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2 years ago

2 H2 + O2

Chemistry

1 answer:

cestrela7 [59]2 years ago

5 0

a. The reactants are H2 and O2

b. The product is H2O

c. Yes, the reaction balanced because the number of atoms of each element is the same. It can be seen from coefficient and index on the compound

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Hope this helps you.

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2 years ago

Consider the two electron arrangements for neutral atoms A and B. What is the atomic number of A?

Andreas93 [3]

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3 years ago

For all of the following questions 20.00 mL of 0.200 M HBr is titrated with 0.200 M KOH.

HACTEHA [7]

Answer :

The concentration of $H^+$ before any titrant added to our starting material is 0.200 M.

The pH based on this $H^+$ ion concentration is 0.698

Explanation :

First we have to calculate the concentration of $H^+$ before any titrant is added to our starting material.

As we are given:

Concentration of HBr = 0.200 M

As we know that the HBr is a strong acid that dissociates complete to give hydrogen ion $H^+$ and bromide ion $Br^-$ .

As, 1 M of HBr dissociates to give 1 M of $H^+$

So, 0.200 M of HBr dissociates to give 0.200 M of $H^+$

Thus, the concentration of $H^+$ before any titrant added to our starting material is 0.200 M.

Now we have to calculate the pH based on this $H^+$ ion concentration.

pH : It is defined as the negative logarithm of hydrogen ion concentration.

$pH=-\log [H^+]$

$pH=-\log (0.200)$

$pH=0.698$

Thus, the pH based on this $H^+$ ion concentration is 0.698

3 0

3 years ago

A reaction involves the parts of two compounds switching places to form two new compounds. What type of reaction is this?

In-s [12.5K]

Double Displacement would be correct

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What physical property makes metal pots good for cooking?

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3 years ago

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