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Dafna11 [192]
3 years ago
11

Nuclei 10. Nuclear power plants release energy by

Chemistry
1 answer:
KatRina [158]3 years ago
5 0

Answer:

Nuclear Fission

Explanation:

Nuclear power plants release energy by nuclear fission.

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Once of the skills necessary for this experiment is dilution. If you have 1.95 mL of .806 M bleach, what will be the new concent
aleksley [76]

<u>Answer:</u> The concentration of diluted bleach solution is 0.0157 M

<u>Explanation:</u>

To calculate the molarity of the diluted solution, we use the equation:

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of the concentrated bleach solution

M_2\text{ and }V_2 are the molarity and volume of diluted bleach solution

We are given:

M_1=0.806M\\V_1=1.95mL\\M_2=?M\\V_2=100mL

Putting values in above equation, we get:

0.806\times 1.95=M_2\times 100\\\\M_2=\frac{0.806\times 1.95}{100}=0.0157M

Hence, the concentration of diluted bleach solution is 0.0157 M

6 0
3 years ago
Point in a titration at which the quantity of titrant is exactly sufficient for stoichiometric reaction with the analyte.
Olegator [25]
Thats called equivalence point
6 0
3 years ago
A 5.00 gram sample of an oxide of lead PbxOy contains 4.33g of lead. Determine the simplest formula for the compound.
Valentin [98]
PbO2

You have to take the mass of lead in the problem, and divide by the molar mass.
When you do the same with oxygen, you get a number about twice as large as when you divide the mass of lead by the molar mass of lead. This means that the simplest formula  would be PbO2

8 0
3 years ago
Ordena de mayor a menor según sus radios iónicos a los siguientes iones:
I am Lyosha [343]

Answer:

The correct order of the elements, taking into account their ionic radius from highest to lowest, is:

<em>a) Cl⁻¹ > F⁻¹ > Na⁺¹ > Mg⁺²</em>

<em>b) S⁻² > O⁻² > Li⁺¹ > Be⁺²</em>

<em>c) S⁻² > Cl⁻¹ > K⁺¹ > Na⁺¹</em>

Explanation:

In ions the ionic radius is determined by the amount of electrons an element gains or loses to become an ion.  The more negative an ion is, the greater its ionic radius.

As a rule, anions (negative charge) have a larger ionic radius than cations (positive charge), because the loss of electrons means a contraction of the ionic radius, while the gain of electrons means a greater radius.

To determine which ionic radius is greater in anions or cations with the same charge, it must be considered that in the periodic table the ionic radius increases from top to bottom and from right to left.

Learn more:

Ionic radius example brainly.com/question/2279609

3 0
2 years ago
How do you determine the environmental impact of human activities?
coldgirl [10]

Answer:

Environment refers to everything that surrounds an individual and interacts between them. The factors that control the environment can be biotic and abiotic.

Humans have greatly affected the environment. Some of the ways in which the environment is affected by humans are as follows-

(1) Humans have constructed industries and factories that have released a huge amount of toxic gases into the atmosphere.

(2) These harmful gases have increased the earth's global temperature. As a result of which the global warming effect has increased.

(3) The waste materials eliminated from these industries mix with the rivers and streams and pollute the water. It degrades water quality.

(4) The fossil fuels are exhausted at a very high rate.

(5) The spilling of the oils in the oceans has affected the marine species drastically.

(6) Due to the extensive mining at different places, soil fertility has decreased considerably.

(7) Cutting down trees for settlement purposes and other infrastructures.

6 0
3 years ago
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