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7nadin3 [17]
2 years ago
8

Justify the statement nuclear energy is harmful as well as useful

Chemistry
1 answer:
dmitriy555 [2]2 years ago
7 0

  • The beneficial effects of nuclear energy is usually overlooked because of its potentially devastating side-effects

You might be interested in
Calculate the average mass for iron. 15.2% iron-55, 85.8% iron-56
Roman55 [17]

Answer:

Iron 55 (Fe-55) is the iron isotope whose nucleus consists of 26 protons and 29 neutrons. It is a radioisotope that disintegrates by electron capture in manganese 55.

Explanation:

i hope this helps if not tell me

5 0
3 years ago
A compound has a molecular weight of 112. 124 atomic mass units and the empirical formula C3H4O. What is the molecular formula o
NNADVOKAT [17]

The molecular formula of the compound which has a molecular weight of 112.124 atomic mass units is C₆H₈O₂.

<h3>What is molecular formula?</h3>

Molecular formula of any compound tells about the composition and numbers of each entities present in that molecule.

Steps involved in the prediction of molecular formula:

  • First we predict the molar mass of given emperical formula as:

      Molar mass of C₃H₄O = 3(12) + 4(1) + 16 = 56

  • Now we divide the given mass by the calculated mass of empirical formula:

        112.124/56 = 2

  • Now we multiply the subscripts of given empirical formula by this whole number and we get:

        Molecular formula = (C₃H₄O)₂ = C₆H₈O₂

Hence correct option is (E).

To know more about molecular formula, visit the below link:
brainly.com/question/26388921

6 0
2 years ago
Read 2 more answers
What is the pOH of 0.50 molar H3BO3?
Crazy boy [7]

<u>Answer:</u>

<em>A. 10.25</em>

<em></em>

<u>Explanation:</u>

Pkb =4.77

So pka = 14 - pka = 9.23

Ka =10^{-pka}

H_3 BO_3 (aq)+ H_2 O(l) H_2 BO_3^- (aq)+H_3 O^+ (aq)

Initial                0.50M                                 0                                 0

Change                  -x                                 +x                               +x

Equilibrium    0.50M-x                               +x                               +x

Ka =\frac {((x)(x))}{(0.50M-x)}

5.88\times10^{-10}= \frac {x^2}{(0.50M-x)}

(-x is neglected) so we get

5.88\times10^{-10}\times0.50=x^2\\\\x^2=2.94\times10^{-10}

x=\sqrt{x^2}=1.72\times10^{-5} M=H^3 O^{+}

pH=-log[H^3 O^+]\\\\pH=-log[1.72\times10^{-5}]\\\\pH=4.76

pOH = 14 - pH

= 14 - 4.76

pOH = 9.24 is the answer

Option A - 10.25 is the answer which is close to 9.24

4 0
3 years ago
The production of ammonia (NH3) under standard conditions at 25°C is represented by the following thermochemical equation. N2(g)
asambeis [7]

Answer:

44,901 kilo Joule heat is released when 1.663\times 10^4 g grams of ammonia is produced.

Explanation:

Moles of ammonia  gas produced :

\frac{1.663\times 10^4 g}{17 g/mol}=978.235 mol

According to reaction, when 2 moles of ammonia are produced 9.18 kilo joules of energy is also released.

So, When 978.235 moles of ammonia gas is produced the energy released will be:

\frac{-91.8 kJ}{2}\times 978.235 mol=-44,900.98 kJ\approx -44,901 kJ

(negative sign indicates that energy is released as heat)

44,901 kilo Joule heat is released when 1.663\times 10^4 g grams of ammonia is produced.

7 0
3 years ago
Carbon Monoxide is a toxic gas that is colorless and tasteless. How many moles of CO are in 1 L of the gas at STP?
Debora [2.8K]

Answer:

0.045 moles

Explanation:

Given data:

Moles of CO = ?

Volume of gas = 1 L

Temperature and pressure = standard

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

n = PV/RT

n = 1 atm× 1L / 0.0821 atm.L/mol.K × 273 K

n = 1 atm.L / 22.41 atm.L/mol

n = 0.045 mol

7 0
3 years ago
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