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Vanyuwa [196]
3 years ago
5

__________ is a characteristic of an organism that allows it to survive better in an environment.

Chemistry
1 answer:
Reil [10]3 years ago
3 0
Adaptation is the characteristic of an organism that allows it to survive better in an environment
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In an experiment, a student transferred 4.50 mL of a liquid into a pre-weighed beaker (the weight of which was determined to be 35.986 g ).

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What is thermal expansion?
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Write a balanced equation for the neutralization reaction between the following (you do not need to include states of matter):
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2 years ago
If the same amount of heat is added to 25.0 g of each of the metals, which are all at the same initial temperature, which metal
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The bismuth sample.

Explanation:

The specific heat c of a substance (might not be a metal) is the amount of heat required for heating a unit mass of this substance by unit temperature (e.g., \rm 1\; ^{\circ}C.) The formula for specific heat is:

\displaystyle c = \frac{Q}{m \cdot \Delta T},

where

  • Q is the amount of heat supplied.
  • m is the mass of the sample.
  • \Delta T is the increase in temperature.

In this question, the value of Q (amount of heat supplied to the metal) and m (mass of the metal sample) are the same for all four metals. To find \Delta T (change in temperature,) rearrange the equation:

\displaystyle c \cdot \Delta T = \frac{Q}{m},

\displaystyle \Delta T = \frac{Q}{c \cdot m}.

In other words, the change in temperature of the sample, \Delta T can be expressed as a fraction. Additionally, the specific heat of sample, c, is in the denominator of that fraction. Hence, the value of the fraction would be the largest for sample with the smallest specific heat.

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3 years ago
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