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lilavasa [31]
3 years ago
5

Which of the following is a compound that contains 2 different elements?

Chemistry
1 answer:
AfilCa [17]3 years ago
7 0
Chlorine is the correct answer so A
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Your grandfather is a farmer. You hear him complain about how his crops are not doing well. You know that we have the same amoun
Firdavs [7]

Answer:

You may need better soil and a more plentiful amount of water coming from another source, and maybe find another way to contain the rain water

Explanation:you may need to draw it on paper sorry bout how it looks

4 0
3 years ago
The absolute temperature of a gas is increased four times while maintaining a constant volume. What happens to the pressure of
lianna [129]

Answer:

DECREASE BY A FACTOR OF FOUR

Explanation:

Using pressure equation:

P 1 / T1 = P2 /T2     (at constant volume)

P1 = P

T1 =T

P2 = ?

T2 = 4 T

So therefore;

P2 = P1T1/ T2

P2 = P T/ 4 T

P2 = 1/4 P

The pressure is decreased by a factor of four, the new pressure is a quarter of the formal pressure of the gas.

8 0
3 years ago
What is the molecular geometry around each carbon atom in a saturated hydrocarbon?
Lelu [443]
Answer:
            <span>Molecular geometry around each carbon atom in a saturated hydrocarbon is Tetrahedral.

Explanation:
                     </span> In saturated hydrocarbons (-CH₂-) the central atom (carbon) is bonded to either three or two hydrogen atoms and one or two carbon atoms. So, the central atom is having four electron pairs and all pairs are bonding pairs and lacks any lone pair of electron. According to Valence Shell Electron Pair Repulsion (VSEPR) Theory the central atom with four bonding pair electrons and zero lone pair electrons will attain a tetrahedral geometry with bond angles of 109°. 

7 0
3 years ago
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When the concentration of a system is changed:
Alex Ar [27]

Answer:

The concentrations change to maintain the original value of K.

Explanation:

The concentration changes to maintain the original value of K when the concentration of the system changes.

This is the effect concentration has on a reaction at equilibrium.

Le Chatelier's principle proposes that "if any conditions of a system in equilibrium is changed, the system will adjust itself in order to annul the effect of the change".

  • The equilibrium constant K is temperature dependent.
  • An increase in concentration of a specie favors the direction that uses it up and vice versa.
  • This does not change the value of the equilibrium constant.
8 0
3 years ago
A person who is interested in the brain and its functions might pursue a career in
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C neuroscience is your answer.
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3 years ago
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