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GalinKa [24]
3 years ago
10

The tendency to combust is a chemical property. O True O False

Chemistry
1 answer:
erastova [34]3 years ago
4 0

Answer:

The correct option is;

True

Explanation:

Combustion is a chemical reaction between components of a combustion reaction which are;

1) A fuel

2) An oxidizing agent

The oxidizing agent or oxidant in a combustion reaction consist mainly of oxygen.

A combustion reaction is an oxidation and reduction (redox) heat evolving (exothermic) reaction that takes place at high temperatures and produces smoke which consists of gaseous mixture of chemicals and sometimes very small solid particles

An exothermic reaction can be classed either as rapid, spontaneous, or explosive

A spontaneous exothermic reaction is one that begins on its own in atmospheric conditions and room temperature as the heat required to begin the reaction is produced by the initial oxidation of the reacting fuel

Example of a substance that undergoes spontaneous oxidation reaction is white phosphorus.

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20 ML of a gas at 200 K is heated until the new volume is 55ML what is the final temperature of the gas
MrRa [10]

Answer:

T2 = 550K

Explanation:

From Charles law;

V1/T1 = V2/T2

Where;

V1 is initial volume

V2 is final volume

T1 is initial temperature

T2 is final temperature

We are given;

V1 = 20 mL

V2 = 55 mL

T1 = 200 K

Thus from V1/T1 = V2/T2, making T2 the subject;

T2 = (V2 × T1)/V1

T2 = (55 × 200)/20

T2 = 550K

8 0
2 years ago
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cluponka [151]

Answer:

i can relate

Explanation:

6 0
3 years ago
A certain gas is present in a 13.0 l cylinder at 4.0 atm pressure. if the pressure is increased to 8.0 atm , the volume of the g
ella [17]
<span>Boyle's Law is k = PV so Initial k = 13.0 L x 4.0 atm = 52 L atm Final kf = 6.5 L x 8 atm = 52 L atm The gas obeys Boyle's Law The answer with two significant figures separated by a comma is k = 52, kf = 52.</span>
5 0
3 years ago
Read 2 more answers
Stoichiometric calculations are based on balanced chemical equations. the reason that chemical equations must always be balanced
Roman55 [17]
<span>Answer: Chemical equations are balanced in order to: 1) satisfy the Law of Conservation of Mass, and 2) establish the mole relationships needed for stoichiometric calculations. The Law of Conservation of Mass: The Law of Conservation of Mass states that mass cannot be created or destroyed.</span>
6 0
3 years ago
In which of the pairs listed below are both compounds strong electrolytes? Are any strong acids or bases?
Ganezh [65]
<h3>Answer:</h3>

NaCl and Sr(OH)2

<h3>Explanation:</h3>
  • An electrolyte is a substance that is either in molten or aqueous form that can be decomposed by passing an electric current through it.
  • Electrolytes are classified as either strong electrolytes or weak electrolytes.
  • Strong electrolytes are either strong bases or acids which completely ionizes to give mobile ions which are responsible for conduction of electricity.
  • NaCl is a salt and Sr(OH)₂ is a strong base, both are strong electrolytes.
5 0
3 years ago
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