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Chemistry
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Chemistry
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Questions (126)
An equilibrium mixture of the following reaction was found to have [I2]= 0.0325M at 1200 ∘C.
What is the concentration of I ?
4 answers
2,945 views
Consider the reaction:
SO2Cl2(g)⇌SO2(g)+Cl2(g) A solution is made containing initial [SO2Cl2]= 0.022M . At equilibrium, [Cl2]=
3 answers
1,927 views
Based on the data in this table, what would be the value of k at 795 K?
T k 625 1.1 x 10^-4 635 1.5 x 10^-4 645 2.0 x 10^-4 I
1 answer
442 views
can someone help me on these 2 questions so i can get an idea to do the rest of mine.
im given hydrochloric acid and a marble
1 answer
478 views
A gas mixture containing 0.400 mol He, 0.184 mol CH4 and 0.0374 mol Ne was placed in a 3.00-L flask at 301 K. What is the
4 answers
482 views
How can you prepared to benzo phenol from phenyl magnetium bromide
1 answer
317 views
Why was etching needed to bring out the grain boundaries?
My answer: Is it for the light to bounce back?
3 answers
573 views
Calculate the gram molecular mass of nitrogen if 360cc at STP weigh 0.45g.
2 answers
620 views
NaCl [Symbol] Na + Cl2
Type of reaction: synthesis KOH + HNO3 [Symbol] HOH + KNO3 Type of reaction: double replacement Ca + S
2 answers
1,301 views
How many mole are there in calcium chloride, CaCl2 (CaCl2=111).
11 answers
3,927 views
Neutralization of water containing H2SO4 and HNO3 with CaSO3.
What is the pH in water if the volume is 1000 liter and the
3 answers
436 views
How to prepare 10% sucrose solution enriched with 0.1% phenylalanine? And also how to make the stock solution of phenylalanine
2 answers
732 views
Given the equation C3H8+5O2->3CO2+4H2O.
1.)Suppose 1.5 moles of C3H8 will be used, How many moles of H2O and CO2 will be formed?
4 answers
2,205 views
For preparing a set of standard solutions of FeNCS2+, the equilibrium molar concentration of FeNCS2+ is assumed to equal the
3 answers
1,933 views
The molecules present in 5.2gms of glucose will be c6h12o6
1 answer
367 views
2.40g of copper (ii)tetraoxosulphate(iv) crystals are prepared from 0.45g of copper (ii) oxide.the copper (ii)
4 answers
2,175 views
The half-life of rubidium-87 (natural absorbance 27.83%) is 5.1x10^11 years. What mass of rubidium is present if an average
2 answers
508 views
What is the molecular geometry shape for H2GeO and is Sel2 polar or non polar. Thanks
4 answers
5,812 views
Ammonia is produced from the reaction of nitrogen to the following balanced equation
N2+3H2-2NH3
2 answers
518 views
What is the balance equation of decane
1 answer
316 views
the following values are the only energy levels of a hypothetical one electron atom:
E6= -2x10^-19J, E5= -7x10^-19L E4=
2 answers
621 views
Give one word for the following sentence:
The temperature at which a liquid completely changes into a solid when heat is removed
1 answer
12 views
What is one word for the following sentence:
The temperature at which a liquid completely changes into a solid when heat is
1 answer
14 views
Short and sweet definition of deposition
1 answer
11 views
Short and sweet definition of deposition in chemistry
1 answer
16 views
is it a physical or chemical change when dry ice sublimates?
1 answer
13 views
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