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SashulF [63]
3 years ago
8

Two liters of hydrogen gas are stored at a

Chemistry
1 answer:
Tju [1.3M]3 years ago
6 0

Answer:

the volume will expand

Explanation:

gas under pressure contracts, and expands with a lesser pressure

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When two or more substances combine, but each keeps its own properties, what is the new combination called A) Element B) Mixture
vodka [1.7K]
Hi.
your answer is b.
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8 0
3 years ago
What is the name of the compound with the formula NaHCO3 ?
Marianna [84]

Answer:

Sodium bicarbonate

Explanation:

Sodium bicarbonate ( NaHCO₃ ) -

Sodium bicarbonate , according to the IUPAC nomenclature , its name is sodium hydrogen carbonate ,and in common terms also refereed to as baking soda .

It is a white crystalline solid , it is basic in nature .

<u>The cation and anion of this salt are the sodium ion ( Na⁺)  and the anion bicarbonate anion (HCO³⁻) .</u>

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5 0
3 years ago
The stability of an isotope is based on its
Ulleksa [173]

Answer is (3) - ratio of neutrons to protons.


Isotopes are the atoms which have same atomic number but have different number of neutrons of same element.


Atomic nucleus can be stable or unstable. The stability of isotopes is based on neutron/ proton ratio. Unstable nucleus tries to become stable by emitting radiations.

8 0
3 years ago
Read 2 more answers
Need help ASAP much appreciated for those who answer
Lelechka [254]

Answer:

  The rate of the forward reaction is equal to the rate of the reverse reaction

Explanation:

Equilibrium is a condition in which the net force for change is zero.

In chemistry, equilibrium exists when reactant concentrations in a reaction are not changing. This condition means the reaction proceeding left to right in the reaction equation is producing products at the same rate those products are being used up by the reaction proceeding right to left. In short, the rate of the forward reaction is equal to the rate of the reverse reaction.

6 0
3 years ago
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A redox reaction will occur at 298 K when zinc metal is placed in a solution that is 0.5M Fe(NO3)3. Is this true or False.
Anettt [7]

Answer:

True

Explanation:

Fe³⁺ is an oxidizing agent with E° = +0.77V. Zn metal is a reducing agent with E° = -0.76V. This is a "downhill" reaction, where the oxidizing agent has a higher E° than the reducing agent. Therefore, the reaction is spontaneous.

7 0
3 years ago
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