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PilotLPTM [1.2K]
4 years ago
14

Where are protons located

Chemistry
1 answer:
Inessa05 [86]4 years ago
6 0
Alright my friend so protons along with neutrons will be found in the Nucleus <span />
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What mass of oxygen reacts when 84.9 g of iron is consumed in the following reaction: Fe+O2= Fe2O3
konstantin123 [22]
First we will calculate the number of moles of Iron:
n =  \frac{m}{M}&#10;, where n is the number of moles, m is the mass of iron in the reaction and M is the Atomic weight.
n= \frac{84.9}{55.845} = 1,52 moles of Iron.
The same number of moles of Oxygen will take part in the reaction.
So 1,52= \frac{mOxygen}{32} where 32 is the Atomical Weight of Oxygen (16 x 2).
=>mOxygen=32*1,52=48,64g
6 0
3 years ago
Read 2 more answers
A solution has a [Ag+(aq)] of 0.01 M. The chloride concentration in solution is 1 x 10-5 M. Based on the following reaction, ans
earnstyle [38]
 The value  of current  solubility  product  is calculated as  below

K =  (Ag+)( Cl-)

 Ag+  =  0.01 M
Cl-= 1 x10^-5M

K is therefore = 1 x10^-5 x 0.01 = 1 x10  ^ -7 M

The K obtained is greater  than  Ksp

that is    K>  KSp
 1x10^-7 >  1.7 x10 ^-10


will  precipitation  of AgCl form?

yes  the precipitation  of AgCl  will  be formed   since   K> KSP


7 0
4 years ago
If I have 5.6 liters of gas in a piston at a pressure of 150 kPa and compress the gas until its volume is 4.8 L, what will the n
Mashcka [7]

Answer:

P1V1 = P2V2

(1.5 atm)(5.6 L) = (x)(4.8 L) x = 1.8 atm

6 0
3 years ago
Is a physical property of matter. Density, Mass. Volume?
AlladinOne [14]

Answer:

Density

Explanation:

8 0
3 years ago
Read 2 more answers
When Oxygen in the air reacts with Iron, Iron Oxide forms.
Bess [88]

Answer:

I think its E. iron and iron oxide have the same properties if it's not e its d for sure

Explanation:

iron + oxygen → iron oxide. 4 Fe + 3 O2 → 2 Fe2O.

8 0
3 years ago
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