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Neporo4naja [7]
3 years ago
14

What energy transformations took place in transforming chemical energy into kinetic energy? How many energy transformations can

you list in this process?
Chemistry
2 answers:
umka2103 [35]3 years ago
8 0

Answer:

Energy transformations are processes that convert energy from one type (e.g., kinetic, gravitational potential, chemical energy) into another. Any type of energy use must involve some sort of energy transformation

Explanation:

Hii army hope it will help you

fredd [130]3 years ago
7 0

1 TheThe Sun transforms nuclear energy into heat and light energy.

2 Our bodies convert chemical energy in our food into mechanical energy for us to move.

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4. How many grams of hydrogen is produced from 12.5 g of Mg reacting with hydrochloric acid in this
Volgvan

From the reactions, 1.04 g of H2 and 7.995 g of aluminum phosphate is produced.

<h3>What is stoichiometry?</h3>

The term stoichiometry has to do with the amount of substances that participates in a reaction.

For reaction 1;

Mg + 2HCl → MgCl₂ + H₂

Number of moles of Mg reacted =  12.5 g/24g/mol = 0.52 moles

If 1 mole of Mg produced 1 mole of H2

0.52 moles produces 0.52 moles of H2

Mass of H2 =  0.52 moles * 2 g/mol = 1.04 g

For reaction 2;

2Li3PO4 + Al2(SO4)3 → 3Li2SO4 + 2AIPO4

Number of moles of lithium phosphate =  7.5 g/116 g/mol = 0.065 moles

2 moles of Li3PO4 produced 2 moles of AIPO4

0.065 moles of  Li3PO4 produced 0.065 moles of AIPO4

Mass of AIPO4  = 0.065 moles  * 123 g/mol = 7.995 g

Learn more about stoichiometry:brainly.com/question/9743981

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8 0
2 years ago
What type of reactive intermediate is formed in the reaction of an alkene with aqueous acid to give an alcohol?
Mariana [72]

Answer:

The intermediate is carbocation.

Explanation:

The reaction of alkene with an acid to give alcohol is an electrophilic addition reaction.

In electrophilic reaction, the alkene is being attacked by an alkene.

in case of aqueous acid reaction with alkene , the electrophile is [H⁺].

When the proton attacks the alkene it generates carbocation.

The carbocation generated is formed based on stability of carbocation.

The mechanism is shown in the figure.

5 0
3 years ago
What is the molar mass, in grams, of a mole of an element equal to?
Paha777 [63]
The molar mass, in grams, of a mole for an element is equal to the atomic weight if the element.
3 0
3 years ago
Read 2 more answers
Which property among the following is best suitable for metalloids
QveST [7]

Answer:

2. Have the property of metals and non-metals

Explanation:

A metalloid is a substance that posseses the characteristics of both metals and non-metals. In other words, it can be said to be an intermediary between metals and nonmetals.

According to this question, a metalloid

4 0
3 years ago
Would you predict that the C−O bond lengths in the formate ion would be longer or shorter relative to those in CO2?
ivolga24 [154]
The Lewis structures for formate ion and carbon dioxide are shown in the attached pictures. As you can see, the formate ion consists of one C=O bond and one C-O bond, while carbon dioxide has two C=O bonds. Double bonds are weaker, hence, longer compared to single bonds. Therefore, the C-O bonds in the formate ion is shorter than those in carbon dioxide.

3 0
3 years ago
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