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Helga [31]
3 years ago
7

Tanks of compressed gas must be kept away from heat sources. If a compressed–gas tank is heated too much, it may explode and cau

se a great deal of damage. Which of the following best explains why a compressed–gas tank can explode if it is heated?
Chemistry
2 answers:
Olenka [21]3 years ago
8 0

Answer: As the gas gets hotter, the molecules gain energy and move farther apart, causing the gas to expand.

Explanation:

scoundrel [369]3 years ago
3 0
If it is heated while it is being compressed or held inside a container as such, the pressure build up while in the container  and the pressure can become so much that the container will burst.
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How is particle motion related to thermal equilibrium?
Wewaii [24]

Answer:

With billions of moving particles colliding into each other, an area of high energy will slowly transfer across the material until thermal equilibrium is reached (the temperature is the same across the material).

8 0
3 years ago
What is the reaction energy q of this reaction? use c2=931.5mev/u. express your answer in millions of electron volts to three si
Ann [662]
₉₂U²³⁵ + ₀n¹ → ₅₄Xe¹⁴⁰ + ₃₈Sr⁹⁴ + 2 ₀n¹
Mass of reactants = 235.04393 + 1.008665 = 236.052595 amu
Mass of products = 139.92144 + 93.91523 + 2* (1.008665) = 235.854000 amu
Mass defect Δ m = 236.052595 - 235.854000 = 0.198 amu
Reaction energy released Q = Δ m * 931.5
                                              = 0.198 * 931.5 = 185 MeV
5 0
3 years ago
Predict the products of the reaction below. That is, complete the right hand side of the chemical equation. Be sure your equatio
pickupchik [31]

Answer:

2 HClO₃ + Ca(OH)₂ ---> Ca(ClO₃)₂ + 2 H₂O

Explanation:

This is a double-displacement reaction. In these reactions, the cation of one molecule swaps with the cation of another.

In this case, the hydrogen cation (H⁺) from HClO₃ swaps with the calcium cation (Ca²⁺) of Ca(OH)₂. When writing the products, keep the charges of the ions in mind. The products must be neutral, so some will need to have more than 1 cation/anion.

The unbalanced equation:

HClO₃ + Ca(OH)₂ ---> Ca(ClO₃)₂ + H₂O

<u>Reactants</u>: 3 hydrogen, 1 chlorine, 5 oxygen, 1 calcium

<u>Products</u>: 2 hydrogen, 2 chlorine, 7 oxygen, 1 calcium

The balanced equation:

2 HClO₃ + Ca(OH)₂ ---> Ca(ClO₃)₂ + 2 H₂O

<u>Reactants</u>: 4 hydrogen, 2 chlorine, 8 oxygen, 1 calcium

<u>Products</u>: 4 hydrogen, 2 chlorine, 8 oxygen, 1 calcium

4 0
2 years ago
The maximum concentration set by the U.S. Environmental Protection Agency for lead in drinking water is 15 ppb.
bazaltina [42]
<span>1 part per billion is roughly 1 microgram/Liter, which is equivalent to 1 milligram per cubic meter. From there to convert 15ppb to ug is a direct shift. If the concentration is 15ppb and a Liter is consumed, a microgram of lead has been consumed.</span>
7 0
4 years ago
Predict the effect of removing chloride ions Now remove some of the free chloride ions by adding some silver nitrate (Hint: add
mixer [17]

The addition of silver nitrate will favor the forward reaction which is the precipitation of AgCl.

The addition of HCl will favor the formation of free chloride ions.

The given reaction is exothermic.

<h3>What is the effect in equilibrium when free chloride ions are removed from the precipitation reaction of silver chloride?</h3>

A precipitation reaction is a reaction in which an insoluble compound is obtained when two solutions of salt are mixed together.

In the given precipitation reaction, the equilibrium equation is given as follows:

AgNO₃ (aq)  ⇄ Ag⁺ (aq) + NO₃⁻ (aq)

Ag⁺ (aq) + Cl⁻ (aq) ⇄ AgCl

AgNO₃ (aq) + Cl⁻ (aq) ⇄ AgCl (s) + NO₃⁻ (aq)

From the equation above, the removal of the free chloride ions will favor the formation of the product, silver chloride, AgCl, and the dissociation of more AgNO₃ (aq).

The reaction is an endothermic reaction.

Now when HCl is added to the reaction, there are more the reaction will favor the dissociation of HCl to form free chloride ions as seen in the equation below:

HCl (aq) ⇄ H⁺ (aq) + Cl⁻ (aq)

The reaction is an exothermic reaction.

Learn more about endothermic and exothermic reactions at: brainly.com/question/6357350

#SPJ1

7 0
1 year ago
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