CHEMISTRY MIDDLE SCHOOL

Name an object that the magnet would repel

Answers

Answer 1
Answer: the negative side of another magnet

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Students are completing a table about a particular subatomic particle that helps make up an atom.A 3-column table with 2 rows. The first row has entries Mass (a m u), location, charge. The second row has entries 1/2,000, nothing, has a charge.

What best explains how they should complete the table?

with “Inside the nucleus,” because the particle is a proton
with “Inside the nucleus,” because the particle is a neutron
with “Outside of the nucleus,” because the particle is a proton
with “Outside of the nucleus,” because the particle is an electron

Answers

Answer:

with “Outside of the nucleus,” because the particle is an electron

Explanation:

The table is best completed with “Outside of the nucleus,” because the particle is an electron.

The particle being described is an electron.

Electrons are negatively charged particles with a mass that is about (1)/(2000) of protons and neutrons

Mass(a.m.u)                         location                              charge

      (1)/(2000)                        outside of the nucleus                   negative charge

Electrons orbits round the nucleus in distinct energy levels.

Final answer:

The subatomic particle described in the table is an electron, which is found outside of the nucleus of an atom.

Explanation:

The particle described in the table has a mass of 1/2,000 atomic mass units (a.m.u) and carries a charge. Based on this information, we can conclude that the particle being described is an electron. Electrons are negatively charged subatomic particles that orbit the nucleus of an atom, meaning they are found outside of the nucleus. Therefore, the correct entry for the location column in the table should be Outside of the nucleus.

Learn more about subatomic particles here:

brainly.com/question/32192242

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If 112 g of iron (Fe) combines with 24 g of oxygen (o2) how much iron oxide is formed

Answers

There are three different oxides of iron: FeO, Fe2O3 (hematite), and Fe3O4 (magnetite). Assuming that the iron oxide formed in this problem is Fe2O3, which is the most common form of iron oxide, the calculations are as follows:

Balanced chemical equation:
        4Fe + 3O2 --> 2Fe2O3
i         2       0.75            0
c        1       0.75           0.5
e        1         0              0.5



Moles Fe = 112g /55.845 = 2
Moles O2 = 24/32 = 0.75

The reaction, with an excess of 1 mol Fe, produced 0.5 moles or 0.5 moles(159.69g/mol) = 79.845 grams of Fe2O3.

An easy way to understand:

136 g Fe2O3

The graph of y = 3x2 + 12x + 11 is shown.Use the graph to solve the equation 3x2 + 12x + 11 = 2

Answers

Explanation:

3*2=6

12x+11=23x

23x+6=29x

x=2

What's a physical property that describes how something feels

Answers

Some physical property's that describe how something feels is texture. 

What is the layer of the sun from which energy escapes into space?

Answers

The core is the layer of the sun from which energy escapes into space.

A bobsled has a momentum of 4000 0 kg* m/s to the south. Friction on the track reduces its momentum to 500 kg* m/s to the south. What impulse is applied to the bobsled by the friction? A. 6500 kg* m/s north

OB. 1500 kg* m/s south O

C. 6500 kg* m/s south

O 1500 kg* m/s north

Answers

Answer: 1500 kg•m/s north

Explanation:

A PE X
The correct answer is c
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