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    Sesilia Wilberd

    Student at PAGWI in TANGA

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    Sesilia Wilberd 7 years ago

    Commented on Lexy G's Post in Chemistry Discussions

    Lexy G Posted 7 years ago

    Discussion posted in Chemistry Discussions

    Solid state

    What are the changes that occurs in solid states

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    The changes can be physical of chemical changes

    JOSEPH NKUNIJ Posted 7 years ago

    Discussion posted in Chemistry Discussions

    FUEL AND ENERGY

    Explain why petroleum and coal are non-renewable resources of energy?

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    Petroleum and coal are not some of the renewable sources simply because they cannot be replaced after a very short period of time. this is because that the non renewable sources of energy take million of yrs to be made compared to resources such as solar energy and wind energy which cant finish.

    Sesilia Wilberd 7 years ago

    Commented on Xwt Loyal's Post in Chemistry Discussions

    Xwt Loyal Posted 7 years ago

    Discussion posted in Chemistry Discussions

    Wat chemistry

    The importance of studing chemistry

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    It leads to most of the interesting careers
    it answers most of our fundamental questions in life..chemistry is a branch of science that deals with composition and decomposition of matter

    Lolito Lofa Posted 7 years ago

    Discussion posted in Chemistry Discussions

    Gas laws

    (P1V1)/T1=(P2V2)/T2. Is this the general gas equation?

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    Yeaah it is the general gas equation in Charles law

    Sesilia Wilberd 7 years ago

    Commented on MAZINDE 's Post in Chemistry Discussions

    MAZINDE Posted 7 years ago

    Discussion posted in Chemistry Discussions

    Mole concept

    Why balancing chemical equation is very important during mole calculation?

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    By balancing an equation one gets to know the number of moles in a certain compound.

    Kelvin Chaula Posted 7 years ago

    Discussion posted in Chemistry Discussions

    Indicators

    Define pH scale

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    A pH scale is a scale that shoes the acidity or alkalinity of a substance

    Kelvin Chaula Posted 7 years ago

    Discussion posted in Chemistry Discussions

    Isotopes

    Define and give examples

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    Isotopes are elements with the same atomic number and the same electron number but with a different neutron number
    examples include The isotope of carbon 12,13,and,14

    Mtendo Butije Posted 8 years ago

    Discussion posted in History Discussions

    Armed struggle

    Reasons for armed struggle in mozambique and angola

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    The harsh treatment of the colonial powers toward most of the citizens.
    Land allienation that continued to grow day by day

    Sesilia Wilberd 7 years ago

    Commented on Mercy Bariki's Post in History Discussions

    Mercy Bariki Posted 7 years ago

    Discussion posted in History Discussions

    TANGANYIKA

    Explain the Impacts of Tanganyika independence

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    It created the real partiotism of its people due to the fact that they now had to work in order to attain its antiona development.
    It was a sign and courage that other African nation which were still colonised were still able to attain their independence

    Magdalena Eliakimu Posted 7 years ago

    Discussion posted in History Discussions

    The colonial ecomomy

    Colonialism ecomomy

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    Sesilia  WilberdPhoto
    Sesilia Wilberd Posted on 7 years ago

    Tis refers to a system of production an dconsuption which was based on the interests of the Europeans

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