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3 years ago

Define the term homeostasis

Chemistry

1 answer:

8_murik_8 [283]3 years ago

7 0

Answer:

The ability and tendency of certain systems to maintain a relatively constant internal state in spite of changes in external conditions; this ability is achieved by the presence of feedback mechanisms which can adjust the state of the system to compensate for changes in the state caused by the external environment. It is exemplified in homeothermal biological systems, such as animals which maintain relatively constant blood temperature and composition in spite of variations in external temperature or the composition of the food ingested.

Explanation:

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18. When a chemical reaction takes place in an open system, matter_____.

zheka24 [161]

A) can enter from the surroundings, but cannot escape to the surroundings

4 0

3 years ago

Read 2 more answers

The equation for density, d, is

ss7ja [257]

<u>Answer:</u> The density of substance is $3.38g/cm^3$

<u>Explanation:</u>

To calculate density of a substance, we use the equation:

$\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}$

We are given:

Mass of substance = 61.6 g

Volume of substance = $18.2cm^3$

Putting values in above equation, we get:

$\text{Density of substance}=\frac{61.6g}{18.2cm^3}\\\\\text{Density of substance}=3.38g/cm^3$

Hence, the density of substance is $3.38g/cm^3$

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3 years ago

When the forces acting on the object are balanced the object will?

Volgvan

Answer:

When two forces acting on an object are of similar size but acting in opposite directions, we say they are forces of balance. If the forces on an object are balanced (or if there are no forces acting on it), this is what happens: the object stays stationary

8 0

3 years ago

What mass of aluminum chloride could be made from 8.1 g of aluminum and 4.2 L of chlorine at STP?

posledela

In this problem Al metal is a limiting reactant as it is present in less amount as compared to chlorine gas, Hence, controls the formation of ALCl3. So, the amount of AlCl3 produced is 40.05 grams. Solution is as follow,

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3 years ago

Determine the Density of a mass = 2000g and volume = 80ml

sergey [27]

Answer:

Explanation:

D = m/v

D = 2000/80 = 25

5 0

2 years ago