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3 years ago

Isotopes are created by adding or removing neutrons from the nucleus.

Chemistry

1 answer:

valina [46]3 years ago

4 0

Answer:

<h2>This is TRUE statement... </h2>

Explanation: 

When you remove or add a neutron to the nucleus of an atom, the resulting substance is a new type of the same element and is called an isotope.

<h2>Hope it helps you✨.</h2>

Thanks☸☸

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What is ionization constant of an acid?

egoroff_w [7]

Answer:

ionization constant of an acid (Ka) is the equilibrium constant for the ionization of an acid.

Explanation:

The acid ionization represents the fraction of the original acid that has been ionized in solution. Therefore, the numerical value of Ka is a reflection of the strength of the acid.

4 0

2 years ago

In terms of energy, how would you classify the following chemical reaction? 2Cu + O2 + 315kJ → 2CuO

german

It'd be an endothermic reaction because it requires an input of heat to occur

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3 years ago

A student dissolved 3.50g of copper (II) nitrate in water and mixed it with a solution of sodium carbonate. The student recovere

Arisa [49]

Answer: If the theoretical yield is 2.35g then the percent yield is 80.4%

Explanation:

Given: Actual yield = 1.89 g

Theoretical yield = 2.35 g

Formula used to calculate the percentage yield is as follows.

$Percent yield = \frac{actual yield}{theoretical yield} \times 100$

Substitute the values into above formula as follows.

$Percent yield = \frac{actual yield}{theoretical yield} \times 100\\= \frac{1.89}{2.35} \times 100\\= 80.4 percent$

Thus, we can conclude that if the theoretical yield is 2.35g then the percent yield is 80.4%

3 0

3 years ago

Which term is used to describe all the habitats around the world?

OlgaM077 [116]

Answer:

ecosystem diversity

Explanation:

hope this helped

5 0

1 year ago

Which of the following is not true about elements? 1. Elements are made of atoms of the same type. 2. Each element has a unique

Marat540 [252]

Sorry If This Is Late***

Elements can't be broken down, into a simplre set of properties. They are one strict unit & cannot be broken down, however they can be added together to make a compound.

HOPE THIS HELPS & good luck <3 !!!!!

7 0

2 years ago