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Zina [86]
3 years ago
13

The scientific principle which is the basis for balancing chemical equations is

Chemistry
1 answer:
Lubov Fominskaja [6]3 years ago
7 0

Answer:

Law of Conservation of Mass

Explanation:

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A bubble of helium gas has a volume of 0.650 cm3 near the bottom of a large aquarium where the pressure is 1.54 atm and the temp
aleksandrvk [35]

Answer:

1.005 cm³

Explanation:

Using Ideal gas equation for same mole of gas as

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

Given ,  

V₁ = 0.650 cm³

V₂ = ?

P₁ = 1.54 atm

P₂ = 1.01 atm

T₁ = 12°C

T₂ = 16 ºC

The conversion of T( °C) to T(K) is shown below:

T(K) = T( °C) + 273.15  

So,  

T₁ = (12 + 273.15) K = 285.15 K  

T₂ = (16 + 273.15) K = 289.15 K  

Using above equation as:

\frac {{P_1}\times {V_1}}{T_1}=\frac {{P_2}\times {V_2}}{T_2}

\frac {{1.54}\times {0.650}}{285.15}=\frac {{1.01}\times {V_2}}{289.15}

Solving for V₂ , we get:

<u>V₂ = 1.005 cm³</u>

3 0
3 years ago
ASAP What is the main cause of any change of state?
forsale [732]

Answer:

Hiya there!

Explanation:

Adding or removing energy from matter causes a physical change as matter moves from one state to another. ... Physical changes can also be caused by motion and pressure. Melting and freezing. When heat is applied to a solid, its particles begin to vibrate faster and move farther apart.

<em><u>Hope this helped!</u></em> :D

Sourced from "livescience.com"

7 0
3 years ago
Read 2 more answers
What is a metabolic pathway? What is a metabolic pathway?
kotykmax [81]

Answer:

B) A series of chemical reactions where enzymes work one at a time to convert a reactant into intermediates and the intermediates into a final product.

Explanation:

In our cells there are multiple chemical reactions happening all the time to convert the  elements we ingest (food, water, air) into the products the organism needs.

This processes can be very complex and offen involves various reactions (steps). Also, many of this reactions need to by catalized by enzymes in order to happen.

8 0
3 years ago
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Which of the following properties of a gas is explained by the collision of its molecules with the walls of a container?
frez [133]
Pressure is the correct answer in this situation
7 0
3 years ago
What does pressure measure
omeli [17]

Answer:

C

Explanation:

Pressure it says it in the name its the force of colliding particles

6 0
4 years ago
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