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Gre4nikov [31]
3 years ago
10

This version of Einstein's equation can be used directly to find what value? `Δm = E/c^2

Chemistry
2 answers:
Oksana_A [137]3 years ago
7 0

Explanation:

In the given version of an Einstein's equation:

\Delta m = \frac{E}{c^2}

\Delta m = Mass defect

E = Nuclear binding energy of an atom which holds the nucleus of an atom together.

c = speed of the light =3\times 10^8 m/s

From the given version one can determine the mass defect which is a binding force of a nucleus in an atom if nuclear binding energy is known.

Marina86 [1]3 years ago
4 0

<u>Answer</u>

mass


<u>Explanation</u>

E=mc² explains nuclear fusion, how matter can be destroyed and converted to energy and energy can be converted back to mass.

It explains the atomic energy produced by nuclear power plants and the atomic energy released by atomic bombs.

E=mc²

m = E/c²

From the version in the question the value to be found directly is mass.

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What best describes a molecule
dybincka [34]

Answer:

  • a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction

Hope this helps :)

8 0
3 years ago
Read 2 more answers
For the following reaction, 5.04 grams of nitrogen gas are allowed to react with 8.98 grams of oxygen gas: nitrogen(g) + oxygen(
OLga [1]

Answer:

1. 10.8 g of NO

2. N₂ is the limting reagent

3. 3.2 g of O₂ does not react

Explanation:

We determine the reaction: N₂(g) + O₂(g) →  2NO(g)

We need to determine the limiting reactant, but first we need the moles of each:

5.04 g / 29 g/mol = 0.180 moles N₂

8.98 g / 32 g/mol = 0.280 moles O₂

Ratio is 1:1, so the limiting reactant is the N₂. For 0.280 moles of O₂ I need the same amount, but I only have 0.180 moles of N₂

Ratio is 1:2. 1 mol of N₂ can produce 2 moles of NO

Then, 0.180 moles of N₂ may produce (0.180 .2) / 1 =  0.360 moles NO

If we convert them to mass → 0.360 mol . 30 g/1 mol = 10.8 g

As ratio is 1:1, for 0.180 moles of N₂, I need 0.180 moles of O₂.

As I have 0.280 moles of O₂, (0.280 - 0.180 ) = 0.100 moles does not react.

0.1 moles . 32 g/mol = 3.2 g of O₂ remains after the reaction is complete.

8 0
3 years ago
Read 2 more answers
A.<br> Na3PO4 + _HCI - H3PO, + _NaCl<br> What type of reaction and balance the equation
myrzilka [38]

Answer:

Molar Mass

Explanation:

5 0
3 years ago
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1) How much energy would be required to melt 15.0 g of ice at 0°C?
DerKrebs [107]

Answer:

5010J

Explanation:

The following data were obtained from the question:

Mass (m) = 15g

Heat of fusion (ΔHf) = 334J/g

Heat required (Q) =..?

The heat energy required to melt the ice can be obtained as follow:

Q = m·ΔHf

Q = 15 x 334

Q = 5010J

Therefore, the heat energy required to melt the ice is 5010J.

8 0
3 years ago
A high consideration of hydrogen ions is a solution of what
wlad13 [49]
A positive change atom of hydrogen-ion. A normal hydrogen atomic nucleus
6 0
3 years ago
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