Homework answers and tutorials

Waiting for answer What are the charges of transition metals on the Periodic ta...
The transition metals don't have specific charges. Only those 3 do however. In the Image above
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Waiting for answer What is the difference between contact metamorphism and regi...
Contact metamorphism is a highly localized kind while regional is more widespread. Contact metamorphism usually happens when an intrusive body (molten igneous mass) penetrates overlying rocks. The high temperature of the intrusive brings about metamorphism around the contact areas and sometimes new...
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Waiting for answer What are some examples of imprinting?
I'm assuming you're question refers to filial imprinting, or imprinting of offspring onto a parent. I think the most common and wellused example of imprinting would be ducks like in the photo below. Other animals that imprint include chicken and geese. The movie Fly Away Home is about imprinting....
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Waiting for answer What is the square root of 150 in simplified radical form?
##sqrt(150) = 5sqrt(6)## Since ##150 = 25*6##, ##sqrt(150) = sqrt(25*6)=sqrt(25)*sqrt(6)=5sqrt(6)##
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Waiting for answer How do you write a participle phrase?
see below A participial phrase starts with a participle and is usually followed by a prepositional phrase. Ex: frightened by the thunder participle : frightened prepositional ph...
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Waiting for answer Which way does the earth rotate on its axis?
Looking from North Pole, it is anticlockwise. Looking from South Pole, it is clockwise.
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Waiting for answer What are examples of rhyme scheme?
There are several different types of rhyme schemes, but I'll just cover the basics! Example 1: The cat is brown, The golden crown. The brown dog, The fat log. See how brown and crown...
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Waiting for answer What is the definition of a black hole?
A black hole is defined as a region of spacetime, which has an intense gravitational field such that no matter or radiation can escape. A black hole is a place where matter has col...
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Waiting for answer Who is Gregor Mendel?
Gregor Mendel is the Father of Genetics Mendel is an Augustinian monk and during his free time in the monastery, he researched about the transmission of hereditary traits using gard...
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Waiting for answer What is the difference between acetal and ketal ?
Acetal has an aldehyde functional group, and a ketal has a keytone functional group. They differ by whether the carbon bonded to the oxygen atom, is also bonded to another carbon (keytone) or a hydrogen (aldehyde).
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Waiting for answer What is the oxidation number of Cr in Cr2(SO4)3?
Should be ##Cr^"+3"##. With finding , you have to know the common oxidation states of an element. There might be some little algebra involved. (1) Fast answer: the sulfate ion (##SO...
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Waiting for answer Why did some states want a bill of rights added to the Const...
They were afraid of a strong government that voided them of their personal freedoms. Many states, particularly the South, were afraid that the Constitution would reflect a strong gov...
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Waiting for answer Why no numeral is needed as a prefix in the naming of butana...
No numeral is needed in the naming of butanal and butanone because, in each case, only one number is possible. The structural formula of butanal is We don't need to number the aldehyde group, because it cannot be anywhere else except C1. If the C=O were on the left hand end, that would become C...
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Waiting for answer Find the equation of the straight line with positive gradien...
##y=2x4## The given line is ##3yx+1=0## ....(i) Now, the general equation of a straight line is: ##y=mx+c##, where 'm' is the slope of the line with respect to the +ve direction o...
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Waiting for answer What is the relationship between 1) A.M.U and gram, 2) Mole...
AMU, or Atomic Mass Unit, is a way of bridging the gap between grams and something so small we cant even see. Lets take Carbon, ##C##, for example. If you look on the periodic table, Carbon has the atomic mass of 12. That means that one carbon atom weighs 12 AMU. To make it simple, 1 Mole of Carb...
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Waiting for answer How many kilometers are in 100 meters?
There are ##1/10## kilometer in ##100## meters. ##1000## meters make ##1## kilometer hence ##1## meter makes ##1/1000## kilometer and ##100## meters make ##1/1000xx100=100/1000=1/1...
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Waiting for answer Six friends share 4 sandwiches equally. What fraction of a s...
The same thing but from a different stand point Consider the ratio written like a fraction: ##("Count of sandwiches")/("count of people") 4/6## But we need the count of sandwiche...
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Waiting for answer What is the simplest radical form of the square root of 80?
I think: ##4sqrt(5)## I would go for: ##sqrt(80)=sqrt(8*10)=sqrt(4*2*5*2)=sqrt(16*5)=4sqrt(5)##
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Waiting for answer What if Earth were the size of Jupiter? What would be diffe...
Increased gravity for one thing... Jupiter is roughly ##11## times the diameter of , so has volume about ##1300## times the volume of the Earth. If the Earth were the size of Jupite...
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Waiting for answer A sock drawer has 8 blue socks and 6 black socks. If I rando...
##24/91## Calculate first the total number of permutation possible. You select two socks so that will be: ##14*13=182## Now you must first select a blue sock then a black sock: Y...
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