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Sladkaya [172]
2 years ago
11

Charlie is frying an egg in a pan located over a gas burner. He develops a model to determine the energy produced by the flame i

n the gas burner by calculating the energy absorbed by the egg. Which assumption will charlie need to make in order for his model to be considered a closed system?.
Chemistry
1 answer:
shtirl [24]2 years ago
8 0

The system would look like a closed system if no heat is lost from the flame or the egg to the surroundings.

<h3>What is a closed system?</h3>

A closed system is one in which there is no exchange of materials and energy with the environment. This implies that no energy is lost and also that  no energy enters into the system.

Having said that, let us now examine Charlie's system. This system would approximate a closed system if no heat is lost from the flame or the egg to the surroundings.

Learn more about a closed system:brainly.com/question/14782983

#SPJ1

Missing parts;

Charlie is frying an egg in a pan located over a gas burner. He develops a model to determine the energy produced by the flame in the gas

burner by calculating the energy absorbed by the egg. Which assumption will Charlie need to make in order for his model to be considered a

closed system?

A. Heat flows from the egg to the surroundings.

O

B. Heat flows from the pan to the surroundings.

O

C. No heat is lost from the flame or the egg to the surroundings.

OD. The egg receives heat from the flame and the surroundings.

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AlCl3 + Na NaCl + Al Did Cl change oxidation number?
gizmo_the_mogwai [7]
Yes. If this is the balanced equation:

AlCl3 + 3Na —— 3NaCl + Al

then Al was reduced from a 3+ oxidation (to neutralize the 3- from the chlorine) to a 0 oxidation (elemental ground state).
6 0
4 years ago
Read 2 more answers
Calculate the pressure (in kpa) of 1.5 mole of helium gas at 354 k when it occupies a volume of 16.5l.
3241004551 [841]

Answer:

267.57 kPa

Explanation:

Ideal gas law:

PV = n RT        R = 8.314462    L-kPa/K-mol

P (16.5) = 1.5 (8.314462)(354)       P = 267.57 kPa

8 0
2 years ago
The gene for curled ears is dominant over the gene for straight ears (e). If you crossed a cat with curled ears (Ee) and a cat w
tatyana61 [14]

Answer:

50% is the answer I believe

8 0
4 years ago
What would be the products for the reaction Br2 + KI →? (Just identify the correct products for the reaction. You do not need to
Savatey [412]

<u>Answer:</u> The products of the reaction will be I_2\text{ and }KBr

<u>Explanation:</u>

Single displacement reaction is defined as the reaction in which more reactive element displaces a less reactive element from its chemical reaction.

The general chemical equation for the single displacement reaction follows:

A+BC\rightarrow AC+B

The given chemical equation follows:

Br_2+2KI\rightarrow I_2+2KBr

Bromine element is more reactive than iodine element. Thus, can easily replace iodine from its chemical reaction.

Hence, the products of the reaction will be I_2\text{ and }KBr

5 0
4 years ago
An open "empty" 2 L plastic pop container, which has an actual inside volume of 2.05 L, is removed from a refrigerator at 5 °C a
Pani-rosa [81]

2.168 L of air will leave the container as it warms

<h3>Further explanation</h3>

Given

V₁=2.05 L

T₁ = 5 + 273 = 278 K

T₂ = 21 + 273 = 294 K

Required

Volume of air

Solution

Charles's Law  

When the gas pressure is kept constant, the gas volume is proportional to the temperature  

\tt \dfrac{V_1}{T_1}=\dfrac{V_2}{T_2}

Input the value :

V₂=(V₁.T₂)/T₁

V₂=(2.05 x 294)/278

V₂=2.168 L

3 0
3 years ago
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