Homework answers and tutorials

Waiting for answer What is the average kinetic energy of the molecules in a gas...
The average kinetic energy of the molecules is 5.66 × 10⁻²¹ J. According to Kinetic Molecular Theory, the average kinetic energy of gas molecules is a function only of temperature. The formula is ##KE = 3/2kT## where ##T## is the Kelvin temperature and ##k## is Boltzmann's constant. ##KE = 3/2...
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Waiting for answer Which group did Richard Nixon refer to as the silent majorit...
US citizens who supported Nixon's policies but were not politically vocal The "silent majority" was a term that was coined by President Richard Nixon during a nationally televised ad...
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Waiting for answer Why did the Senate, led by Henry Cabot Lodge, oppose U.S. me...
Henry Cabot Lodge feared that joining the League of Nations would create international alliances that could embroil the United States into future wars that would not serve America's interests....
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Waiting for answer Besides breaking down food, what else does the digestive sys...
The digestive system also packages food and turns it into waste, readying it for disposal through the anus. Besides breaking down food, the digestive system packages the food and tur...
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Waiting for answer What is a solid formed from liquid reactants during a chemic...
It is called a precipitate. in solution may react to form other compounds whose solubility in the liquid medium is less than that of the original compounds. When this occurs the ne...
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Waiting for answer How do cytokinesis and telophase differ?
Cytokinesis is the process in which the pinches inward, eventually producing two complete daughter cells. It starts in telophase. Telophase is the last phase of mitosis, which is a...
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Waiting for answer Explain why the atoms in neon gas do not join up in the same...
Because they already have a stable . Hydrogen atoms bond together to form hydrogen molecules because they gain a stable by doing so. A hydrogen atom, which only has one electron...
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Waiting for answer What is the Lewis structure of NH3?
Important to note is the lone electron pair on nitrogen.
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Waiting for answer Does reproductive isolation apply to humans?
it is not possible. reproductive isolation are mechanisms and processes that prevent two species to form a fertile offspring. In humans this is impossible, a population may be isolat...
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Waiting for answer How many mL is 1.06 L of water equivalent to ?
##1.06l xx1000 = 1060ml## To convert litres to millilitres, you multiply by 1000. If you convert to a smaller unit, the number gets bigger. ##1.06l xx1000 = 1060ml##
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Waiting for answer One inch is ##1/12## of a foot. Eunice has a puppy that is #...
Answer is 9 inches. If one inch is 1/12 of a foot, then 1 ft = 12 inches Through unit conversion, ##(3/4)(12)=9## inches
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Waiting for answer How many moons does Uranus have?
Uranus has 27 known moons These are: Cordelia Ophelia Bianca Cressida Desdemona Juliet Portia Rosalind Cupid Belinda Perdita Puck Mab Miranda Ariel Umbriel Titania...
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Waiting for answer How do you use a calculator to evaluate the expression ##log...
##log 12 ~~ 1.0792## Since I remember (as is useful to remember): ##log 2 ~~ 0.30103## ##log 3 ~~ 0.47712125## I can calculate: ##log 12 = log (2*2*3)## ##color(white)(log 12...
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Waiting for answer A train comes to a stop in 3 minutes. if the train had a uni...
initial velocity of the train is ##630 ms^1## Given the formula of , ##a = (v  u)/t## So firstly, what we have to do is we have to list down all the known information. Therefore,...
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Waiting for answer What is the formula for the radius of a semicircle?
If given the area: The normal area of a circle is ##A=pir^2##. Since a semicircle is just half of a circle, the area of a semicircle is shown through the formula ##A=(pir^2)/2##. We can solve for ##r## to show an expression for the radius of a semicircle when given the area: ##A=(pir^2)/2## ##2A...
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Waiting for answer What is the circumference of the sun at its equator?
Diameter of Sun at equator is 1392530 kilometers. Formula for circumference is Pi x D Pi=3.14285 x 1392530.=4376522 kilometers..
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Waiting for answer What are examples of non real numbers?
Any complex number of the form ##a+bi##, where ##a## and ##b## are real numbers and ##b ne 0##, are non real numbers. I hope that this was helpful.
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Waiting for answer What is the greatest common factor of 15, 30, and 45?
##15##. All of these numbers are divisible by ##15##, and ##15## is ##15##'s largest factor, so it must be the . ##15/15=1##. ##30/15=2##. ##45/15=3##.
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Waiting for answer How do you convert 12 kilograms to pounds using 1 kg = 2.2 l...
##26.4## lbs Conversions are always in direct proportion. More of one quantity means more of the other. Set up equivalent fractions and make sure you match the corresponding values...
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Waiting for answer If the measure of each interior angle of a regular polygon i...
The polygon will have 40 sides. The measure of the interior angles of a polygon is determined by the formula ##((n  2)180)/n## = interior angle measure were ##n## is the number...
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