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musickatia [10]
3 years ago
11

Many insulating materials contain spaces filled with air because air is what type of material

Chemistry
1 answer:
dusya [7]3 years ago
3 0
It is because air is a poor conductor of heat.
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What is invection or the definition
LUCKY_DIMON [66]

Answer:

here are some synonyms of invective are abuse, billingsgate, obloquy, and vituperation.

5 0
3 years ago
Which set of changes does not involve breaking or forming chemilcal bonds
sineoko [7]
<h2><u>Answer:</u></h2>

It wasn't an adjustment in the condition of issue on the grounds that the vitality in the can did not change. Additionally, since this was a physical change, the atoms in the can are as yet similar particles. No synthetic bonds were made or broken.  You added enough vitality to make a stage change from strong to fluid.  

The main changes recorded which don't include framing or breaking substance bonds would bubble and liquefying. Bubbling and liquefying are physical changes as opposed to synthetic changes, so no new items are shaped.

6 0
3 years ago
Sodium carbonate (Na2CO3) reacts with acetic acid (CH3COOH) to form sodium acetate (NaCH3COO), carbon dioxide (CO2), and water (
pantera1 [17]
<span>Sodium carbonate (Na2CO3) reacts with acetic acid (CH3COOH) to form sodium acetate (NaCH3COO), carbon dioxide (CO2), and water (H2O). A chemist carries out this reaction in a bomb calorimeter. The reaction causes the temperature of a bomb calorimeter to decrease by 0.985 K. The calorimeter has a mass of 1.500 kg and a specific heat of 2.52 J/g K. What is the heat of reaction for this system? What equation should I use in this case? I've written down these notes: Steps: 1. Calculate the mass of the solution in total. 2. Convert mass to volume or vice versa if needed. 3. Calculate the temperature change of the solution. 4. Calculate the energy released by the reaction.</span>
7 0
3 years ago
Read 2 more answers
For a given mass the energy released is greatest for a reaction involving...
lukranit [14]

Nuclear fusion

Explanation:

For a given mass, the energy released is greatest for a reaction involving nuclear fusion.

Nuclear reactions generally release far much more energy compared to chemical energy because they involve the interaction between strong nuclear forces. There are two main types of nuclear reactions which are fusion and fission.

Nuclear fusion powers the sun and releases the greatest amount of energy.

  • In nuclear fusion, light atoms combines to form heavier ones.
  • The reaction degenerates into chain reaction in which huge amount of energy is released.
  • This reaction occurs in the core of sun and furnishes the solar system with radiant energy.

Learn more:

Transmutation brainly.com/question/3433940

#learnwithBrainly

5 0
4 years ago
What is the predicted outcome for very low mass stars (those that are smaller than about the mass of the sun)?
White raven [17]

Answer:

In case of low-mass stars,the outer layers of the low mass stars are expelled  as the core collapses such that the outer layers form a planetary nebula.

Explanation:

In case of low-mass stars,the outer layers of the low mass stars are expelled  as the core collapses such that the outer layers form a planetary nebula. The core remains as a white dwarf and finally become a black dwarf as it cools down. A low mass star consumes its core hydrogen and turns it into helium over its lifetime.

4 0
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