What is a cation and where can you find it in the periodic table?? Help pls

Chemistry

2 answers:

tester [92]3 years ago

5 0

A positively charged ion, one that would be attracted to the cathode in electrolysis.

almond37 [142]3 years ago

3 0

Answer: Cations are positively charged ions, due to loss of electrons in an atom

Explanation: Cations are usually metals and are found primarily on group 1 alkali metals, group 2 alkali earth metals, group 3 Boron group and transition metals.

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dezoksy [38]

Answer:

$\Delta H_{comb}=2043.85kJ/mol$

Explanation:

Hello there!

In this case, according to the given chemical reaction, it possible for us to set up the expression for the calculation of the enthalpy change as shown below:

$\Delta H_r=-\Delta H_{comb}=3\Delta _fH_{CO_2}+4\Delta _fH_{H_2O}-\Delta _fH_{C_3H_8}-3\Delta _fH_{O_2}$

Thus, given the values of the enthalpies of formation on the attached file, we obtain: $-\Delta H_{comb}=3(-393.5kJ/mol)+4(-241.8kJ/mol)-(-103.85kJ/mol)-3(0kJ/mol)\\\\-\Delta H_{comb}=-2043.85kJ/mol\\\\\Delta H_{comb}=2043.85kJ/mol$

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