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faust18 [17]
4 years ago
7

If there is a chemical change it will remain the same properties because a new substance was formed

Chemistry
1 answer:
rewona [7]4 years ago
5 0
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2. What charge does an electron have? a. Positive b. Negative c. Neutral d. No charge
SashulF [63]
The answer is negative, since neutron is neutral and Protons have Positive.
7 0
3 years ago
Sort these isotopes by whether they are most likely to undergo fusion or fission.
Maslowich

Answer:

Uranium-233- fission

Plutonium-239- fission

Plutonium-241- fission

Hydrogen-3 fusion

Hydrogen-1 fusion

Helium-3 fusion

Explanation:

In nuclear fission, heavy nuclear disintegrate into smaller nuclei when bombarded with particles such as neutrons. Fission reaction is common among nuclei having a high atomic number such as plutonium and uranium.

Fusion occurs between two light nuclei such as hydrogen or helium. It involves the combination of two lighter elements to give a heavier element with the release of tremendous amount of energy.

4 0
3 years ago
A sample of 10K gold contains the following: 10.0g gold, 4.0g silver, 5.0g copper, and 5.0g nickel. What is the percent gold in
stellarik [79]

Answer:

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Explanation:

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6 0
3 years ago
Read 2 more answers
The wavelength of the violet light emitted from a hydrogen atom is 410.1 nm. This light is a result of electronic transitions be
VashaNatasha [74]

Answer:

e. 4.847 x 10-19 J

Explanation:

From the given information:

The equation connecting the photon energy and the wavelength is:

E_{photon } = \dfrac {hc}{\lambda}

where;

planck's  \ constant  \ (h)= 6.626 * 10 ^{-34} J.s

velocity  \ of \  light \  (c) = 3.00 * 10^8 m/s

wavelength \lambda = 410.1 \ nm \times \dfrac{10^{-9} \ m}{1 \ nm}

\lambda = 4.101 \times 10^{-7} \ m

To determine the photon energy of violet light

E_{photon } = \dfrac {(6.626 \times 10^{-34} J/s ) \times (3.00 \times 10^8 \ m/s) }{4.101 \times 10^{-7} \ m}

= 4.847 × 10⁻¹⁹ J

4 0
3 years ago
Acetone and sodium chloride both have similar mass. explain why their other properties differ.
dmitriy555 [2]
<span>Acetone and sodium chloride both have similar mass but different properties. They behave in different ways since each of them consists of different atoms which has different behaviors with each other. Sodium chloride has Na and Cl atoms which are very different with acetone which has carbon, oxygen and hydrogen atoms. Hope this helps.</span>
5 0
3 years ago
Read 2 more answers
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