examples of food borne illnesses
Answer:
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Explanation:
<span>If mass remains the same while the volume of a substance increases, the density of the substance will decrease. The increase in the volume is called expansion, while the decrease in the volume is called contraction.
</span><span>The density measures how much matter (mass) there is in a given amount of space (volume). So, if the mass stays the same and the volume increases then there is the same amount of mass ad before but in bigger volume so the density is decreased. </span>
Answer:
W=Q.
Explanation:
Considering the given information, initially, work done is greater than 0 and heat removed is less than 0. Then the work is applied by compressing the air. Since the temperature remains constant and no state-change has been mentioned therefore, internal energy also remains same. Hence, all the work done in compressing the gas is converted into heat removal. Hence, work done compressing the gas |W| equals the amount of heat removed |Q|.
