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fomenos
3 years ago
5

Which elements properties form the basis for all life

Chemistry
2 answers:
STatiana [176]3 years ago
7 0

Answer:The properties of carbon forms the basis for all life. Explanation: The atoms of carbon are found in the molecules of all living species.Apr 8, 2018

liraira [26]3 years ago
4 0

Answer: The properties of carbon forms the basis for all life.

Explanation: The atoms of carbon are found in the molecules of all living species.

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A noncyclical alkane hydrocarbon containing eight carbon atoms should also contain eighteen hydrogen atoms.
Angelina_Jolie [31]
Hydrocarbons which contain only single bonds are called alkanes.  <span>This gives them a general </span><span>formula CnH2n</span>+<span>2. Given we are given eight carbon atoms then it should be that it would have 2(8)+2 = 18 hydrogen atoms. Therefore, the statement is true.</span>
5 0
4 years ago
6.How many moles of gas would be in contained in a 11.2 L container that is at a
qaws [65]

0.34 moles of gas would be contained in a 11.2 L container that is at a pressure of 0.75 atm and 300 K.

<h3>HOW TO CALCULATE NUMBER OF MOLES?</h3>

The number of moles of a substance can be calculated using the following expression:

PV = nRT

Where;

  • p = pressure (atm)
  • v = volume (L)
  • n = number of moles
  • R = gas law constant
  • T = temperature

0.75 × 11.2 = n × 0.0821 × 300

8.4 = 24.63n

n = 8.4 ÷ 24.63

n = 0.34 moles

Therefore, 0.34 moles of gas would be contained in a 11.2 L container that is at a pressure of 0.75 atm and 300 K.

Learn more about number of moles at: brainly.com/question/1190311

4 0
2 years ago
Identify reagents necessary to convert cyclohexane into 1,3-cylohexadiene: notice that the starting material has no leaving grou
Vinvika [58]
<span>1,3-cylohexadiene i synthesized starting from cyclohexane in following 4 steps.

1) Free Radical Substitution Rxn:
 Halogenation of cyclohexane in the presence of UV yield chlorocyclohexane.

2) Elimination Rxn: Dehydrohalogenation of chlorocyclohexane yields cyclohexene.

3) Halogenation of Cyclohexene (Electrophillic Addition Rxn) gives 1,2-dihalocyclohexane.

4) Elemination Rxn: When dibromocyclohexane is treated with KOH and heated it gives 1,3-cyclohexadiene as shown below,</span>

4 0
3 years ago
HELP!!! i will give brainliest!!
ICE Princess25 [194]

Answer:

Explanation:

fluorine have gained one electron that is why the sign is -1. they both have different number of protons. They have different neutron numbers. F have 10 and O have 8.

hope this helps :)

4 0
3 years ago
Which clue can be used to identify a chemical reaction as a decomposition reaction?
sergij07 [2.7K]

Answer:

The reaction has a single reactant

Explanation:

Decomposition reaction is a reaction in which an insoluble single compound is heated at a high temperature and decomposes into several products.

Typically, we may see decomposition of calcium carbonate producing calcium oxide and carbon dioxide, this is represented by the following reaction:

CaCO_3 (s)\rightarrow CaO (s) + CO_2 (g)

Another example would be decomposition of ammonium nitrite. Ammonium nitrite would decompose into nitrogen and water:

NH_4NO_2 (s)\rightarrow N_2 (g) + 2 H_2O (l)

Notice that the two examples above share something in common: the two decomposition reactions have a single reactant.

4 0
3 years ago
Read 2 more answers
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