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elena-14-01-66 [18.8K]
3 years ago
5

When an element'’s mass in grams equals the element’'s atomic mass, how many moles of atoms are contained in that amount of the

element?​
Chemistry
1 answer:
SpyIntel [72]3 years ago
7 0

Answer:

.

Explanation:

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1.05 g of sodium metal is added to a 50.0 mL solution of 1.00 M hydrochloric acid solution. Sodium chloride and hydrogen gas are
olganol [36]

Answer:

Sodium chloride and hydrogen gas are the products of this reaction. If the gas collected has a pressure of 1.05 atm at 298 K, then what volume is the hydrogen

Explanation:

8 0
3 years ago
Please help me with this question<br> Thank you!
Elza [17]

Answer:

B. 3+

Explanation:

When Fe²⁺ loses an electron, it becomes an Fe³⁺ ion.

   The loss of an electron in an atom makes the atom becomes positively charged. Further losing electrons makes the atom more positive.

 For the given ion;

 Fe²⁺   if it loses an electron more, it becomes Fe³⁺.

The expression is given as:

         Fe²⁺    →    Fe³⁺  +  e⁻

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3 years ago
Explain the difference between the organism, population, and community levels of ecological organization
Naily [24]

Answer:

A population is a group of organisms belonging to the same species that live in the same area and interact with one another.

Explanation:

Levels of Ecological Organization

Level # 2. Population:

Level # 3. Community:

Level # 4. Ecosystem:

Level # 5. Biome:

Level # 6. Biosphere:

5 0
3 years ago
A solution of acetic acid, CH3CO₂H(aq), is at equilibrium. How would the
s344n2d4d5 [400]

If more acetic acid were added to a solution at equilibrium, [H⁺] and [CH₃CO₂⁻] would increase to counteract the perturbation. (Option C)

<h3>How do systems at equilibrium respond to perturbation?</h3>

When a system at equilibrium suffers a perturbation, it shifts its equilibrium position to counteract such perturbation.

Let's consider a solution of acetic acid at equilibrium.

CH₃CO₂H(aq) = CH₃CO₂⁻(aq) + H⁺(aq)

If more acetic acid were added to the solution, the system will shift toward the products to counteract such an increase.

How would the system change if more acetic acid were added to the solution?

A. [H⁺] would decrease and [CH₃CO₂⁻] would increase. NO.

B. [H⁺] and [CH₃CO₂⁻] would decrease. NO.

C. [H⁺] and [CH₃CO₂⁻] would increase. YES. Both products would increase.

D. [H⁺] would increase and [CH₃CO₂⁻] would decrease. NO.

If more acetic acid were added to a solution at equilibrium, [H⁺] and [CH₃CO₂⁻] would increase to counteract the perturbation.

Learn more about equilibrium here: brainly.com/question/2943338

#SPJ1

3 0
2 years ago
Determine the balanced chemical equation for this reaction.C8H18(g) O2(g)→CO2(g) H2O(g)Enter the coefficients for each compound
sashaice [31]

Answer:

2C₈H₁₈(g) + 25O₂(g)→16CO₂(g) + 18H₂O

Explanation:

To balance an equation, the moles of one element on one side of the equation should be the same as those on the other side of the equation. This is because (as a law of thermodynamics), in a chemical reaction, the matter is not destroyed nor created - atoms are only rearranged.

4 0
4 years ago
Read 2 more answers
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