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Katarina [22]
3 years ago
12

Pls help I need it ASAP!!!

Chemistry
1 answer:
hram777 [196]3 years ago
4 0

Answer:

B

Explanation:

because water has the always has the same volume but it can change shape of the glass or container that it is put in

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Match the following group with correct molecule<br> Organic biochem
andreev551 [17]

Answer:

CH₃CH₂CH₂CH₂CH₂OH - E. Alcohol

CH₃CH₂OCH₂CH₃ - F. ether

CH₃CH₂CH₂SH - G. thiol

CH₃COOH - J. Carboxylic acid

CH₃CH(OH)CH₂CH₃ - E. Alcohol

CH₃CH₂CH₂CH₂CHO - A. Aldehyde

CH₃CH₂CH₂COCH₃ - B. Ketone

Explanation:

Currently taking organic chemistry.

Hope this helps. :)

6 0
3 years ago
Energy for this ecosystem originally comes from
erma4kov [3.2K]

Answer:

sunlight is the answer i think

7 0
3 years ago
In the clinical laboratory, testing to identify specific porphyrins is performed using Group of answer choices Fluorometric emis
ziro4ka [17]

Answer:

Fluorometric emission scanning.

Explanation:

Fluorometric emission scanning is used to detect the presence of porphyrins. There are various types of porphyrins and they can be tested in a lab with either, urine or blood sample testing.

8 0
3 years ago
An example of a double comparison is _____.
andriy [413]
The answer is C. more better. Like I'm better everyday :D


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4 0
3 years ago
Need help please I need to select one element for each following families on the periodic table
Aleksandr-060686 [28]

There are five Family on the periodic table that are alkali metals , Alkaline earth metals , transition metals , Halogens family and noble gas family.

1) In alkali metals, there are six elements are present and among all the elements Sodium metal should be selected. Because sodium metal is most abundant metal in the world.

  • uses of sodium are
  • sodium salt are common salt that added to the food to enhance the taste.
  • washing soda are made up of sodium salt which is used as water softener.
  • sodium salts are also used as buffer to maintain Ph.

2) In alkaline earth metal family, The magnesium element should be selected.

  • uses of magnesium are
  • since magnesium is a soft metal so it can burn easily therefore it is used in fire works.
  • magnesium is also important for proper growth and maintenance of bones.
  • Magnesium is light weight metal so it can used to make car seat , luggage and power tools etc.

3) In Halogens gas family , chlorine should be selected.

  • Uses of chlorine are
  • The chlorine is used in cleaning purpose as it act as bleaching agent.
  • Chlorine is also used to prepare the pesticides to removes pest in crops.
  • In refrigerators, the cold breeze is coming out is chlorine gas which are used to increase the shelf life of the plants.

4) In transition metals , copper metal should be choose.

  • Use of copper metal are
  • Copper is highly ductile metal so it drawn into wires and used in various electrical purpose.
  • The copper has anti corrosive properties so it can used in making kitchen utensils.
  • The copper has anti microbial property so it can used in packaging of food.

5) In noble gas elements, The helium gas should be selected

  • uses of helium gas are
  • It used as semiconductors.
  • It used in party balloons.
  • The helium is inert gas so it used to make optical fibers.

These are the daily life usage of all the elements of each family of the periodic table.

Lean more about Periodic Table here

brainly.com/question/15987580

#SPJ9

3 0
1 year ago
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