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3 years ago

The energy stored in molecular bonds is called _____.

2 answers:

8 0

Correct answer is chemical energy.

Reason:

For the chemical reactions to occur, energy is to be supplied for breaking and reorganization of bonds. This energy can be in form of heat, light, etc. Since, breaking of bonds results in chemical reactions to occur, the energy stored in molecular bonds is called Chemical energy.

NISA [10]3 years ago

8 0

The energy stored in molecular bonds is called chemical energy. This energy will produce heat also and this is why molecular bonds uses this chemical energy to support for the process and the structure of the element in order to maintain its stability.

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What scale do we use to measure how acid or alkali something is

aniked [119]

The pH scale is used to measure how acidic or alkaline something is.

Hope that helped you!
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2 years ago

In a double-replacement reaction, the _____.

givi [52]

In a double-replacement reaction, the _____.?

There are many more interesting things to ask about double replacement reactions than are contained in the list given here. But the only correct choice is:

C.reactants are two ionic compounds

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3 years ago

Read 2 more answers

Which one of the following compounds will be least soluble in water?

algol [13]

Water is a polar solvent. Since, 'Like dissolves like' a polar compound will be most soluble in water whereas a non-polar compound will be the least soluble.

The increasing order of polarity for the given organic compounds is:-

CH3OCH3 < CH3NH2 < CH3CHO < CH3CH2OH

Ether is the least polar and hence least soluble in water.

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2 years ago

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In each case of a chemical reaction shown below, state the indicator of the chemical reaction. Identifying Indicators of Chemica

CaHeK987 [17]

Bread dough rises due to the formation of gas.

Explanation:

If we observe the outer part of the bread, which contains tiny hole like structure, due to the gas formation inside the bread dough.

In the bread dough rising process, the industries are using the yeast, which makes the gas that separates the protein particles in the bread move apart and makes the dough of the bread rise.

In this reaction, the yeast utilizing the carbohydrate to make a gas namely carbon-di-oxide gas which makes the dough to rise

8 0

3 years ago

Read 2 more answers

When a reaction has reached equilibrium... A. Q = K B. The rate of the forward reaction and the rate of the reverse reaction are

grin007 [14]

Answer:

The correct answer is option A.

Explanation:

Equilibrium is a state when rate of forward reaction is equal to the rate of backward reaction. The concentration of reactants and products becomes constant at this state.

The ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric coefficients is termed as Equilibrium constant. It is denoted by $K_{eq}$ .

aA + bB $\rightleftharpoons$ cC

$K_{eq}=\frac{[C]^c}{[A]^a[B]^b}$

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2 years ago