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dedylja [7]
3 years ago
15

Infrared in __________controls

Chemistry
1 answer:
svetlana [45]3 years ago
8 0

Answer:

remote

Explanation:

i hope it helps

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What subatomic particle determines how an element reacts with another element?
Amanda [17]
Hello my friend,
No. of valence electron determine the reaction between elements.
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4 0
3 years ago
What is the theoretical yield of vanadium, in moles, that can be produced by the reaction of 1.0 mole of V2O5 with 4.0 mole of c
yuradex [85]

Answer:

Theoretical moles of V are 1.6 moles

Explanation:

The theoretical yield of a reaction is defined as the amount of product you would make if all of the limiting reactant was converted into product.

In the reaction:

V2O5(s) + 5Ca(i) → 2V(i) + 5CaO(s)

Based on the reaction, 1 mol of V2O5 needs 5 moles of Ca for a complete reaction. As there are just 4 moles, <em>limiting reactant is Ca.</em> As there are produced 2 moles of V per 5mol of Ca, Theoretical moles of V are:

4 moles of Ca × (2mol V / 5Ca) = <em>1.6 moles of V</em>

<em></em>

I hope it helps!

5 0
3 years ago
Which bag held the most vibrant beads?
Zolol [24]

Answer:

  • <u><em>The bag with no sunscreen held the most vibrant beads.</em></u>

Explanation:

<em>SPF</em> is the Sun Protection Factor. It indicates how long a person can stay out in the sun before his skin start burning. It is a factor that is multiplied by 15 minutes. SPF 30 means 30 times 15 = 450 minutes. SPF 70 means 70 times 15 = 1,050 minutes.

Thus, the bag covered in <em>SPF 30</em> <em>sunscreen</em> will raise its temperature faster than the bag covered in <em>SPF 70 </em>sunscreen. And the bag with <em>no sunscreen </em>will raise its temperature faster than the other two.

The higher the temperature the more vibrant the particles that consititute the substances, thus, you conclude that the bag that held the most vibrant beads is the bag with no sunscreen.

Remember that the temperature is a measure of the kinetic energy:. The relation is: the higher the temperature the higher the kinetic energy.

Therefore, the more the particles vibrate, the higher the kinetic energy and the higher the temperature.

3 0
3 years ago
A boy sets up a picnic on the beach next to a sand dune. How are sand dunes formed?
eduard

Answer:

B. Weathering and Erosion

Explanation:

I majored in Chemistry

3 0
3 years ago
Question 2 Unsaved Which of the following chemical formulas shows a covalent compound? a)CO2 b)MgO c)NaCl d)HBr
zzz [600]
It would be D
Because a covelant compound forms when 2 non metal atoms bond
6 0
4 years ago
Read 2 more answers
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