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3 years ago

Why is water displacement an effective way of measuring the volume of an irregular solid?

Chemistry

2 answers:

icang [17]3 years ago

8 0

Answer:

There is no way of finding the volume of an irregular shape.

We cant find the volume of an irregular solid because we can never measure the volume of curves that are present in an irregularly shaped object. so we tend to place this irregular object in a beaker of water so that the volume of water displaced by it will actually show us the volume of object itself. And now we can conclude that water displacement is an effective way of measuring the volume of an irregular solid there is no way of finding the volume of an irregular shape.

Grace [21]3 years ago

4 0

I do not know hope that helped

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1) A
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Answer:

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2 years ago

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Rate law equation The rate of a chemical reaction depends on the concentrations of the reactants. For the general reaction betwe

jekas [21]

<u>Answer:</u> The reaction order with respect to A is 'm'

<u>Explanation:</u>

Order of the reaction is the sum of the concentration of terms on which the rate of the reaction actually depends. It is equal to the sum of the exponents of the molar concentration in the rate law expression.

Elementary reactions the reactions for which the order of the reaction is same as its molecularity and order with respect to each reactant is equal to its stoichiometric coefficient as represented in the balanced chemical equation.

The given chemical equation follows:

$aA+bB\rightleftharpoons cC+dD$

The rate of the above reaction is given to us as:

$Rate=k[A]^m[B]^n$

In the above rate law expression, the order with respect to the reactants is not equal to the stoichiometric coefficients. Thus, it is not an elementary reaction.

Order with respect to reactant A = m

Order with respect to reactant B = n

Hence, the reaction order with respect to A is 'm'

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3 years ago

Which of the following trends can be observed when moving down a column in the periodic table

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Explanation:

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These are some of the variations observed across a period;

Atomic radii decreases progressively from left to right due to the progressive increase in the nuclear charge without an attendant increase in the number of electronic shells.
Ionization energy increases progressively from left to right due to decreasing atomic radii.
Electronegativity increases from left to right.
Electropositivity decreases across a period.

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2 years ago