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Pie
3 years ago
13

Name three different properties you can test before and after a chemical reaction​

Chemistry
1 answer:
Anvisha [2.4K]3 years ago
3 0

Answer:

reactivity, flammability, and if they rust

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The primary reason some parts of Earth are hotter than other parties because the hotter parts of Earth
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Answer: the core

Explanation:

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Qué volumen ocupan 5 moles de un gas que se encuentran a 28°C y 3 atm de presión?
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<em>What volume do 5 moles of a gas occupy at 28 ° C and 3 atm of pressure?</em>

<em />

<h3>Further explanation</h3>

In general, the gas equation can be written  

\large {\boxed {\bold {PV = nRT}}}

where  

P = pressure, atm  

V = volume, liter  

n = number of moles  

R = gas constant = 0.08206 L.atm / mol K  

T = temperature, Kelvin  

n= 5 moles

T=28 +273=301 K

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The volume of the gas :

\tt V=\dfrac{nRT}{P}\\\\V=\dfrac{5\times 0.082\times 301}{3}\\\\V=\boxed{\bold{41.136~L}}

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3 years ago
How many moles of HCL are needed to react with 0.300 mol of na2 CO3​
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(b) Calculate the molarity of a solution of 4.8 mole of HCl in 600 mL of solution. ... (g) Calculate the mass of Na2CO3 that must be used to make 700 mL of a 0.136 M Na2CO3 ... (h) What mass of NaOH is needed to make 200 mL of a 0.300 M NaOH solution? ... However, when we are reacting solutions we have to convert.

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Which elements consists of a metal a matalloid and a noble gas
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