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3 years ago

What is the name of the molecule that is used to heat most of our buildings? (Chemistry)

Chemistry

1 answer:

mario62 [17]3 years ago

7 0

Answer:

Fluids (air/water) either as water vapour or oxygen and carbon dioxide.

Explanation:

Heat transfer occurs through conduction, convection or radiation.

Many aties, this involves fluids whose molecules have been activated by heated by heat, moving from hotter to cooler regions, allowing for heating or cooling of the rooms.

Building materials have varying conductivity.

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During a 4 hour trip, a boat sailed 70 km in 2 h. Then the boat did not move for 1 hour and traveled 26 km in the last hour. Wha

Lubov Fominskaja [6]

Answer:

32km/hr

Explanation:

The question asks to calculate the average speed for a boat.

Mathematically, the average speed is the total distance divided by the total time

Let’s get the total distance traveled:

That would be 70km + 26km = 96km

Now the total time taken would be 3 as the boat did not move at all for an hour.

The average speed is thus 96/3 = 32km/hr

7 0

3 years ago

Drag the tiles to the correct boxes. Not all tiles will be used.

NISA [10]

Answer:

1) Length - Meter

2) Mass - Pound

3) Time - Minute

<em>Please Mark This As Brainliest!</em>

8 0

3 years ago

Scientific models _______. a. are based on a set of observations b. are used to replace experiments c. allow the study of existi

vladimir2022 [97]

Answer:

i would say C

Explanation:

You can only make a model of something if the real thing already exists.

3 0

4 years ago

Read 2 more answers

The metals in Groups 1A, 2A, and 3A ____. a. gain electrons when they form ions c. all have ions with a 1+ charge b. all form io

vagabundo [1.1K]

4A I think I'm sorry if it is wrong

7 0

3 years ago

How would you describe the strength of the bonds that result from resonance in SO3?

Sladkaya [172]

Answer:

All bonds are equivalent in length and strength within the molecule.

Gaseous SO3 is a trigonal planar molecule that exhibit a D3h symmetry group.

Sulfur has sp2 hybridization and it has 6 outer electrons which make the bonds with the oxygen.

Its constituent sulfur atom has an oxidation state of +6 and a formal charge of 0.

The Lewis structure is made up of one S=O double bond and two S–O dative bonds that doesn't not engage the d-orbitals. ( Thus, SO3 molecule has three double bonded oxygen to the central sulfur atom). This explains the strength.

It gaseous form had a zero electrical dipole moment because of the 120° angle between the S-O bonds.

Explanation:

7 0

3 years ago