Homework answers and tutorials

Waiting for answer Why did King George III issue the Proclamation of 1763?
Two main reasons: keep the American colonists closer to the coast and therefore easier to control, and to cut down on contact with French and Native American populations on the other side....
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Waiting for answer What are the reactants and products of aerobic cellular resp...
The reactants and products is simply the formula reversed. Since respiration used oxygen and glucose to produce energy, and also creates water and carbon dioxide, we can use the pho...
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Waiting for answer Calculate the percent ionization of Nitrous acid in a soluti...
The nitrous acid is 0.409 % ionized. We can consider this as both a buffer problem and as an example of the common ion effect. This is a buffer solution because it contains the weak acid ##"HNO"_2## and its conjugate base ##"NO"_2^##. ##"HNO"_2 + "H"_2"O" ⇌ "H"_3"O"^+ + "NO"_2^## According to...
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Waiting for answer Where does pepper come from?
From the flowering vine ##"piper nigrum"## I think that the vine was first cultivated in India. Of course it is now a integral seasoning in all world cuisines. You can put freshly...
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Waiting for answer How are electromagnetic waves different from sound waves?
The various properties of and are described below. Sound Waves: Sound waves are mechanical waves generated from vibrations within a medium. Sound can exist as longitudinal mechanical waves, which are also known as compression waves. These waves can travel through solid, liquid, gas or plasma me...
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Waiting for answer What are the 3 stages of interphase and what happens during...
i) G1 or Gap 1 phase II) S or Synthetic phase iii) G2 0r Gap2 phase Interphase is the stage in between two successive cell division. In this phase the cell synthesizing new and...
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Waiting for answer What is the chemical equation for potassium oxide + water ...
##"K"_2"O" + "H"_2"O"  2"KOH"## Potassium oxide + water produces potassium hydroxide. Potassium oxide is an ionic compound. The potassium has a charge of ##"K"^+## and oxygen has...
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Waiting for answer 30 is 15% of what number?
##200## Let ##x## be the number: Then, ##rarr15/100(x)=30## ##rarr3/20(x)=30## ##rarr(3x)/20=30## ##rarr3x=20*30## ##rarr3x=600## ##rarrx=600/3=200##
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Waiting for answer What was Benign Neglect?
Benign neglect is when a person or government ignores a negative situation that they are responsible for dealing with. An example of this is when a president is in charge of dealing...
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Waiting for answer What is the radius of a circle with circumference of 13 ft?
The radius is 2.07 ft. To solve we will be using Circumference, Diameter, radius, and Pi Circumference is the perimeter of the circle. Diameter is the distance across the circle goin...
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Waiting for answer What is the magnitude and direction of the gravitational for...
The magnitude is ##500N## and the direction is towards the center of the Earth. We normally call the gravitational force "Weight" evaluated as the product of the mass of the object (...
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Waiting for answer What is a lagoon and how does longshore drift cause the form...
Lagoon is the shallow water, low energy environment, separated by a barrier island or a reef from the open sea. Long shore drift current winnows down the sand, builds a barrier island parallel to the coast thus creates a shallow water lagoon which is not prone the open sea conditions.
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Waiting for answer What is the perimeter of a triangle with vertices located at...
Perimeter of the triangle is ##7.40## unit Side##AB=sqrt((12)^2+(36)^2)=sqrt10=3.16## Side##BC=sqrt((20)^2+(64)^2)=sqrt8=2.83## Side##CA=sqrt((01)^2+(43)^2)=sqrt2=1.41## Peri...
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Waiting for answer How do you evaluate ##arcsin(sqrt 2/2)##?
##sin (pi/4) = sqrt(2)/2## is the length of one side of the isoceles right angled triangle with sides ##sqrt(2)/2##, ##sqrt(2)/2## and ##1##, which has internal angles ##pi/4##, ##pi/4## and ##pi/2##. (##pi/4## radians = ##45^o## and ##pi/2## radians = ##90^o## if you prefer) To show this is right...
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Waiting for answer What are the potential effects of a supercell thunderstorm?
Every possible thunderstorm effect. A supercell is the largest type of thunderstorm. As such it can potentially produce all the different effects that a thunderstorm can. I will tr...
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Waiting for answer What are the two rivers that flow through the Fertile Cresce...
The Tigris and the Euphrates The "twin" rivers gathered as much history along their courses as the Tiber, the Nile and the Mississippi put together. The Neolithic settlements on th...
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Waiting for answer What is 9/2 into a mixed number?
##9/2 = 4 1/2## An improper fraction means that all the whole numbers are given as fractions. 'Counting in halves' would be: ##1/2" "2/2" "3/2" "4/2" "5/2" "6/2" "7/2"...
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Waiting for answer What does luster mean in relation to metals?
Luster means shiny surface. Metals are lustrous i.e they have shiny surface. They shine in the presence of light.
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Waiting for answer Find the equation of circle with centre (1,2),touching the...
##25x^2+25y^250x+100y131=0## Firstly we can find the perpendicular distance of the straight line ##4y3x=5## from center ##(h,k)=(1,2)## by using the equation; distance##=ah+bk+...
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