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Scrat [10]
2 years ago
15

Which two statements describe organ systems working together to bring

Chemistry
2 answers:
morpeh [17]2 years ago
8 0
Answer is b hope this helps
ruslelena [56]2 years ago
6 0

Answer:  A and C are the right answer.

Explanation:

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If the same large amount of heat is added to a 250 g piece of aluminum and a 150 g piece of aluminum, what will happen? The 150
Inga [223]

Answer:

The 150 g Al will reach a higher temperature.

Explanation:

  • The amount of heat added to a substance (Q) can be calculated from the relation:

<em>Q = m.c.ΔT.</em>

where, Q is the amount of heat added,

m is the mass of the substance,

c is the specific heat of the substance,

ΔT is the temperature difference (final T - initial T).

Since, Q and c is constant, ΔT will depend only on the mass of the substance (m).

∵ ΔT is inversely proportional to the mass of the substance.

<em>∴ The piece with the lowest mass (150.0 g) will reach a higher temperature than that of a higher mass (250.0 g).</em>

<em>So, the right choice is: The 150 g Al will reach a higher temperature.</em>

3 0
2 years ago
Copy and Complete these sentences to describe how particles are arranged in solids, liquids, and gases.
creativ13 [48]

Answer:

soilds - close together  arranged in a regular way

liquids - close together  arranged in a random way

gases - far apart  arranged in a random way

Explanation:

8 0
2 years ago
What does autosexual mean?
kolezko [41]

Answer:

Autosexuality means people are more attracted to themselves than to others and may prefer masturbation to sex with a partner.

6 0
2 years ago
Read 2 more answers
When I googled how to balance this chemical equation K2CrO4+NaHSO3+H2O=NaHSO4+KOH+Cr(OH)3 they gave me the balanced form of 2K2C
galina1969 [7]
Whatever is on one side of the equation needs to be the same as the other. So K2CrO4+NaHSO3+H2O=NaHSO4+KOH+Cr(OH)3 you need to balance the equation between the = to make a balanced equation.
3 0
3 years ago
What error, if any, would the calculated density of the solid have if the material had a hollow center?
maria [59]

Answer:

3) The calculated density would be high, because the volume would be incorrectly measured low.

Explanation:

Density is defined as mass per unit volume. It means the density is inversely proportional to the volume.

A solid with a hollow center will have high volume due to air inside the hollow area that will lead to low density.

But the error in the calculation of density is that the "density would be high, because the volume would be incorrectly measured low."

Hence, the correct answer is "3)"

3 0
3 years ago
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