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aleksandr82 [10.1K]
2 years ago
6

What are subscripts in a chemical formula and what do they stand for?

Chemistry
2 answers:
erma4kov [3.2K]2 years ago
8 0
I think they stand for how many of that element there are and then they are the little numbers on the bottom right of the letters
emmainna [20.7K]2 years ago
7 0
Subscripts are the small numbers that tell us how many atoms are in a molecule, So in H2O it would be the 2 
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An ideal gas has a density of 1.10×10−6 g/cm3 at 1.00×10−3 atm and 80.0 ∘c. identify the gas.
True [87]
From  ideal  gas  equation  that  is pv =nRt
n=
number  of  moles which  can  be  written  as  the  ratio  between the  weight  of  a gas that  is mass and  its  molecular  mass  n=m/Mm
pv=(m/Mm)RT
density  is=mass  per  unit volume
P=m/v by  arranging  the  equation  we  get
R =0.082atm/mol/k
Mm=pRT/P=[(1.10  x10^-6 x1000g/l) xo.082  atm/mol/k x(80+273] /(1.00  x10^-3) =31.84  to the  nearest ten is  32
hence  the  gas  is  oxygen 
7 0
3 years ago
The rate of a chemical reaction is related to:_______
aalyn [17]

The correct answer for this question is activation energy, orientation, and frequency.

The rate of a chemical reaction is directly related to its activation energy because the higher the activation energy the lower is the rate of reaction as we know the reaction only proceed when the reactants have absorbed the enough heat energy to reach the transition state. Thus activation energy determines the rate of reaction.

The orientation of the particles is also very important as we know that the reaction between the two reactants only occur when they collide with proper orientation in time the greater the probability of the collision the greater is the rate of reaction and also the number of collisions also determines the rate of reaction.

The frequency is directly proportional to the rate of chemical reaction as the frequency of the collision increases the rate of the chemical reaction also increases.

To know more about the factors effecting rate of chemical reaction click here:

brainly.com/question/16048169

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8 0
1 year ago
_Au2S3 + _H2---> _Au + _H2S
timofeeve [1]
The answer is A because if you place the first two numbers 1 and 3
Au=2
S=3
H=6
It has to equal to the product so then you put in the last two numbers 2 and 3
Au=2
S=3
H=6
4 0
2 years ago
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emmasim [6.3K]
The mass of Carbon-12 is 12.
8 0
3 years ago
Why is there DNA in our food?
sukhopar [10]

Answer:

probably because most of our food comes from animals-

Explanation:

3 0
2 years ago
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