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3 years ago

True or false: seafloor spreading takes place along a mid ocean ride

Chemistry

1 answer:

ZanzabumX [31]3 years ago

7 0

True, seafloor spreading occurs along mid-ocean ridges.

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Which of the following ions came from an atom that lost two electrons

otez555 [7]

There aren't any ions on here, but it will be the ion with a charge of 2+; since electrons have a negative charge, losing one will cause a 1+ charge, losing two will cause a 2+ charge and so on.

Hope this helps :)

8 0

3 years ago

The following equation shows the equilibrium in an aqueous solution of ammonia: NH3(aq)+H2O(l)⇌NH4+(aq)+OH−(aq)NH3(aq)+H2O(l)⇌NH

yarga [219]

Answer:

c) H2O and OH−

Explanation:

Acids are the species which furnish hydrogen ions in the solution or is capable of forming bonds with electron pair species as they are electron deficient species.

When an acid donates a proton, it changes into a base which is known as its conjugate base.

Bases are the species which furnish hydroxide ions in the solution or is capable of forming bonds with electron deficient species as they are electron rich species. When a base accepts a proton, it changes into a acid which is known as its conjugate acid.

The acid and the base which is only differ by absence or presence of the proton are known as acid conjugate base pair.

Thus, for the reaction,

$NH_3+H_2O\rightleftharpoons Nh_4^++OH^-$

The base is $NH_3$ and the conjugate acid of the base is $NH_4^+$ .

Also, The base is $OH^-$ and the conjugate acid of the base is $H_2O$ .

Correct option is :- c) H2O and OH−

8 0

3 years ago

An electric wire produces a magnetic field. True or false? (GIVE PROOF)

kupik [55]

Answer:

True

Explanation:

A magnetic field is made when an electric current flows through a wire.

3 0

3 years ago

Derek needs a tool that delivers 25.00 mL of a sodium hydroxide solution. What tool would be best for him to use?

3241004551 [841]

He may use a pipette with a volume greater than 25 ml to transfer the solution.

4 0

3 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPP MEEHHHHHHHHHHHHHH

AnnZ [28]

Here you are looking on the Free Body diagram of a net force of 0N in both the x and y-directions. the only ones that has that condition met is A and C.

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3 years ago