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shusha [124]
3 years ago
14

John's class is doing an experiment that involves mice. The mice are kept in a large, clean cage, and John gives them water and

food every day. Many of John's classmates like to tease the mice and tap on the glass, but John likes to let the mice out to run around in a safe environment at least once a day.
Which part of the mice's treatment is unethical?
Chemistry
1 answer:
Sphinxa [80]3 years ago
5 0
The unethical part about the mice's treatment is that John's classmates are taping on the glass and teasing the mice.
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n a combination redox reaction, two or more ____________ , at least one of which is a(n) ____________ , form a(n) ____________ .
Anna [14]

Answer:

In a combination redox reaction, two or more reactants, at least one of which is a(n) element, form a(n) compound. General Reaction: X + Y > Z

In a decomposition redox reaction, a(n) compound forms two or more products, at least one of which is a(n) element. General Reaction: Z>X+Y

In double-displacement (metathesis) reactions, such as precipitation and acid-base reactions, atoms (or ions) of two compounds exchange places; these reactions are not redox processes. General Reaction: AB+CD>AD+CB

In solution, single-displacement reactions occur when a(n) atom of one element displaces the atom of another. Since one of the reactants is a(n) element, all single-displacement reactions are redox processes. General Reaction: X+YZ>XY+Z

Explanation:

In a combination redox reaction, two or more reactants, at least one of which is a(n) element, form a(n) compound.

General Reaction: X + Y > Z

In the reaction scheme above, X combines with Y to give Z as a product.

In a decomposition redox reaction, a(n) compound forms two or more products, at least one of which is a(n) element.

General Reaction: Z>X+Y

In the reaction scheme above, Z decomposes to X and Y

In double-displacement (metathesis) reactions, such as precipitation and acid-base reactions, atoms (or ions) of two compounds exchange places; these reactions are not redox processes since there are no changes occurring in the oxidation number of the atoms (or ions) involved.

General Reaction: AB+CD>AD+CB

In the reaction scheme above, B and D exchange places in their respective compounds

In solution, single-displacement reactions occur when a(n) atom of one element displaces the atom of another. This type of reaction is due to the difference in the reactivities of the elements. The more reactive atom of one element displaces the least reactive atom of another element from its solution.

Since one of the reactants is a(n) element, all single-displacement reactions are redox processes.

General Reaction: X+YZ>XY+Z

In the reaction scheme above, X displaces Z from the compound YZ.

7 0
2 years ago
Which characteristic best explains the difference in melting behavior of covalent substances and ionic substances?
poizon [28]
Covalent substances have weaker intermolecular attractions.
3 0
3 years ago
Read 2 more answers
Compared to other stars we observe, the Sun appears
marshall27 [118]

The Sun appears bigger and brighter because it is much closer to Earth.

Explanation:

Stars are the celestial objects, formed by collection of luminous body which is spherical in nature. Stars are formed by its own gravity.

Sun is also a star which is bigger in nature. Sun is present at the center of the solar system around which the planets revolve. sun is the main source of light and heat for all the planets revolving around it during day times.

There are also some stars which are bigger and brighter than sun but due to its presence in the solar system at the central position makes it closer to the earth. Therefore this is the main reason sun is bigger and brighter as it is much closer to Earth.

4 0
3 years ago
A balloon filled with 1.22 l of gas at 286 k is heated until the volume is 2.86 L while the pressure remains constant. What is t
telo118 [61]

Answer: 670K

Explanation:

Given that,

Original volume of gas V1 = 1.22 L

Original temperature T1 = 286 K

New volume V2 = 2.86 L

New temperature T2 = ?

Since volume and temperature are involved while pressure is constant, apply the formula for Charles law

V1/T1 = V2/T2

1.22 L/286 K = 2.86 L/ T2

Cross multiply

1.22 L x T2 = 286 K x 2.86 L

1.22T2 = 817.96

Divide both sides by 1.22

1.22T2/1.22 = 817.96/1.22

T2 = 670.459 K (Round to the nearest whole number as 670 K)

Thus, the temperature of the gas is 670 Kelvin

5 0
3 years ago
How soluble was solid #4? If a solid appears in the water after 1 g is added, the solid is not soluble. If the entire solid diss
weqwewe [10]

Answer:

b

Explanation:

6 0
3 years ago
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