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coldgirl [10]
3 years ago
15

AFTER the digestive system process food, the energy stored in cells as ______________ .

Chemistry
1 answer:
galben [10]3 years ago
6 0
C) Thermal energy. Your body turns the mechanical energy into thermal energy.
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Elements in a group have the same number of valence electrons and the same ____
frozen [14]
The elements in each group have the same number of electrons in the outer orbital<span>. Those </span>outer<span> electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements. Every element in the first column (group one) has one electron in its </span>outer<span> shell.</span>
5 0
3 years ago
a car traveling at 20 m/s starts to decelerate steadily it comes to a complete stop in 10s .what is its acceleration
Anna007 [38]

A car traveling at 20 m/s starts to decelerate steadily it comes to a complete stop in 10s. The equation for the acceleration is velocity divided by time. So divide 20 m/s by 10 s and you will get an acceleration of 2 m/s2.

4 0
3 years ago
Match each term with its definition. The position of an equilibrium always shifts in such a direction as to relieve a stress app
Lina20 [59]

Answer:

The position of an equilibrium always shifts in such a direction as to relieve a stress applied to the system. - <u>Le Chatelier's principle</u>

A molecule that donates a proton when it encounters a proton acceptor. - <u>Bronsted-Lowry acid</u>

Occurs when a reaction involving an acid and its conjugate base is combined with a second reaction involving a base and its conjugate acid. - <u>Neutralization</u>

It ionizes completely when dissolved in water. - <u>Strong acid</u>

The shift in the position of equilibrium caused by the addition of a participating ion. - <u>Common ion effect</u>

It only partially ionizes when dissolved in water. - <u>Weak electrolyte</u>

It is capable of acting as either an acid or a base depending upon the solute. - <u>Amphoteric solvent</u>

The act of self-ionization of a solvent to produce both a conjugate acid and a conjugate base. - <u>autoprotolysis </u>

A chemical species that bears both positive and negative charges. - <u>zwitter ion</u>

7 0
3 years ago
1. How many isotopes does hydrogen have?
natima [27]

Answer:

There are 3 isotopes of the element hydrogen.

Explanation:

hydrogen, deuterium, and tritium.

6 0
3 years ago
Read 2 more answers
Bromine is is reddish-brown liquid that boils at 59 degrees. bromine is highly reactive with many metals, for example, it reacts
katrin2010 [14]
A physical property of an element is a property of an element that can observed or measured without changing the chemical nature of the element.

A chemical property of an element is a property of an element that can only be observed or measure when the chemical property of the element is altered or changed.

Based on this;
The boiling point of bromine is a physical property of bromine.
The high reactivity of bromine with many elements is a chemical property of bromine.
4 0
3 years ago
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