• Card 9 / 112: Nitrogen gas has a pressure of 452 mm Hg. What is the pressure in atmospheres?
    A) 4.52 atm
    B) 0.595 atm
    C) 0.452 atm
    D) 1.68 atm

    Answer:
    B) 0.595 atm

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Questions & Answers

how does the symbolic work
Princess Reply
how do you work out the practicals
Ann Reply
how many grams of calcium contain atoms of calcium equal to iron atoms in 5.6g of iron
Soni Reply
what is d meaning of organic chemistry
Elizabeth Reply
it's a compound that comprises of hydrocarbon
Omoru
what iz alkanol
icha Reply
alkanol there are organic compounds with the functional group of ROH and relative molecular formula (CnH2n+1+OH)
Omoru
ok tnk u
icha
you are welcome
Omoru
Sam. A
frbsaz
What's alkaline soil
Amoo Reply
a system in which only energy is transferred between the system and the surrounding is called?
Ani Reply
which Element exhibit diagonal relationship with aluminum
Ani
following processes: Solid phosphorus pentachloride decomposes to liquid phosphorus trichloride and chlorine gas b. Deep blue solid copper(II) sulfate pentahydrate is heated to drive off water vapor to form white solid copper(II) sulfate
Hisham Reply
Ssskma
frbsaz
How to know periodic table oftend
Ahmed Reply
u can know it through singing it as song it simple
Elizabeth
or making acronyms from it
Princess
how to get atomic number of an element
Ogunleye Reply
how do you solve the examples in a much more explanatory way
Ogunleye
it seems by multiplying d number of d element by 2
Elizabeth
E.g like carbon 6*2=12 so d atomic number is 12
Elizabeth
The reaction of aceto nitrile with propane in the presence of the acid
Sskma
frbsaz
Explain this paragraph in short
Manish Reply
What is solid state?
Manish Reply
What is chemical reaction
Manish
transforming reactants to product(s)
Andre
process
Andre
solid state is composed of tightly particles and it has a definite shape and volume
Elizabeth
Example of Lewis acid
Chidera Reply
Example of Lewis acid
Chidera
Chlorine
Mikidad
Anything with an empty orbital... the hydrogen ion is the most common example. BH3 is the typical example, but any metal in a coordination complex can be considered a Lewis acid.
Eszter
okay thanks
Jovial
aluminium and sulphur react to give aluminium sulfide.How many grams of Al are required to produce 100g of aluminium sulphide
Soni Reply
aluminium and sulphur react to give aluminium sulphide how many grams of Al are required to produce 100g of aluminium sulphide?
Soni
aluminium and sulphur react to give aluminium sulphide how many grams of Al are required to produce 100g of aluminium sulphide?
Soni
2Al+3S=Al2S3
galina
m(Al)=100×27×2/150=36g
galina
150 comes from?
Soni
thank you very much
Soni
molar mass of Al2S3
galina
150.158
thiru
what's periodic table
Agnes

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Attribution:  Joanna Smithback, Ph.D. and Rachel Lerebours. General Chemistry I. The Saylor Academy 2014, http://www.saylor.org/courses/chem101/
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