Explanation:
A physical change is one that alters the physical properties of matter (particularly the form and state).
A chemical change is one in which new kind of matter is formed. It is always accompanied by energy changes (evolution or absorption of energy in form of heat or light or both).
Now, the salient differences between physical and chemical changes;
- Physical changes are easily reversible whereas chemical changes are not easily reversible.
- Physical changes lead to the production of no new kinds of matter whereas chemical changes leads to the production of new kinds of matter.
- Physical changes involves no change in mass whereas chemical changes involves change in mass.
- Physical changes require little energy whereas considerable amount of energy is needed for chemical changes.
Answer:
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Explanation:
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__5___SiO2 + ___2___CaC2 → __5___Si + ____2___CaO + __4___CO2
The citric acid cycle should be the answer.
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➷ We can use the information to form an equation, which we can solve later
M = 2x + 8
Simply substitute the daughter's age into x:
M = 2(56) + 8
Now solve:
M = 120
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The statements describe a spring at its equilibrium position is the elastic potential energy is zero, the displacement of the spring is at a maximum and the net force acting on the spring is zero.
<h3>What is the equilibrium position?</h3>
A body is in equilibrium when the sum of all forces acting on it equals zero. According to Newton's First Law, when resulting from the laws that act on a body that remains in a state of restriction or in motion in its motion, it remains uniformly null.
In this case the only statements that match the definition of equilibrium position are:
- The elastic potential energy is zero.
- The displacement of the spring is at a maximum.
- The net force acting on the spring is zero.
See more about equilibrium position at brainly.com/question/10374921
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