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3 years ago

In an active solar system, a water or hydronic substance is heated in a solar collector. What is a hydronic substance?

Physics

2 answers:

sertanlavr [38]3 years ago

3 0

I'm pretty sure it's a liquid based substance.

Tanzania [10]3 years ago

3 0

Answer:

When a liquid is used as a medium to transfer heat to heat a system, it is called hydronic.

Explanation:

Solar collector is used to collect the radiation (heat) coming from the sun Heat from the sun is collected and is used to heat a substance like water.

When a liquid is used to heat or cool a system, it is said to be hydronic. Hydro is related to water. Any liquid system can be called hydronic. Water, glycol, liquid mineral water etc are used as the liquid heat transfer medium.

To summarize, when a liquid based system is used to transfer heat to heat a system, it is called hydronic. Hydro is a term related to water.

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d1i1m1o1n [39]

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5 0

1 year ago

A person travels by car from one city to an-

Mademuasel [1]

<h2>Answer:</h2>

<h2>Explanation:</h2>

First, let's refer to the distance formula:

$d=v*t$ , where d is distance, v is velocity or speed and t is time.

Now, let's find the distance covered by each individual speed that the car had:

<h3>1. Speed 1.</h3>

In order to use the formula, we need to convert minutes into hours since the speed is given in km/h.

21.1 min/60= 0.35 h.

Now, apply the distance formula.

d=(0.35h)*(86.8km/h)= 30.38 km.

<h3>2. Speed 2.</h3>

Convert minutes to hours again and do the same calculations.

10.6min/60=0.18h

d=(0.18h)*(106km/h)= 19.08 km.

<h3>3. Speed 3.</h3>

36.5min/60= 0.61h

d=(0.61h)*(30.9km/h)= 18.85 km.

<h3>4. Obtain the total distance.</h3>

The total distance must be given by the addition of all individual distances traveled by the car on each speed:

Total distance= 30.38 km + 19.08 km + 18.85 km= 68.31 km.

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2 years ago

In both ionic and molecular bonds, the resulting compound is stabilized because

frosja888 [35]

Answer: In both ionic and molecular bonds, the resulting compound is stabilized because each atom's outer electronic orbital is full.

Explanation:

Molecular bonds are also called covalent bonds. A covalent bond is formed by sharing of electrons between two or more atoms.

For example, atomic number of hydrogen is 1 and atomic number of nitrogen is 7 (2, 5). In order to attain stability hydrogen atom needs to gain one electron whereas nitrogen needs to gain 3 electrons.

Hence, 3 atoms of hydrogen chemically combine with one atom of nitrogen by sharing electrons and thus it forms the compound $NH_{3}$ .

Ionic bonds are the bonds formed by transfer of electrons from one atom to another.

For example, atomic number of sodium is 11 (2, 8, 1) and atomic number of chlorine is 17 (2, 8, 7). In order to attain stability sodium needs to lose one electron whereas chlorine needs to gain one electron.

Hence, when sodium combines chemically with chloride then sodium will transfer its 1 valence electron to the chlorine atom and thus it forms the compound NaCl.

Therefore, we can conclude that in both ionic and molecular bonds, the resulting compound is stabilized because each atom's outer electronic orbital is full.

7 0

3 years ago

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White raven [17]

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3 years ago

Water is flowing through a channel that is 12m wide with a

Alexus [3.1K]

Answer:

Velocity from second channel will be 1.6875 m/sec

Explanation: