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    Hey cjlewis54, isn’t it easy you know number of atom in one mole also u know weight of one atom, ?? so multiply two number and get the answer.

    thanks

    Chemistry help

    in reply to: Matter and Measurement #10531

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    Hi, Say we need to process y kg

    Since 35.2% of the ore is Fe2O3 , Hence .352*y kg would be Fe2O3. Now in molecular weight of Fe2O3 is 159.6887 gm … and that of Fe 55.8452 , now you know that out of 159.6887 gram u ll get 55.8452 gram of Fe, so for 47 kg of Fe you need (55.8452/159.6887 * 47 ) Fe2O3 and hence you need (55.8452/159.6887 * 47 )/.35 kg of ore.

    thanks

    Assignment help

    in reply to: one of student ask me this #10524

    administrator
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    Hi forum member could you answer this question, as none has replied so far.

    Also if possible answer this question too

    Question: Is shortage the same as scarcity?

    in reply to: What is fragmentation? Different types of fragmentation? #10258

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    Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request.

    External Fragmentation: External Fragmentation happens when a dynamic memory allocation algorithm allocates some memory and a small piece is left over that cannot be effectively used. If too much external fragmentation occurs, the amount of usable memory is drastically reduced. Total memory space exists to satisfy a request, but it is not contiguous.

    Internal Fragmentation: Internal fragmentation is the space wasted inside of allocated memory blocks because of restriction on the allowed sizes of allocated blocks. Allocated memory may be slightly larger than requested memory; this size difference is memory internal to a partition, but not being used

    in reply to: What is fragmentation? Different types of fragmentation? #10256

    administrator
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    Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request.

    in reply to: What is fragmentation? Different types of fragmentation? #10253

    administrator
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    Fragmentation occurs in a dynamic memory allocation system when many of the free blocks are too small to satisfy any request. External Fragmentation: External Fragmentation happens when a dynamic memory allocation algorithm allocates some memory and a small piece is left over that cannot be effectively used. If too much external fragmentation occurs, the amount of usable memory is drastically reduced.

    in reply to: What is fragmentation? Different types of fragmentation? #10252

    administrator
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    Fragmentation is a phenomenon in which storage space is used inefficiently, reducing storage capacity and in most cases reducing the performance.

    in reply to: What is 3G ????????????????? ? #10248

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    and what is difference between 3G and 4G, can you tell me ???

    in reply to: compare the b.p of two aqueous solutions #8629

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    um…well KNOW will have less number of ion then Na2SO4 so obviously later one will have higher boiling point elevation.

    in reply to: What is the economy in Bulgaria like? #8627

    administrator
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    Economy in Bulgaria like? No way this country economy isn’t real good doing economy. Well I would not be good to comment too much about it as I don’t have to much information about this country.

Viewing 10 posts - 11 through 20 (of 26 total)