Oxygen is a reactant in combustion and the concentration of oxygen is higher in pure oxygenthan it is in air.
The answer is C, it makes the block easier to lift by changing the direction of the force needed to lift it
Answer:
e. BaSO4 and KCI.
Explanation:
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In this case, given the reactants side:
It is possible to realize that after the reaction takes place barium replaces potassium and therefore barium sulfate and potassium chloride are formed:
Therefore, the products turn out to be e. BaSO4 and KCI.
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Potassium hydroxide is a strong base and hydrobromic acid is a strong acid. This implies that the pH of the end-point [neutralization] of their titration will be around pH 7. A good indicator for this kind of pH is bromthymol blue. This is because this indicator changes its colour at pH 7.