
2. asked by Proofread for incorrect grammar
3. 546 views
Does a diet will help you lose 10 pounds in 3 days debunk the nutrition myth?My answer is yes
1. 2 answers
2. asked by Steve
3. 614 views
How many moles of H2 and N2 can be formed by the decomposition of 0.250 mol of ammonia, NH3?Is it 0.250*3mol H2=0.75 0.25*1mol
1. 1 answer
2. asked by Matthew
3. 1,786 views
Find the area of the region bounded by the curves y=x^2 & y=2x???
1. 1 answer
2. asked by Akki
3. 566 views
Find the roots of the quadratic equations x^2 - 1/12x -1/12 = 0 ?
1. 1 answer
2. asked by tuhituhi
3. 651 views
Divide 12 into two parts such that the sum of their square is 74?
1. 3 answers
2. asked by tuhituhi
3. 768 views
how many moles of solid mg(oh)2 should you ad to 200 ml of .15M acetic acid solution to produce ph 4.0 buffer?
1. 1 answer
2. asked by Munavvar
3. 422 views
Organs like the liver, lungs, and intestines, each perform a specific job.COMPARE AND CONTRAST: How are the organs in a model of
1. 0 answers
2. asked by Kyle
3. 495 views
how many kj will be absorbed in changing 93kj to it at 20degree celsius to water in 40degree celsius show working
1. 0 answers
2. asked by eze stanley
3. 482 views
Vapour pressure of ideal solutions at 25c the vapour pressure of chloroform and carbon tetrachloride are 26.54 and 15.27 kpa
1. 1 answer
2. asked by Munavvar
3. 750 views
The magnetic moment (mu) values forCs2 (MnCl4), k4 (Mn (CN) 6) and K2 (Ni (CN) 4) are 5.9 , 1.8 and 0 B.M, respectively. Explain
1. 0 answers
2. asked by Munavvar
3. 751 views
Consider the uni molecular reaction cyclopropane?Propylene. The value of log A for high pressure limit is 15.17. Calculate the
1. 0 answers
2. asked by Munavvar
3. 621 views
You are staying the reaction A2 (g)+B2 (g)=2AB (g)To determine its rate law .Assuming that you have a valid experimental
1. 0 answers
2. asked by Munavvar
3. 677 views
you have to replace a copy machine and you have 2 offers. both offers 3 year leases. offer 1 requires an up-front payment of
1. 0 answers
2. asked by Sophie
3. 516 views
For the reaction 4A (g)+3B (g)=C(g) the following data were obtained at constant temperature:Experiment- 1. Initial (A) (mole/L)
1. 1 answer
2. asked by Munavvar
3. 1,645 views
Define the-half of a reaction. Explain on the molecular level why the half- life of a first-order reaction is constant
1. 0 answers
2. asked by Munavvar
3. 492 views
Find the area between the curves y=x^2 & x=2?
1. 1 answer
2. asked by Akki
3. 376 views
wht is the six symtoms of intrapersonal conflict in a person
1. 3 answers
2. asked by patricia
3. 596 views
If the temperature in problem 16.60 (25C), by what factor does the fraction of collisions with energy equal to or greater that
1. 1 answer
2. asked by Munavvar
3. 693 views
The people of Brazil can best be decribed asA Primarily indigenous in descent B largely of the white European ancestry C
1. 2 answers
2. asked by Jack
3. 788 views
a projectile is fired from the ground level with a velocity of 500ms at 30 degree to the horizontal. Determine 1 it's horizontal
1. 1 answer
2. asked by babagana
3. 523 views
an anti aircraft gun fires at an elevation of 60 degree at an enemy air at 10.000 m above the ground. AE what speed must
1. 0 answers
2. asked by Anonymous
3. 502 views
Is traditional african marriage an advantage for man only? Write a reason
1. 1 answer
2. asked by Nonjabuloh
3. 479 views
To what extent can intrapersonal conflict affect communication relationships
1. 2 answers
2. asked by Lerato
3. 752 views
the water in a 0.5 km wide river is flowing at 5 m/sec from west to east. a man row a boat with a velocity of 13 m/sec in a
1. 1 answer
2. asked by ali
3. 705 views
I like baseball, it teaches me about the sport and it’s also fun.
1. 1 answer
2. asked by Andrew
3. 488 views
The people of Brazil can best be decribed asA Primarily indigenous in descent B largely of the white European ancestry C
1. 1 answer
2. asked by Jack
3. 584 views
Revise the following word groups to remove all fragments and/or parallelism errors.I like baseball because it is fun and teaches
1. 2 answers
2. asked by Andrew
3. 549 views
how geography affects the way of life in japan
1. 1 answer
2. asked by rosie
3. 605 views
A 2302 kg block of granite is pulled up an incline that has an angle of inclination of 17.0 o with a constant speed of 2.22 m/s
1. 1 answer
2. asked by Lauren
3. 604 views
an arrow is shot into the air with an initial velocity of 100m is at elevation of 60 degree find.a the time of flight b the
1. 4 answers
2. asked by Anonymous
3. 1,508 views
why did the mongol dynasty collapse
1. 1 answer
2. asked by rosie
3. 497 views
Define the-half of a reaction. Explain on the molecular level why the half- life of a first-order reaction is constant
1. 0 answers
2. asked by Munavvar
3. 611 views
A multiple- choice quiz contains 5 questions with 4 choices for each answer. A student passes the quiz if they get at least an
1. 0 answers
2. asked by Kaela
3. 1,578 views
describe the food people achievements inventions art and architecture of china under kublai khan
1. 1 answer
2. asked by rosie
3. 512 views
I removed your post because you included personal contact information. That is not a safe thing to do online.--------------- Ask
1. 1 answer
2. asked by Writeacher
3. 689 views
A solid cylinder is pivoted at its center abouta frictionless axle. A force is applied to the outer radius of 1.27 m at an angle
1. 0 answers
2. asked by Caleb
3. 884 views
3m/4n * 2n/5m^2
1. 1 answer
2. asked by M
3. 297 views
Find the area of the shaded region, bounded by the parabola 16y=5x^2+16 and the lines y=0, y=6, and x=5.I broke the figure up
1. 1 answer
2. asked by Lyndsay
3. 829 views
How will the balancing length of a potentiometer be affected if resistance in the primary cell is increased or decreased?Will
1. 0 answers
2. asked by vin
3. 455 views
I am solving a problem and have -cos(a)=-1/2. How do I solve for a?
1. 1 answer
2. asked by Lyndsay
3. 349 views
find the volume generated by revolving the area bounded by y=-x^3, y=0, and x=-2 about the line x=1.I know how to the solve the
1. 1 answer
2. asked by anonymous
3. 533 views
how to summarize statistic assumption
1. 1 answer
2. asked by blue
3. 394 views
Need Help!1. Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2
1. 2 answers
2. asked by Jennie
3. 1,337 views
A principle of green chemistry is that the energy requirement of industrial processes should have minimal environmental impact.
1. 1 answer
2. asked by Munavvar
3. 623 views
At body temperature (37C), K of an enzyme-catalyzed reaction is 2.3x10^14 times greater than k of the uncatalyzed reaction.
1. 1 answer
2. asked by Munavvar
3. 2,148 views
Expand to the general case to explore how the cross product behaves under scalar multiplication k (a x b) = (ka) x b = a x (kb).
1. 1 answer
2. asked by Teejay
3. 636 views
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.050 s, during which
1. 0 answers
2. asked by Cetris
3. 563 views
For each one of the following figures, identify if it is a valid CDF. The value of the CDF at points of discontinuity is
1. 1 answer
2. asked by RVE
3. 4,320 views
Amite wants to make a mold for a candle. She wants the shape of the candle to be a rectangular prism with a volume of exactly 23
1. 1 answer
2. asked by Anonymous
3. 589 views
In diving to a depth of 785 m, an elephant seal also moves 410 m due east of his starting point. What is the magnitude of the
1. 0 answers
2. asked by Cetris
3. 616 views
Even when a mechanism is consistent with the rate law , later experimentation may it to be incorrect or only one of several
1. 0 answers
2. asked by Munavvar
3. 794 views
Hey, I'm studying for my physics class, and I'm not sure how to solve this problem. Can someone walk me through it please? I'd
1. 0 answers
2. asked by James
3. 720 views
raymond wants to make a box that has a volume of 360 cubic inches. He wants the height to be 10 inches and the other two
1. 2 answers
2. asked by Anonymous
3. 646 views
Acetone is one of the most important solvents in organic chemistry, used to dissolve everything from fats and waxes to airplane
1. 1 answer
2. asked by Munavvar
3. 3,006 views
A 42 kg man stands on a bathroom scale in an elevator. Starting from rest at the bottom floor, the elevator ascends, attaining
1. 1 answer
2. asked by James
3. 860 views
I was given this infor=1.5 m d=3 m F= 50 N angle= 110 degrees 3. The attempt at a solution T=Fsin T= (1.5)(50)sin(110) T=70 J
1. 0 answers
2. asked by Teejay
3. 380 views
Can someone help me with this problem? It requires a lot of visualizing and I've never been great at problems like that.A pair
1. 0 answers
2. asked by James
3. 650 views

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