CHEMISTRY HIGH SCHOOL

Which word equation shows lithium oxide being formed from the reaction between oxygen and lithium?1.)oxygen + lithium oxide to lithium

2.)lithium + oxygen to lithium oxide

3.)oxygen + lithium to lithium + oxide

4.)lithium oxide to lithium + oxygen

Answers

Answer 1
Answer:

 The correct answer is the second option. The wordequation that would represent the formation of lithium oxide from lithium metal and oxygen is:

lithium + oxygen to lithium oxide

Inchemical symbols, the balanced chemical equation is expressed as:

Li + O2 = Li2O
Answer 2
Answer:

Answer : The correct option is, (2) lithium + oxygen to lithium oxide

Explanation :

When the lithium react with the oxygen to give lithium oxide as a product.

The balanced chemical reaction will be,

2Li+O_2\rightarrow Li_2O

This reaction can be represented in words as,

Lithium react with oxygen to give lithium oxide.

or,

lithium + oxygen to lithium oxide

Hence, the correct option is, (2) lithium + oxygen to lithium oxide

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Which of these elements has four total electrons in its outer p orbitals? A) barium (Ba) B) nitrogen (N) C) silicon (Si) D) sulphur (S)

Why are some elements more reactive than others?

Answers

All other atoms have less stable electron numbers, so they react with each other and share electrons to be more stable. The most reactive elements tend to be short one or two electron or have one or two extra electrons.
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Whatd to do to make the time go by faster

Answers

Answer:phone

Explanation:phone

Answer:

do something you love to do, or watch your favorite TV show or series :)

Alcohol contains __________
a. ethanol.
b. gasoline.
c. opiates.

Answers

Answer:

Alcohol contains A. ethanol.

Explanation:

Alcohol beverages are drinks that contain more than a minimal amount of ethyl alcohol or ethanol. Ethanol is a chemical compound, considered the main type of alcohol. It is produced by grain fermentation and used as a solvent, as an additive to gasoline and as the intoxicating ingredient of beer, wine, distilled spirits and other beverages.

the answer is A. Ethanol. Ethanol is an active principal in alcoholic beverages

a compound has an empirical formula of C2H303. if its molar mass is 300.20 g, what is its molecular formula?

Answers

2:3:3 is the correct answer

Which of the following is a balanced equation for cellular respiration? A.C6H12O6 + 6O2 6CO2 + 6H2O
B.CO2 + H2O C6H12O6 + O2
C.6CO2 + 6H2O C6H12O6 + 6O2
D.6C6H12O6 + 6O2 6CO2 + H2O
E.C6H12O6 + O2 CO2 + H2O
F.6CO2 + 6H2O C6H12O6 + 6O2

Answers

I did all of the work, and F is the answer I ended up with

What is the pH of a solution with [H+] = 1.25 mc015-1.jpg 10–10 M?

Answers

Answer : The pH of a solution is, 9.903

Explanation : Given,

Concentration of hydrogen ion = 1.25* 10^(-10)M

pH : It is defined as the negative logarithm of hydrogen ion concentration.

Formula used :

pH=-\log [H^+]

Now put the value of hydrogen ion concentration in this formula, we get the pH of a solution.

pH=-\log (1.25* 10^(-10))

pH=9.903

Therefore, the pH of a solution is, 9.903
[ H+]=10-pH
it become
[H+]=0.1
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