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Orlov [11]
3 years ago
13

What element is similar to Baruim

Chemistry
2 answers:
Levart [38]3 years ago
8 0
Radium
give me brain giv mea brain give me brain fobe me brain give me brain
aivan3 [116]3 years ago
3 0

Answer:

calcium ca

Explanation:

We can see here that the only element that is on the same group (column) as Ba (Barium) is Calcium (Ca).

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4 years ago
A teaspoon of powdered caffeine can be as deadly as a teaspoon of ricin. <br><br> True or False
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If heat transfers from the system (solute) to the surroundings (solvent), then AH is
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Answer:

B) exothermic.

Explanation:

Hello!

In this case, we need to keep in mind that exothermic reactions release heat, so they increase the temperature as the final energy is less than the initial energy; in contrast, endothermic reactions absorb heat, so they decrease the temperature as the final energy is greater than the initial energy.

In such a way, when a dissolution process shows off a negative enthalpy of dissolution, we infer it is an exothermic process due to the aforementioned; therefore, the answer is:

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