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PIT_PIT [208]
3 years ago
8

Which of the following statements regarding isotopes is TRUE?

Chemistry
1 answer:
FromTheMoon [43]3 years ago
3 0

Answer:

e

Explanation:

A. Is wrong

Isotopes do not have same number of neutrons. They only contain the same number of protons and hence same number of electrons.

B is correct

Isotopes are the different atoms of a particular single element which have exactly the same number of protons but varying number of neutrons.

C is correct

The chemical properties are a function of the electrons since they are the ones involved in chemical bonding. Since the number of electrons are the same, it is expected that they have similar chemical properties.

d is correct

It is the weight of the most abundant isotope that clearly determines the weight of the atom. In fact, the weight of the atom is closest in value to the weight of the atom with the highest abundance

e is correct as all the options here are correct

D is wrong, not all options are correct

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How many moles of SnF₂ will be produced along with 48 grams of H₂? *
KIM [24]

Answer: 24 moles of SnF_2 are produced.

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

{\text{Moles of}  H_2}=\frac{48g}{2g/mol}=24moles

Sn+2HF\rightarrow SnF_2+H_2

According to stoichiometry :

1 mole of H_2 is accompanied with = 1 mole of SnF_2

Thus 24 moles of H_2  is accompanied with =\frac{1}{1}\times 24=24moles  of SnF_2

Thus 24 moles of SnF_2 are produced.

8 0
3 years ago
Calculate Density:<br> Volume=13cm3, Mass=147.55g<br> Someone please help
almond37 [142]

Answer:

11.35 g/cm³

Explanation:

If your rounding then 11.4. hope this helps :)

5 0
3 years ago
HELP! ASAP!
harina [27]

Given the model from the question,

  • The products are: N₂, H₂O and H₂
  • The reactants are: H₂ and NO
  • The limiting reactant is H₂
  • The balanced equation is: 3H₂ + 2NO —> N₂ + 2H₂O + H₂

<h3>Balanced equation </h3>

From the model given, we obtained the ffolowing

  • Red => Oxygen
  • Blue => Nitrogen
  • White => Hydrogen

Thus, we can write the balanced equation as follow:

3H₂ + 2NO —> N₂ + 2H₂O + H₂

From the balanced equation above,

  • Reactants: H₂ and NO
  • Product: N₂, H₂O and H₂

<h3>How to determine the limiting reactant</h3>

3H₂ + 2NO —> N₂ + 2H₂O + H₂

From the balanced equation above,

3 moles of H₂ reacted with 2 moles of NO.

Therefore,

5 moles of H₂ will react with = (5 × 2) / 3 = 3.33 moles of NO

From the calculation made above, we can see that only 3.33 moles of NO out of 4 moles given are required to react completely with 5 moles of H₂.

Thus, H₂ is the limiting reactant

Learn more about stoichiometry:

brainly.com/question/14735801

#SPJ1

8 0
2 years ago
Is fluber liquid or solid
Gennadij [26K]
Nor liquid or solid since flubber is like oobleck, it is a non newtonian object.
3 0
3 years ago
Read 2 more answers
Which of the following is not an example of a science?
Cloud [144]
Geology is the science of Earth.

Ecology is the science of relationship between an organism and its environment.

Astronomy is the science of studying astronomical objects.

Whereas, Phrenology is the study of relating the size of human skull like its size, shapes e.t.c to his/her personality. So, its not a science as there is no scientific relationship between it.
6 0
3 years ago
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