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Mrrafil [7]
3 years ago
6

What’s the answer to the ?

Biology
1 answer:
EleoNora [17]3 years ago
8 0
Which one do you want to be answered??
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Calculate the mass defect for oxygen-16 given this data. Round to the 5es001-1.jpg decimal place. mass of an oxygen-16 atom: 15.
Naya [18.7K]

Answer:

Explanation:

Given parameters:

Mass of oxygen atom = 15.994914amu

Mass of a proton = 1.00728amu

Mass of a neutron = 1.00866amu

Unknown:

Mass defect = ?

From the periodic table, the number of the elementary particles in a neutral Oxygen atom is given below:

           Number of protons = 8

           Number of neutrons = 8

          Number of electrons = 8

Solution

The mass defect examines the difference between the actual mass of an atom and sum of masses of the nucleons.

The mass of an atom is concentrated in the nucleus which contains protons and neutrons. Electrons have little to no weight compared with the nucleons.

    To calculate the mass defect, we first know the mass of the nucleons first:

           1 proton has a mass of  1.00728amu

           8 protons will weigh: (8 x 1.00728)amu = 8.05824amu

For the neutrons:

          1 neutron has a mass of 1.00866amu

          8 neutrons will weigh: (8 x 1.00866)amu = 8.06928amu

Mass of the nucleons = mass of protons + mass of neutrons

                                   = 8.05824amu + 8.06928amu

                                   = 16.12752amu

The mass defect = mass of the nucleons - mass of the atom

                             = 16.12752amu - 15.994914amu

                              = 0.132606amu ≅ 0.13261amu to 5 decimal places

6 0
3 years ago
Read 2 more answers
Alice's teacher has given her a cup of water. She needs to find the volume of the water. How can Alice find the volume of the wa
Leto [7]

Answer: A. Alice can pour the water into a graduated cylinder to find the volume

Explanation: If you put water into a graduated cylinder, you get accurate numbers. This helps with the equation because estimating isn't always the best way to go. Putting a ruler in the water wont help because you don't know what number the water started at before the displacement. The thermometer won't work either because that is used for temperature.

6 0
3 years ago
how the cell structures (organelles) in this list can be used to classify the cell as either prokaryotic or eukaryotic
Zinaida [17]

Answer:

An prokaryotic cell doesn’t have a nucleus

Explanation:

3 0
3 years ago
Read 2 more answers
Why would chemical weathering affect the kinds of minerals in soil as the soil is formed??
Vilka [71]
Process by which the internal structure of a mineral is altered by the addition or removal of elements. Change in phase (mineral type) and composition are due to the action of chemical agents. Chemical weathering is dependent on available surface for reaction temperature and presence of chemically active fluids.
5 0
3 years ago
Help :(
Sveta_85 [38]
<h3>Answer:</h3>

Which of the following is the most accurate example of supply and demand?

  • The consumer cost for roses drops when fewer roses are available for sale.

<h3>Explanation:</h3>

What is demand?

  • Demand refers to consumers' desire to purchase goods and services at given prices. Demand can mean either market demand for a specific good or aggregate demand for the total of all goods in an economy.

8 0
2 years ago
Read 2 more answers
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