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nalin [4]
3 years ago
13

Explain the law of conservation of energy. Give a specific example using kinetic and potential energy that shows how energy is c

onserved.
Chemistry
1 answer:
stira [4]3 years ago
8 0

Answer:

Law of conservation of energy states that energy can neither be created nor can be destroyed but can be changed from one form to another

example:I am quite confused Sorry....❤plz follow me

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If you were making S’mores [using a chocolate bar, gram-crackers, and marshmallows] at a campfire, would this process be conside
OLga [1]

Answer:

The process of making S'more by adding chocolate bar, gram-crackers, and marshmallows in layers is not a chemical reaction

Explanation:

In a chemical reaction, the substances involved in the reaction are known as the reactants and the substances produced have different physical and chemical properties than those of the reactants and they are known as the products.

The bonds that hold the atoms of the reactants are broken down and rearranged, creating entirely new substances as products. Therefore, energy must be added and/or evolved in any chemical reaction and all reactant atoms should be involved in the reaction.

The change in energy can be sensed as heat change such as increase or decrease in the temperature of the products

Since S'more does not involve any of the above changes that occur in a chemical reaction when the chocolate bar, gram-crackers, and marshmallows are put together, it is not a chemical change or a chemical reaction.

3 0
3 years ago
The temperature at which a substance in the liquid phase transforms to the gaseous phase refers to the substance's _______. A. s
murzikaleks [220]
When a substance goes from being a liquid to a gas it evaporates, or boils away. Think of boiled eggs.
3 0
3 years ago
Read 2 more answers
Which is the next logical step in balancing the given equation?
Leya [2.2K]

To balance the given equation, we apply elemental balance and count each elements per side. There are 2 nitrogens in the left side so there should be 2 moles of NO2. Since there are already 4 moles of O in the right side, there should be 2 moles of O2. Hence answer is a. Place the coefficient 2 in front of oxygen and nitrogen dioxide.

3 0
3 years ago
Read 2 more answers
Indicate whether the following are acidic, basic, or neutral solution
goldenfox [79]
You answer this by using the pH formula and and the relation of pH and pOH, pH = -log[H+] and 14 = pH + pOH. The correct classification are as follows:

<span>A. [H2O+]=6.0x10^-12
basic

B. [H3O+]=1.4x10^-9
basic

C. [OH-]=5.0x10^-12
acidic

D. {OH-]=3.5x10^-10
acidic

Hope this answers the question.

</span>
5 0
3 years ago
A certain automobile contains 4 tires, 2 headlights, 1 steering wheel,
Step2247 [10]

Answer:

143 parts I think probably not

5 0
2 years ago
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