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3 years ago

PLEASE HELP!!

Chemistry

1 answer:

Montano1993 [528]3 years ago

7 0

Answer:

B: Parent rock breaks into smaller pieces.

Explanation:

Weathering the first step in the process of soil formation. The process of breaking up off the parent rocks into simple forms, is termed as weathering. The formation of soil is a very gradual and slow process. It takes millions of years for the rocks to become soil. The dead and decaying matter of plants and animals are also included in the rocks. Water, sun, climatic conditions and rain are some of the factors that effect weathering.

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if you react 28 grams of butene with excess hydrogen how many grams of butane would you expect to get

liberstina [14]

Answer:

The correct answer is 29 grams.

Explanation:

Based on the given question, the reaction will be,

CH3CH=CHCH3 + H2 ⇒ CH3CH2CH2CH3

The molecular weight of butene is 56 grams per mole, and the molecular weight of butane is 58 grams per mole.

Thus, it can be said that 56 grams of butene reacts with hydrogen gas and produces 58 grams of butane.

Therefore, 28 grams of butene when reacts with hydrogen gas to give,

= 58/56 * 28 = 29 grams of butane.

Hence, the mass of butane produced will be 29 grams.

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3 years ago

What is thermal energy?

Finger [1]

Answer:

D-the measure of temperature in a system

4 0

3 years ago

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Activity C: Hydrolysis of Carbohydrates As discussed earlier, disaccharides are composed of two monosaccharides linked together.

adelina 88 [10]

Answer:

Sucrose: glucose and fructose

Explanation:

What monosaccharides will result from the hydrolysis of sucrose?

Sucrose is a disaccharide composed of 2 different monosaccharides: glucose and fructose joining by a 1 ⇒ 2 bond. These monosaccharides will be released upon the hydrolysis of sucrose.

What monosaccharide will result from the hydrolysis of starch?

Starch is a polysaccharide composed of numerous glucose monomers joined by glycosidic bonds (1 ⇒ 4 and 1 ⇒ 6). These monosaccharides will be released upon the hydrolysis of starch.

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3 years ago

What would happen to the pressure if the volume were reduced to 0.5 l and the temperature increased to 260 ∘c?

Vsevolod [243]

The ideal gas law. PV=nRT pressure x volume = moles x Faraday's constant x Temp Kelvin (C+273) Original data Pressure 1 atmosphere Volume 1 liter Temp 25C = 298K New data Volume 0.5 liter pressure X Temp 260C = 533K P1v1T1 = P2v2T2 plug and chug. (1)(1)(293) = (x)(0.5)(533) Solve for X, which is the new pressure.

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3 years ago

What term describes a carbon atom that has four different groups bonded to it?

oee [108]

A carbon which is attached to four different atoms or group of atoms with different environment is called as Chiral Carbon or Asymmetric Carbon.

Non-superimposable:
 The mirror image (molecule) of chiral carbon cotaining compounds are Non.Superimposable on each other. They are called enantiomers of each other.

Polarized Light and Chiral Carbon:
When a polarized light is allowed to fall on either enantiomer of chiral compound, it is rotated other clockwise or anti-clockwise.

Examples:
Below are three axamples of compounds containing chiral carbon.

8 0

3 years ago