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Verizon [17]
2 years ago
15

How many electrons will be in the valence of non- H atoms when they make covalent bonds?

Chemistry
1 answer:
NNADVOKAT [17]2 years ago
8 0

Answer:

Please one time click here

Mark brainliest

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What type of reaction is shown here?<br> C3H2O + 4023 CO2 + 3 H2O
Bogdan [553]

answer: combustion

C3H6O + 4 O2 → 3 CO2 + 3 H2O = COMBUSTION

6 0
2 years ago
If 63.99 mL of Ba(OH)2 is required to neutralize 56.3 mL of 0.0410 molar HCl, what is the molarity of the Ba(OH)2 ?
neonofarm [45]

Answer:

0.0181 M

Explanation:

Let's consider the following neutralization reaction.

2 HCl + Ba(OH)₂ → BaCl₂ + 2 H₂O

56.3 mL of 0.0410 M HCl react. The moles of HCl are:

0.0563 L × 0.0410 mol/L = 2.31 × 10⁻³ mol

The molar ratio of HCl to Ba(OH)₂ is 2:1. The moles of Ba(OH)₂ are:

1/2 × 2.31 × 10⁻³ mol = 1.16 × 10⁻³ mol

There are 1.16 × 10⁻³ mol of Ba(OH)₂ in 63.99 mL. The molarity of Ba(OH)₂ is:

1.16 × 10⁻³ mol/ 63.99 × 10⁻³ L = 0.0181 M

6 0
3 years ago
Do butterfly coral and amoeba come from preexisting cells
faust18 [17]
Yes, all cells come from preexisting cells.
8 0
3 years ago
What is meant by she? select one: a. shared half electrodes b. shifting half of the electricity c. standard hydrogen electrode d
ss7ja [257]

Standard Hydrogen Electrode is meant by SHE.

The Standard Hydrogen Electrode, often known as SHE, has a standard electrode potential of 0 at 298 K. It is frequently abbreviated as SHE. This is so that it can be used as a benchmark when comparing it to other electrodes.

The SHE half cell reaction is expressed as follows:

2H+ (aq) + 2e- → H2 (g)

Typically, a platinum electrode serves as the catalyst for the reaction described above. The hydrogen gas inside of this half cell is under 1 bar of pressure.

The standard hydrogen electrode is used to measure the current and voltage fluxes during half-reactions.

The Standard Hydrogen Electrode, or SHE for short, serves as a base line in the electrochemical reactivity series and is used to calculate the potential values of various atoms and ions.

At a temperature of 298K, the standard electrode potential (SHE) is set to zero.

Learn more about Standard Hydrogen Electrode here brainly.com/question/13421360

#SPJ4

4 0
2 years ago
Ira is working in a lab with a unknown solution. when he inserts the electrical conductivity tester in the in known, the bulb be
valentina_108 [34]

Ira is working in a lab with a unknown solution. when he inserts the electrical conductivity tester in the in known, the bulb begins to glow brightly. which of these would best describe the unknown liquid ?


A)    It contains polar molecules that conduct electricity.  

B) The water that the solid is dissolved in conducts electricity.  

C) It contains a ionic compound that conducts electricity in solution.  

D) It contains a covalent compound that conducts electricity in solution.

                                        ANSWER:

C) It contains a ionic compound that conducts electricity in solution.

for usatestprep YW

3 0
3 years ago
Read 2 more answers
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