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2 years ago

The rate of reaction (reaction rate) is the

1 answer:

3 0

Sugar dissolves faster in a warm liquid than in a cold liquid – this is an example of how temperature influences the reaction rate....

Yes it is. Another example is surface area of reactants, powdered iron fillings would react faster in HCl than iron lumps.

Also your beverage would also dissolve faster in hot water than in cold water, this is also an example of how temperature affects rate of reaction.

There are other examples that can be stated as well.

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Given each pair, complete the sentences to determine which member of each has the stronger intermolecular dispersion forces.

evablogger [386]

Answer:

CH3CH2CH2Cl

CH3CH2CH2CH2CH2SH

Br2

Explanation:

Dispersion forces increases with increase in relative molecular mass. The specie having the greater relative molecular mass definitely has greater dispersion forces. A rough estimation of the relative molecular masses of the species stated in the answer will reveal this fact.

3 0

2 years ago

Vanillin (used to flavor vanilla ice cream and other foods) is the substance whose aroma the human nose detects in the smallest

balu736 [363]

Answer:

Cost to supply enough vanillin is $3.2\$$

Explanation:

Threshold limit of vanillin in air is $2.0\times 10^{-11}g$ per litre means there should be $2.0\times 10^{-11}g$ of vanillin in 1L of air to detect aroma of vanillin.

$1ft^{3}=28.32L$

So, $5.0\times 10^{7}ft^{3}=(5.0\times 10^{7}\times 28.32)L$

So amount of vanillin should be present to detect = $(2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32)g$

As cost of 50 g vanillin is $112\$$ therefore cost of $(2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32)g$ vanillin = $(2.0\times 10^{-11}\times 5.0\times 10^{7}\times 28.32\times 112)\$ = 3.2\$$

5 0

2 years ago

Which system consists of nerves that initiate communication?

LenKa [72]

<span>Peripheral nervous system consists of nerves that help in communication among different parts of the body. In nervous system nerves are used to take and deliver messages. These messages are taken from different parts of the body to brain and these nerves are spreading all over the body.</span>

7 0

3 years ago

Read 2 more answers

What fraction can be used in conversion of 32 m3 to mm3

zimovet [89]

The calculation is (Measurement in m³ x 1000³)

Therefore

Measurement in m³ x 1 000 000

Its not a fraction as there are 1000mm in a m, so to convert from m to mm you must multiply

5 0

2 years ago

Read 2 more answers

How many pints are in a 48 cups?

Feliz [49]

1 cup = 2 pints

48 × 2 = 96 pints

HOPE THIS HELPED
:)

8 0

2 years ago