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Farah

Questions (101)

The length of a picture frame is 6 inches more than the width. For what values of x is the perimeter of the picture frame
1. 1 answer
2. 591 views
Find the sum to be invested now at 6% compounded monthly so as to accumulate RM8 888 in three years
1. 2 answers
2. 1,081 views
Class 11.Textbook is reflection. Chapter is the gentleman of the jungle. Do you think the story can be read as a political
1. 2 answers
2. 949 views
Class 11.Textbook is reflection. Chapter is the gentleman of the jungle. Every fable ends with a moral . What moral do you find
1. 1 answer
2. 1,196 views
Class 11.Textbook is reflection. Chapter - the gentleman of the jungle. Do you agree with the action of the man at the end . Why
1. 10 answers
2. 6,368 views
Explain the difference between Type 1 (T1DM) and Type 2 (T2DM) diabetes. What are thecommon risk factors associated with T2DM?
1. 1 answer
2. 781 views
Catcher and The RyeTo what extent is Holden responsible for his own loneliness?
1. 1 answer
2. 569 views
The weights of 1,000 men in a certain town follow a normal distribution with a mean of 150 pounds and a standard deviation of 15
1. 2 answers
2. 4,020 views
The mean of a normally distributed data set is 12, and the standard deviation is 2.___% of the data points lies between 8 and
1. 1 answer
2. 2,214 views
An ideal mixing (total volume inlet = total volume outlet) of two incompressible fluids which is between water and methanol (SG
1. 1 answer
2. 718 views
2. Air enters a converging nozzle at 3.5 m/s at 1.2 kg/m3. The inlet area is 5 cm2. If the outlet area is 1.7 cm2 and velocity
1. 0 answers
2. 766 views
The slender bar AB weights 8 kg and moves in the xy plane, with its ends constrained to follow the smooth horizontal and
1. 2 answers
2. 625 views
Approximately 5% of children develop chronic bronchitis in the first year of life. In a group of 20 children, find the
1. 1 answer
2. 478 views
Researcher wants to estimate the proportion of Canadians that are over the age of 65, accurate to within 2% using a 95%
1. 1 answer
2. 538 views
HELPPlease help me what this quotes mean then I have to write WHAT I think about it. i already get eight of them but idont get
1. 0 answers
2. 406 views
Please help me what this quotes mean then I have to write WHAT I think about it. i already get eight of them but idont get rest
1. 0 answers
2. 369 views
Please help me what this quotes mean then I have to write WHAT I think about it. i already get eight of them but idont get rest
1. 0 answers
2. 501 views
I am doing my bachelors in forensic science semester two...I would like to know any common topics one may write over 30pages for
1. 1 answer
2. 704 views
The explosive residue contains carbon, hydrogen and nitrogen where the percentage of nitrogen is high, calculate it from 0.5g of
1. 1 answer
2. 575 views
A particle moves on the x-axis with an acceleration, 246msta. Find the position and velocity of the particle at
1. 1 answer
2. 1,038 views
y(t) = -0.2451 cos 4t + 0.9804 sin 4t + e^(-3t ) (A cos⁡〖t+B〗 sin⁡〖t)〗y'(t) = ?
1. 1 answer
2. 527 views
31. Carbon monoxide reacts with hydrogen gas to produce a mixture of methane, carbon dioxide, and water. (This mixture is known
1. 1 answer
2. 2,023 views
29. Consider the following chemical equations and their enthalpy changes.CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) ΔH = −8.0 ×
1. 1 answer
2. 633 views
22. The rate of a chemical reaction is dependent on its ΔH. Do you agree or disagree with this statement? Briefly justify your
1. 1 answer
2. 759 views
i need help with the below question, i have tried answering it, but do not know where to go after the equations, please start me
1. 2 answers
2. 867 views
I need help understanding by boron does not follow the ionization trend across the period is lower than the first two elements
1. 1 answer
2. 805 views
is the below the correct electronic configuration for arsenic?Arsenic:[Ar]4s23d104p3
1. 1 answer
2. 701 views
I have a revision question which i do not understand please help me out:45. Explain the following observations: motor oil pours
1. 1 answer
2. 501 views
How do you use a Lewis Structure to find the oxidation state of an element. I have this question using the oxidation rule i got
1. 3 answers
2. 1,635 views
i did an experiment where we titrated HCl on calcium hydroxide, and now i am confused with the calculations, i do not know if i
1. 1 answer
2. 694 views
Write the chemical equation for the complete combustion of each fuel. Then find the enthalpy of combustion, ΔHcomb, of each
1. 1 answer
2. 1,669 views
When a vehicle is parked in the sunlight on a hot summer day, the temperature inside can approach 55°C. One company has
1. 1 answer
2. 723 views
58. When a vehicle is parked in the sunlight on a hot summer day, the temperature inside can approach 55°C. One company has
1. 0 answers
2. 668 views
(a) Calculate [NO2] at each time interval, based on [O2]. Assume initial [NO2] = 0.0 mol/L.how do i calculate NO2 at this time
1. 0 answers
2. 505 views
(a) Calculate [NO2] at each time interval, based on [O2]. Assume initial [NO2] = 0.0 mol/L.how do i calculate NO2 at this time
1. 0 answers
2. 535 views
Hydrogen is a very appealing fuel, in part because burning it produces only non-polluting water. One of the challenges that
1. 2 answers
2. 774 views
Hydrogen is a very appealing fuel, in part because burning it produces only non-polluting water. One of the challenges that
1. 1 answer
2. 784 views
9. The total amount of energy released from the chemical bonds of glucose is 2870 kJ/mol, after the initial investment of 2 ATP.
1. 0 answers
2. 659 views
The process of glycolysis is thought to have emerged very early in the origins of life. What evidence to support this theory can
1. 0 answers
2. 565 views
From experience, you know that you produce significantly more heat when you are exercising than when you are resting. Scientists
1. 1 answer
2. 499 views
A healthy human body maintains a temperature of about 37.00C. Explain how physical, chemical and nuclear processes all
1. 0 answers
2. 670 views
A healthy human body maintains a temperature of about 37.00C. Explain how physical, chemical and nuclear processes all
1. 0 answers
2. 664 views
N2 + O2 = 2NO enthalpy change = +180.6kJc) what is the enthalpy change for the formation of one mole of nitrogen monoxide? d)
1. 1 answer
2. 1,028 views
Distinguish between the view of matter and energy in microscopic world and view matter and energy in the quantum mechanical
1. 1 answer
2. 641 views
What are the characteristic flame color for sodium, potassium, barium, copper, strontium, and calcium? Explain why?Ans: i know
1. 2 answers
2. 5,685 views
I am asked to draw lewis strcutures of the following molecules and ionsSF6, BrF5, XeF4, PF5 and IF4-. I have to follow a
1. 1 answer
2. 552 views
Draw Lewis structures for each of the following ion: CO3 (2-)I tried this method below, i do not know where am i going wrong,
1. 1 answer
2. 924 views
The following data lists the ionization energies for a given atom: IE1 = 738Kj/mol; IE2 = 1451Kj/mol; IE3 = 7733Kj/mol. Predict
1. 0 answers
2. 765 views
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is
1. 0 answers
2. 582 views
The following data lists the ionization energies for a given atom: IE1 = 738Kj/mol; IE2 = 1451Kj/mol; IE3 = 7733Kj/mol. Predict
1. 0 answers
2. 926 views
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is
1. 1 answer
2. 1,216 views
Use Amending formula, rule of law and civil law individually in sentences.Please help me form sentences, i cannot crack my brain
1. 0 answers
2. 580 views
Calculate the density of earth and its density errord=m/v where m = 6.00*10^24kg and v = (4/3)(pi)(6359000)^3 = 1.07709...*10^21
1. 1 answer
2. 590 views
Calculate the density of earth and the density error.i got the answer 5.57*10^3k +/- 9.60 *10^7kg/m is that the correct answer?
1. 1 answer
2. 432 views
The molar mass of cupric chloride is 134.45g/mol. What is the mass, in grams, of 8.19*10^-3 mol of this compound?
1. 1 answer
2. 536 views
A piece of iron wire weighs 2.225g. It is dissolved in acid, which oxidizes the iron to iron(II), and made up to 250 mL. A 25mL
1. 0 answers
2. 780 views
I need some continuities and changes in economy in the islamic world from 600-1750 AD, please help? Just a list would be fine
1. 0 answers
2. 436 views
A beam of electron is accelerated by a potential difference of 2.5okV. The electrons are then allowed to pass into a magnetic
1. 2 answers
2. 1,043 views
A 1.5kg melon is placed on top of the post. A girl lying on the ground fires a 500g arrow at ground level with velocity of
1. 1 answer
2. 627 views
Points A and B are 13.0 apart. A charge of +8.0mu is placed at A and another charge at +5.0mu is placed at B. Point P i located
1. 0 answers
2. 732 views
If a sled reaches the base of the hill with a speed of 15.6m/s, how much work was done by the snow on the sled between points x
1. 4 answers
2. 821 views
In a head dip bungee jump from abridge over a river, the bungee cord is fastened to the jumpers ankles. The jumper then steps
1. 1 answer
2. 2,388 views
A student flings a 23g ball of putty at a 225g cart sitting on a slanted air track that is 1.5m long. The track is slanted at an
1. 4 answers
2. 1,705 views
Car A, with mass of 1735kg, was traveling north at 45.5km/h and car B, with a mass of 2540kg, was traveling west at 37.7km/h
1. 2 answers
2. 1,294 views
The mass of a uranium-238 atom is 3.95*10^-25kg. A stationary uranium atom emits an alpha particle with a mass of 6.64*10^-27kg.
1. 1 answer
2. 916 views
A star at the edge of the Andromeda galaxy appears to be orbiting the center of that galaxy at the speed of about 200km/s. The
1. 1 answer
2. 675 views
A sharpshooter shoots the bullet horizontally over level ground with a velocity of 300m/s. At the instant that the bullet leaves
1. 4 answers
2. 1,804 views
a) Find a function y=f(x) that satisfies the differential equation dy/dx = fifth derivative.This is one of the questions in my
1. 1 answer
2. 786 views
Let f(x)= (1/b)^x for b>1, and left g(x) = (f'(x))/(f(x))a) Predict the shape of the graph of g(x). it will be a straight line,
1. 1 answer
2. 586 views
h(t) 0.6cos(2t) + 08 sin(t)h'(t) = v(t) = -1.2sin(2t) + 0.8cos(t) find the vertical displacement when the velocity is 0.8m/s how
1. 1 answer
2. 734 views
An oceanographer measured a set of sea waves during a storm and modelled the vertical displacement of waves in meters using the
1. 2 answers
2. 3,744 views
An oceanographer measured a set of sea waves during a storm and modelled the vertical displacement of waves in meters using the
1. 1 answer
2. 754 views
An oceanographer measured a set of sea waves during a storm and modelled the vertical displacement of waves in meters using the
1. 1 answer
2. 662 views
For a double-slit interference, what would happen to the distance between the bright fringes if you:a) Decreased the distance
1. 0 answers
2. 507 views
a) Describe the emission spectrum of a hydrogen discharge tubeb) Explain why different color lines appeared in different
1. 0 answers
2. 698 views
A Pyrex flask in a refrigerator at -8 degrees Celsius is filled to the top and holds exactly 1000cm^3 of ethyl alcohol.If the
1. 0 answers
2. 925 views
a) Describe the emission spectrum of a hydrogen discharge tubeb) Explain why different color lines appeared in different
1. 0 answers
2. 542 views
For a double-slit interference, what would happen to the distance between the bright fringes if you:a) Decreased the distance
1. 0 answers
2. 560 views
Please give me loads of examples of socio-cultural norms
1. 2 answers
2. 500 views
a) Find an equation of a line that is tangent to y=2sinx and whose slope is a maximum value.b) Is there more than one solution?
1. 2 answers
2. 3,307 views
y=8cos((1/2)x)+10dy/dx = -4sin((1/2)x) What is the maximum slope from 0 - 4(pi)? I tried equating the endpoints, but it does not
1. 1 answer
2. 500 views
a) Do you believe that some current accepted scientific models or theories might be held in high regard because of the structure
1. 0 answers
2. 457 views
Describe how the wavelets that form in the wavefront apparently vanish behind it?
1. 0 answers
2. 341 views
Sound, a form of energy can be modeled by using two distinctly different approaches.a) Describe the propagation of sound energy
1. 0 answers
2. 543 views
a) Do you believe that some current accepted scientific models or theories might be held in high regard because of the structure
1. 0 answers
2. 529 views
Describe how the wavelets that form in the wavefront apparently vanish behind it?
1. 2 answers
2. 431 views
Sound, a form of energy can be modeled by using two distinctly different approaches.a) Describe the propagation of sound energy
1. 0 answers
2. 546 views
Sound, a form of energy can be modeled by using two distinctly different approaches.a) Describe the propagation of sound energy
1. 0 answers
2. 586 views
Describe how the wavelets that form in the wavefront apparently vanish behind it?
1. 1 answer
2. 510 views
a) Do you believe that some current accepted scientific models or theories might be held in high regard because of the structure
1. 0 answers
2. 509 views
The planet Neptune has gravitational field intensity of 10.3nékg at a height of 1.00*10?6m above its surface. If the radius of
1. 0 answers
2. 520 views
What is the centripetal acceleration of a satellite orbiting Saturn at the location exactly on Saturn radius above the surface
1. 1 answer
2. 1,629 views
Two 2.0g spheres are attached to each end of a silk thread 1.20m long. The spheres are given identical charges and the midpoint
1. 1 answer
2. 1,928 views
A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it
1. 0 answers
2. 979 views
find the 1st derivative of f(x) = x/(x-1)2Is the 1st derivative f'(x)= -x-1/(x-1)^3
1. 1 answer
2. 966 views
A particle accelerated by a potential difference enters a velocity selector. The particle travels staright when the magnetic
1. 3 answers
2. 958 views
how does a cloud that is charged with electrons form? What is the charge (positive or negative) of such cloud?
1. 1 answer
2. 498 views
A car of mass 600 kg is travelling at 10m/s. when brakes are applied, it comes to rest in 10 M.what is the average force exerted
1. 7 answers
2. 2,576 views
What is cultural landscape analysis?
1. 2 answers
2. 549 views
How oil is obtained?
1. 1 answer
2. 438 views

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