Science and Mathematics / Physical Sciences

is it possible to melt a wood?

Physical Sciences - Asked by Royalzany - 15 hours ago - 0 answers - 7 Views

mga epekto ng el nino?

el nino

Physical Sciences - Asked by rhaz_emon@yahoo.com - 2 days ago - 0 answers - 58 Views

Is it possible to achieve 100% efficiency of a heat engine?

Physical Sciences - Asked by Royalzany - 4 days ago - 0 answers - 16 Views

Volumetric analysis?

How many grams of Oxalic Acid , H2C2O4*2H2O are required to make 1.0L(iters) of 0.5N(ormality) Solution?

Physical Sciences - Asked by mandrum65 - 6 days ago - 0 answers - 11 Views

Volumetric analysis?

A sample of iron ore are weighing 1.1255g(rams) is dissolved. All the iron is reduced to FE2+ and the soulution is titrated with 0.1520 N(ormality) KMnO4. Calculate the % Fe2O3 in the sample. (amount of KMnO4 used is 42.0 mL) Hint: Fe2O3 --> FeO

Physical Sciences - Asked by mandrum65 - 6 days ago - 0 answers - 12 Views

Volumetric Analysis question?

A 0.5500g sample of impure MgO is titrated with HCl of which 2.5 mL= 0.0650g of CaCO3. The endpoint is over-stepped on the addition of 50 mL of the acid, and the solution becomes neutral on the further addition of 2.35 mL of 0.3800N NaOH. What is the %MgO in the sample?

Physical Sciences - Asked by mandrum65 - 6 days ago - 0 answers - 18 Views

saan nag simula ang mundo..?

Physical Sciences - Asked by jerwin_15 - 6 days ago - 0 answers - 21 Views

what is the scientific meaning of plastic? is it a synthesize material or a non elastic material?

Physical Sciences - Asked by Royalzany - Answered Question - 1 answers - 28 Views

anu po ang pwedeng gamitin na formula para sa online rpg game?

Physical Sciences - Asked by jayson05 - Answered Question - 2 answers - 35 Views

what is the meaning of kinematics?mechanics?dynamics?

Physical Sciences - Asked by pink_karen06 - Unresolved Question - 0 answers - 38 Views

who is isaac newton?

Physical Sciences - Asked by pink_karen06 - Answered Question - 2 answers - 31 Views

who created the 3 law's of motion?

Physical Sciences - Asked by pink_karen06 - Answered Question - 3 answers - 39 Views

what is force?

Physical Sciences - Asked by pink_karen06 - Answered Question - 5 answers - 52 Views

give the story of sir isaac newton..?

Physical Sciences - Asked by pink_karen06 - Answered Question - 1 answers - 46 Views

what is motion?

Physical Sciences - Asked by pink_karen06 - Answered Question - 3 answers - 30 Views

what is resistance?

Physical Sciences - Asked by pink_karen06 - Answered Question - 2 answers - 17 Views

why do we have to know the time of sunrise and sunset ?

Physical Sciences - Asked by alex_dizon33 - Answered Question - 1 answers - 71 Views

Ships floats in the ocean because of the ballast that is full of air,now my question is: Will the...?

Physical Sciences - Asked by Royalzany - Answered Question - 2 answers - 65 Views

my lucky no.?

is three

Physical Sciences - Asked by aprilsoria86 - Answered Question - 2 answers - 45 Views

paano gumawa ng ibaby thesis' ?

Physical Sciences - Asked by nhics_me - Unresolved Question - 0 answers - 29 Views

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