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sveticcg [70]
3 years ago
14

No links pls it’s very unhelpful

Chemistry
1 answer:
Reptile [31]3 years ago
7 0

answer : i don’t knowww :)

Right spelling:

Answer: I don’t know. :)

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Justify the statement, "nuclear energy is harmful as well as useful."​
Olenka [21]

Nuclear energy is harmful because it releases of harmful ionizing radiation and has been employed in the production of atomic bombs and hydrogen bombs.

Nuclear energy is beneficial in that it produces vast amount of energy for domestic and industrial purposes.

<h3>What is nuclear energy?</h3>

Nuclear energy refers to the energy which is produced as a result of the changes that occur in the nucleus of atoms of elements.

Nuclear energy produces the largest amount of energy when compared to other forms of energy sources.

Nuclear energy is produced by two types of nuclear reactions:

  • Nuclear fission and Nuclear fusion

Nuclear energy is harmful in that it results in the release of harmful ionizing radiation which damages cells and tissues of living organisms.

Nuclear energy is also harmful because nuclear energy has been employed in the production of atomic bombs and hydrogen bombs.

On the other hand, nuclear energy is beneficial in that it produces vast amount of energy which can be used for domestic and industrial purposes. It also produces fewer wastes that damage the environment compared to fossil fuels.

In conclusion, nuclear energy is both beneficial and harmful.

Learn more about nuclear energy at: brainly.com/question/15214614

#SPJ1

8 0
2 years ago
CH4 + 202 → CO2 + 2H2O<br> How many moles O2 needed to produce 4 moles of H2O?
shepuryov [24]
<h3>Answer:</h3>

4 mol O₂

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Chemistry</u>

<u>Atomic Structure</u>

  • Reading a Periodic Table

<u>Stoichiometry</u>

  • Using Dimensional Analysis
<h3>Explanation:</h3>

<u>Step 1: Define</u>

[RxN - Balanced]   CH₄ + 2O₂ → CO₂ + 2H₂O

[Given]   4 mol H₂O

[Solve]   x mol O₂

<u>Step 2: Identify Conversions</u>

[RxN] 2 mol H₂O → 2 mol O₂

<u>Step 3: Stoichiometry</u>

  1. Set up conversion:                    \displaystyle 4 \ mol \ H_2O(\frac{2 \ mol \ O_2}{2 \ mol \ H_2O})
  2. Multiply/Divide:                          \displaystyle 4 \ mol \ O_2
7 0
3 years ago
Read 2 more answers
The best substance to use for cleaning a greasy frying pan is lemon juice. True False
deff fn [24]
True is the correct answer
7 0
3 years ago
Why does water evaperate
Juli2301 [7.4K]

Explanation:

water evaporates because when h2o (water) particles heat up, they gain energy causing them to start to vibrate. this moves the oarticles further and further away from eachother and making the substance less dense, and turning it into a gas. meaning it has evaporated

5 0
2 years ago
Read 2 more answers
A useful application of oxalic acid is the removal of rust (fe2o3) from, say, bathtub rings according to the reaction below. fe2
Butoxors [25]

Answer: 170.9 g


Explanation:



1) Balanced chemical equation:


Fe₂O₃(s) + 6 H₂C₂O₄ (aq) → 2Fe(C₂O₄)₃³⁻ + 3H₂O + 6H⁺(aq)


2) mole ratio:


1mol Fe₂O₃ : 6 mol H₂C₂O₄


3) number of moles of H₂C₂O₄ in the solution


M = n / V ⇒ n = MV = 0.800M × 0.800 liter = 6.40 moles


4) Porportionality


1mol Fe₂O₃ / 6 mol H₂C₂O₄ = x / 6.40 mol H₂C₂O₄


⇒ x = 1.07 mol Fe₂O₃


5) Convert 1.07 mol Fe₂O₃ to grams.


molar mass Fe₂O₃ = 159.69 g/mol


mass in grams = molaer mass × number of moles


mass in grams = 159.69 g/mol × 1.07 mol = 170.9 g

3 0
3 years ago
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