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  • Waiting for answer What is the correct symbol for an isotope of iodine with 53...

    ##""_53^131"I"## The is the number of protons in the nuclei of the element's atoms, is designated Z, and is written as a subscript in front of the element's symbol. The , A, is the...

  • Waiting for answer What happens when solid dinitrogen pentoxide is added to wat...

    It reacts with the water to form nitric acid ##"N"_2"O"_5## is the acid anhydride of nitric acid. ##"N"_2"O"_5 + "H"_2"O" → "2HNO"_3## The net ionic equation is ##"N"_2"O"_5"(s)...

  • Waiting for answer What are the isomers of C4H8?

    I count six isomers of ##"C"_4"H"_8##. An alkane with 4 carbon atoms would have the formula ##"C"_4"H"_10##. This hydrocarbon has two hydrogens less, so it must contain either a do...

  • Waiting for answer What is the importance of oxygen in the atmosphere?

    Without oxygen, ##"O"_2##, there is no animal life that requires oxygen. In order for life to survive on earth oxygen is needed for those which aerobically respire. It is used in res...

  • Waiting for answer How do you find the point (in the first quadrant) on the lem...

    The point on the lemniscate that has a horizontal tangent, in the first quadrant, is ##((5sqrt(3))/4, 5/4)##. Refer to the explanation The lemniscate equation is ##2(x^2 + y^2)^2 = 2...

  • Waiting for answer Why is the maximum density of water at 4°C?

    The maximum of water occurs at 4 °C because, at this temperature two opposing effects are in balance. In ice, the water molecules are in a crystal lattice that has a lot of empty s...

  • Waiting for answer What is the equation of the parabola that has a vertex at ##...

    ##y=11/196(x-14)^2-9## The equation of a parabola in ##color(blue)"vertex form"## is ##color(red)(|bar(ul(color(white)(a/a)color(black)(y=a(x-h)^2+k)color(white)(a/a)|)))## where (...

  • 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

  • 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...

  • 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 well-used 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....

  • 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)##

  • 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...

  • 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.

  • 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...

  • Waiting for answer What is the definition of a black hole?

    A black hole is defined as a region of space-time, which has an intense gravitational field such that no matter or radiation can escape. A black hole is a place where matter has col...

  • 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...

  • 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).

  • 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...

  • 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...

  • 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 C-1. If the C=O were on the left hand end, that would become C...

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