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s2008m [1.1K]
4 years ago
12

The isomerization reaction, ch3nc → ch3cn, is first order and the rate constant is equal to 0.46 s-1 at 600 k. what is the conce

ntration of ch3nc after 7.0 seconds if the initial concentration is 0.30 m?
Chemistry
1 answer:
elixir [45]4 years ago
3 0

Answer:

y=meme3squared

Explanation:

YEEEEEEEEEEEEEEEE

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How many grams of chlorine gas can be produced from the decomposition of 73.4
ser-zykov [4K]
1) first, we have to convert the grams to moles of AuCl3 using the molar mass of the molecule. 

molar mass of AuCl3= 197 + (35.5 x 3)= 303.5 g/mol

73.4 g (1 mol AuCl3/ 303.5 g)= 0.242 moles

2) now. let's convert moles of AuCl3 to moles of chlorine gas (Cl2) using the mole-mole ratio

0.242 mol AuCl3 (3 mol Cl2/ 2 mol AuCl3)= 0.363 mol Cl2

3) finally, we convert moles to grams using the molar mass of Cl2.

molar mass of Cl2 = 35.5 x 2= 71.0 g/mol

0.363 mol Cl2 ( 71.0 g/ 1 mol)= 25.8 grams
6 0
3 years ago
Use the ideal gas law to calculate the pressure in atmospheres of 0.21 mol of helium (He) at 16°C & occupying 2.53 L. You mu
chubhunter [2.5K]

Answer:

The answer to your question is 2.32 atm

Explanation:

Data

P = ?

n = 0.214

V = 2.53 L

T = 61°C

R = 0.082 atm L/mol°K

Formula

PV = nTR

solve for P

P = nRT/V

Process

1.- Calculate the temperature in K

°K = °C + 273

°K = 61 + 273

    = 334

2.- Substitution

P = (0.214 x 0.082 x 334) / 2.53

3.- Simplification

P = 5.86/2.53

4.- Result

P = 2.32 atm

4 0
3 years ago
What determines how hard an atom attracts electrons in a covalent bond?
Evgen [1.6K]
The electronegativity of an atom describes how much an atom attracts an electron, whether it be in a covalent bond or just on its own.
7 0
3 years ago
54:63 ratio simplest form?
MrMuchimi

Answer:

The fraction is 6/7

Explanation:

6/7 is the simplified fraction for 54/63 by using the GCD or HCF method. Thus, 6/7 is the simplified fraction for 54/63 by using the prime factorization method.

Hope this helps!!!

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3 0
3 years ago
What is the movement of electricity called
mars1129 [50]
The movement of electricity is called a Current 

hope that helps 
3 0
3 years ago
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