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Nitella [24]
2 years ago
11

What is the name and molecular formula of the gas formed when baking soda was combined with vinegar, which you identified using

flaming and glowing splints
Chemistry
1 answer:
sammy [17]2 years ago
8 0
One of the two products of this reaction is carbonic acid (H2CO3), which immediately forms water and the gas you identified after exposure to the flaming and glowing splints. Write a balanced equation showing the decomposition of carbonic acid.
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A gas quickly expands in an isolated environment. During the process, the gas exchanges no heat with its surroundings. The proce
AysviL [449]

Answer:

e. adiabatic process

Explanation:

Adiabatic process  -

In the thermodynamic system , an adiabatic process is the one which involves no transfer of mass or heat of the substance , is referred to adiabatic process.

In this process , the temperature need not be constant ,

But only the heat is transferred into or out of the system .

Hence, from the given information of the question,.

The correct option is e. adiabatic process .

6 0
3 years ago
10. Which of the following best describes the reaction 2VO3– (aq) + Zn (s) + 8H+ (aq) → 2VO2 (aq) + Zn2+ (aq) + 4H2O (l)? ______
Oduvanchick [21]
Correct answer is option E. <span>It is a redox reaction in which Zn is oxidized at the anode, and V is reduced at the cathode.

Reason:
In above reaction, the oxidation state of VO3- is +5, while that of VO2 is +4. Thus there is reduction of V from +5 to +4
In case of Zn, oxidation state of Zn is increased from 0 to +2, Thus process is referred as oxidation. </span>
3 0
2 years ago
A candy bar has a total mass of 75.0 grams. In a calorimetry experiment, a 1.0-g sample of this candy bar was burned in a calori
geniusboy [140]
<span>a. 3.1 calories in heat were released by the burning candy bar sample b. The energy value of the sample was 3.1 Cal/g c.The total caloric content of the candy bar is 232.5 Calories, derived by multiplying the total mass of the candy bar by its fuel value per gram</span>
6 0
3 years ago
How does distance between two objects affect their gravitational force? (2 points)
prisoha [69]

Answer:

Option B: as the distance between the objects increases the Force of gravity decreases

5 0
2 years ago
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An artificial satellite in which people can have live and work for long periods is called a
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Is this astronomy? If it is, Space Station
 
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