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aleksandr82 [10.1K]
3 years ago
6

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

Chemistry
2 answers:
erma4kov [3.2K]3 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]3 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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Exposure of silver Chloride to sunlight for a long<br>duration turns grey due to​
Tema [17]

Answer:

Exposure of silver chloride to sunlight for a long duration turns grey due to​ photolytic decomposition i.e decomposition in the presence of sunlight.

Explanation:

When silver chloride, AgCl is exposed to sunlight for a long time, it will undergo decomposition as the sunlight provides sufficient energy needed to decomposed the salt, AgCl to metallic silver and chlorine gas. This can be seen in the equation below:

2AgCl —> 2Ag + Cl2

5 0
3 years ago
Which idea did linnaeus contribute to the theory of evolution
MissTica

Answer:

Binomial Naming System

Explanation:

He was the first to use the system, he used it frequently enough for the system to be accepted and used more often by scientists. He believed that species were unable to be changed.

6 0
3 years ago
Calculate the mass of 0.00456 moles of (NH4)2SO4
Anna [14]
To find the mass you need to find the weight of a mol of the molecules by adding up the atomic mass.

N =  14.007 g/mol
H = 1.008 g/mol
S = 32.065 g/mol
O = 16 g/mol

2(14.007) + 8(1.008) + 32.065 + 4(16) = 132.143 g/mol

Now you know how much an entire mol weight you multiply it by how much you actually have 

0.00456 * 132.143 = 0.603 g
7 0
3 years ago
If you move 50 meters in 10 seconds, what is your speed? Givens: d= t= Unknown: Formula: Plug in: Solve:
marta [7]

Answer:

\huge\boxed{5 \ m/s}

Explanation:

<u>Given:</u>

Distance = S = 50 m

Time = t = 10 secs

<u>Unknown:</u>

Speed = v = ?

<u>Formula:</u>

v = S/t

<u>Plug In:</u>

S = 50 m , t = 10 secs

<u>Solution:</u>

v = 50 m / 10 secs

v = 5 m/s

Hope this helped!

<h2>~AnonymousHelper1807</h2>
6 0
3 years ago
A certain gas has a molar mass of 28.0 g mol. Calculate the mass of this gas that would fit into a 3.00 litre container at 182 k
Anna35 [415]

Answer:

5.74 gm

Explanation:

First, use the ideal gas law   PV = n RT

  to find the number of moles, then multiply by 28 g/ mole

PV = n RT    T must be in Kelvin    R = 8.314463 L kPa/(K - Mol)

                         ( make sure you use the R with the correct units!!)

182 kPa * 3 L  =  n (8.314463 ) ( 273.15+47.2)

 solve for n = .205 moles

.205 mole * 28 g/mole = 5.74 gm  

8 0
2 years ago
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