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hodyreva [135]
3 years ago
6

The total number of each element is not changed during a chemical reaction

Chemistry
1 answer:
Paha777 [63]3 years ago
3 0

false all element when they are combined eachother thier valance number will change

the combination of oxygen and aluminum gives us Al2O3 see even the numbers are changing thank you if you have a comment you can write

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Which atom attracts electrons more strongly?
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Bromine attracts electrons more strongly. Cesium is In fact the least electro negative element.

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4 years ago
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alukav5142 [94]

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3 years ago
Choose ALL TRUE statements about calorimetry from the choices below:
Ostrovityanka [42]

Answer:

True statment

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3) Insulating material would make a good calorimeter

Explanation:

The calorimeter is one which is insulated that is which will not absorb or let the heat to escape from it. the calorimeter is used to measure the heat change during a process so if it will allow to exchange heat with surrounding it will deviate the readings or observence.

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6 0
3 years ago
Dose your heart muscle get tired?<br> Yes or no.
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Answer:

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our heart muscles never get tired, because it has to pump blood in our body 72 times a minute, it is made of special cardiac muscles which helps it to perform it's function without getting tired ....

<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

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The chemical process in which electrons are gained by an atom or an ion is called
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