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3 years ago

Air Mass Interactions Quick Check

1 answer:

8 0

The true factor in the atmosphere which perfectly explains the student’s observations is: High levels of moisture are contained within an air mass. This goes to say clearly that a very high humidity concentration in the air mass account for the best factor in the atmosphere in the student's observations

An air mass is a huge body of air in the lower atmosphere that has similar temperature, humidity, and air pressure at given height

<h3>Air mass interaction</h3>

When two different air masses come into contact together, they don't mix. Rather, they push against each other along a line called a front. When a warm air mass meets a cold air mass, the warm air rises since it is lighter. At high altitude it cools, and the water vapor it contains condenses.

<h3>Humidity</h3>

Humidity is the amount of water vapor in the air. Ofcourse, if there is a lot of water vapor in the air, the humidity will be high as well.

Learn more about air mass interaction:

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You have a solution with an unknown concentration of hcl, in order to determine the concentration of hcl you titrate 35.00ml of

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Answer:-

0.648 M

Explanation:-

Volume of Ba(OH)2= 34.63ml/1000=0.03463 litre

Number of moles of Ba(OH)2 = 0.3275 M x 0.03463 litre

= 0.01134 moles

Since Ba(OH)2 has 2 OH in its formula,

Number of moles of OH- = 2 x 0.01134=0.02268 moles.

Volume of HCl= 35ml/1000 = 0.035 litre

At the end point number of moles of H+ = number of moles of OH-.

Number of moles of HCL= Concentration of HCl x Volume of HCl

∴ Concentration of HCl = 0.02268 moles/ 0.035 litre

= 0.648 moles/ litre

= 0.648 M

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3 years ago

List the following carboxylic acid derivatives in decreasing order of reactivity in nucleophilic acyl substitution reactions: ac

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Answer:

<h2>acetyl chloride > acetic anhydride > methyl acetate > acetamide</h2>

Explanation:

Such kind of substitution reaction in which nucleophiles and the acyl compound interact is known as nucleophilic acyl substitution reaction. In this reaction, the interaction between carbonyl compounds and the nucleophile takes place by addition reaction. The reactivity of the acyl compound is based on the condition of the leaving group that is related to the acidity of the compounds. So the decreasing order of reactivity of the acyl compounds is, acetyl chloride > acetic anhydride > methyl acetate > acetamide.

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4 years ago

The science of using tree rings to determine absolute age is called

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Option c. dendrochronology

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Example Bristle cone pines (1957) 4723 years old

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4 years ago

Read 2 more answers

9. A student observed the following reaction:

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Answer:

The substance that remained on the filter paper is Al(OH).

Explanation:

Filter paper is the substance that is used in laboratory to separate the solid objects. It doesn't filter aqueous and gaseous products.
So in our experiment the product formed is aluminum hydroxide Al(OH) and sodium chloride (NaCl).
Between two products, sodium chloride is in aqueous form as indicated in the question. So it wont remain in the filter paper.

Hence aluminum hydroxide being only solid product remains on the filter paper.

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3 years ago

How large would the state of New York (235 miles across) be?

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Answer:

235 miles equals 5,280 feet

Explanation:

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