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UkoKoshka [18]
3 years ago
9

A teaspoon of powdered caffeine can be as deadly as a teaspoon of ricin. True or False

Chemistry
2 answers:
kicyunya [14]3 years ago
5 0

Answer:

False.

Explanation:

Powdered caffeine is not as deadly as ricin. Ricin is one of the most highly potent toxins in the world. A teaspoon of purified ricin powder can kill an adult human.

Powdered caffeine, on the other hand, is not as dangerous but it still being more dangerous than drinking a cup of coffee. Because a teaspoon of powdered caffeine is like drinking 28 cups of coffee. It is said than 2 teaspoons are able to kill a human.

I hope this answer helps you.

Darina [25.2K]3 years ago
4 0

A teaspoon of caffeine is <em>NOT</em> deadly as teaspoon of ricin                                                                                                            

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Answer:

This metal could be the aluminium with a specific heat of H = 993 \frac{J}{kgC}

Explanation:

A pie of unknown metal presents a mass (M) of 348 g. This metal is heated using energy (E) of 6.64 kJ and the temperature increases from T1 =24.4 to T2 =43.6°C. We can calculate the specific heat (H) of this metal as follows

H = \frac{E}{M*(T2-T1)}

We can replace previously presented data in this equation. After simplifying and converting to adequated units, we found that

H = \frac{6640 J}{0.348 Kg*(43.6-24.4) C} =\frac{6640 J}{6.686 KgC}

Finally, the specific heat of this metal is

H = 993 \frac{J}{kgC}

The aluminium could be the metal, its specific heat is similar to that found in this problem.

Finally,  we can conclude that this metal could be the aluminium with a specific heat of H = 993 \frac{J}{kgC}

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