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zhuklara [117]
3 years ago
15

One _______ is the amount of time needed for half of a given amount of radioisotope to decay into its stable daughter product.

Chemistry
1 answer:
adell [148]3 years ago
3 0
One "Half-life" . . .
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3 years ago
ASAPPP. Describe how you could determine the specific heat of a sample of a solid substance. You may
Allushta [10]

Answer:

I would use calorimetric to determine the specific heat and I would measure the mass of a sample

Explanation:

I would use calorimetry to determine the specific heat.

I would measure the mass of a sample of the substance.

I would heat the substance to a known temperature.

I would place the heated substance into a coffee-cup calorimeter containing a known mass of water with a known initial temperature.

I would wait for the temperature to equilibrate, then calculate temperature change.

I would use the temperature change of water to determine the amount of energy absorbed.

I would use the amount of energy lost by substance, mass, and temperature change to calculate specific heat.

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3 years ago
When ionic compounds are added to water, they dissociate or break apart into ions. In the case of table salt, salt added to wate
Lostsunrise [7]

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b dissociate

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5 0
3 years ago
Is a graph that starts at 25 and drops to 21, stays the same in temperature an endothermic reaction or an exothermic reaction?
ki77a [65]

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Explanation:

Endo and Exo thermic are defined by what changes take place in the environment of the reaction.

If the temperature goes up, the reaction is giving up heat. It is Exothermic.

If the temperature goes down, the reaction requires heat. It is Endothermic.

In this case, the temperature went down. The reaction is Endothermic.

5 0
2 years ago
Wood and a cement block are considered to be transparent and are good conductors of electricity.
Tanzania [10]

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ITS FALSE electricity doesn't travel through wood same with cement!

3 0
3 years ago
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