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djverab [1.8K]
3 years ago
10

According to the ____________________, when a physical or chemical change occurs, no atoms are created or destroyed.

Chemistry
1 answer:
solong [7]3 years ago
7 0
Law of conservation of mass
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What would be the mass in grams of 1.204 x 1024 molecules of sulfur dioxide
melomori [17]

Answer:

mass of sulfur = 96 g

Explanation:

no of moles of sulfur dioxide in 1.204\times 10^{24} molecules = \frac{1.204\times 10^{24}}{avagadro number }= \frac{1.204\times 10^{24}}{6.023\times 10^{23}}

                                       = 2 moles

therefore mass of sulfur dioxide = moles×atomic number

                                                      =2×(16+32)

                                                      =96

6 0
3 years ago
What's an example of using evaporation to separate a mixture in everyday life?
Fed [463]

An example can be perspiration or even rain.

Hope this helps.

8 0
3 years ago
Acid precipitation is an agent of_______ weathering
Snowcat [4.5K]
Chemical weathering
8 0
3 years ago
Read 2 more answers
R
guajiro [1.7K]

Answer:

C.) 35

Explanation:

The mass is made up of the total protons and neutrons in an atom. Protons and neutrons both have a mass of 1 amu. Electrons are not included in this measurement because they have an insignificant mass (practically 0).

(17 protons x 1 amu) + (18 neutrons x 1 amu) = 35 amu

Therefore, if an atom contains 17 protons and 18 neutrons, the mass should be 35 amu.

4 0
1 year ago
Do all forms of radioactive decay change the identity of the original element?
hoa [83]

Explanation:

<h3>yes, Radioactive decay involves the emission of a particle and/or energy as one atom changes into another. In most instances, the atom changes its identity to become a new element.</h3>

5 0
2 years ago
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