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Lady_Fox [76]
3 years ago
7

State the importance of oxygen for germination process

Chemistry
1 answer:
tamaranim1 [39]3 years ago
3 0
Plants need oxygen to survive. 
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A tank of water was contaminated with a colored dye (D). To determine the concentration of D, an analyst took 5.0-mL solution fr
alekssr [168]

Answer:

0.005 M

Explanation:

Given data:

volume of sample solution ( volume of D ) = 5.0 mL

volume of added stock solution ( V1 ) = 5.0 mL

concentration of added stock solution ( N1 )  = 0.02 M

Total volume of concentration  ( V2 )= 10 mL = ( 5.0 mL + 5.0mL)

concentration of Total volume of sample ( C2 ) = 0.01

N2 = ( N1V1 ) / V2

     = ( 0.02 * 5 ) / 10 = 0.01 m

absorbance of sample solution ( A1 ) = 0.10

absorbance of additional sample solution ( A2 ) = 0.20

attached below is the remaining part of the detailed solution

3 0
2 years ago
Heat flows in the ocean and the atmosphere is
Nutka1998 [239]

Answer:

Cool flows down-warm flows up

Explanation:

3 0
2 years ago
This electron cloud model of aluminum has _______ energy levels with _______ electrons on its outer energy level. A) 1, 2 B) 2,
Talja [164]

Answer:

C

Explanation:

Have anice day

7 0
3 years ago
What is the temperature of water when baking soda and citric acid is mixed with it?
asambeis [7]

Answer:

brainly.com/question/18996619?answering=true&answeringSource=feedPublic%2FhomePage%2F7

Explanation:

brainly.com/question/18996619?answering=true&answeringSource=feedPublic%2FhomePage%2F7

brainly.com/question/18996619?answering=true&answeringSource=feedPublic%2FhomePage%2F7

brainly.com/question/18996619?answering=true&answeringSource=feedPublic%2FhomePage%2F7

brainly.com/question/18996619?answering=true&answeringSource=feedPublic%2FhomePage%2F7

brainly.com/question/18996619?answering=true&answeringSource=feedPublic%2FhomePage%2F7

4 0
3 years ago
Swim ability is it materials ability to burn in the presence of
eduard

Answer: Flammability is a material's ability to burn in the presence of oxygen.

Explanation: Chemical properties can be observed only when the substance changes into one or more different substances through chemical reactions or transformations. One of the chemical properties is flammability.

Flammability is a material's ability to burn in the presence of oxygen.

Remember, oxygen doesn't burn. Precisely flammable substances obtain substances that burn. Oxygen remains an oxidizing agent, which means it supports the combustion process. Oxygen causes other objects to catch fire at low temperatures and burns hotter and faster. But oxygen itself does not burn. Consequently, if you at present deliver fuel and fire, adding oxygen will provide the fire.

Carbon dioxide is the result of combustion. An example can be seen in firewood in a fireplace. One of the chemical properties of carbon-based wood is having the ability to burn. Chemically the wood turns into carbon dioxide when it burns and leaves a residue of ash. Furthermore, this ash residue cannot be turned back into the wood. Chemical changes result in new substances.

Consider an example of a combustion reaction to methane gas:

Our balanced equation for methane combustion implies that every one CH₄ molecule reacts with two O₂ molecules. The product of combustion is one carbon dioxide molecule and two steam or water vapor molecules.

6 0
2 years ago
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