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Verizon [17]
3 years ago
13

What is the relationship between the release of energy as heat and calories

Chemistry
1 answer:
Olegator [25]3 years ago
7 0

Answer:

Explanation:

Calories is a unit to measure the amount of energy contained in a particular food product. It is regarded as the energy required to raise the temperature of 1g of water by 1°C.

It is important note that calories measures the heat content of food we eat and consume. Therefore, there is a direct relationship between the release of energy as heat and the calories. The more the calories, the more the energy that would be released as heat.

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Equal amounts of N2 and O2 are added, under certain conditions, to a closed container. Which changes occur in the reverse reacti
geniusboy [140]
1) The forward reaction is N2 (g) + O2 (g)  → 2NO

(that reaction requires special contitions because at normal pressures and temperatures N2 and O2 do not react to form another compound.

2) The equiblibrium equation is

  N2 (g) + O2 (g)  ⇄ 2NO

3) Then, the reverse reaction is

2NO → N2(g) + O2(g)

Answer: 2NO → N2(g) + O2(g)
4 0
3 years ago
Calculate the wavelength of an electron (m = 9.11 x 10-28 g) moving at 3.66 x 100 m/s. A) 1.81 x 10-10 m B) 2.76 x 10-9 m C) 5.0
inna [77]

Answer:

option e = 1.99 × 10⁻⁶ m

Explanation:

Given data:

Mass of electron = 9.11 × 10⁻²⁸ g   or 9.11 × 10⁻³¹ Kg

Velocity = 3.66 × 100 m/s

Wavelength = ?

Solution:

Formula:

λ  = h / m. v

λ  = wavelength

h = planck's constant

m = mass

v = velocity

Now we will put the values in equation

λ  = h / m. v

λ  =  6.63 × 10⁻³⁴ Kg. m²/s  / 3.66 × 100 m/s . 9.11 × 10⁻³¹ Kg

λ  =  6.63 × 10⁻³⁴ Kg. m²/s / 3334.26  × 10⁻³¹ Kg .m/s

λ  = 1.99 × 10⁻⁶ m

7 0
3 years ago
Read 2 more answers
Write a chemical reaction depicting what happens to the salt in water.
Mekhanik [1.2K]

No chemical reaction occurs. This is due to water molecules being very polar and and pulling out the sodium and chlorine ions once fully dissolved in water.

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Give 8 properties of chemical compounds​
Genrish500 [490]

Answer:

flammability, toxicity, acidity, reactivity, heat of combustion, chemical composition, structure

Explanation:

4 0
2 years ago
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Can you mix copper with rubbing alcohol
lyudmila [28]
I don’t know but you can try it
5 0
3 years ago
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