2 years ago

In a system when energy is transformed from one form to another

1 answer:

4 0

An energy transformation is the change of energy from one form to another. Energy transformations occur everywhere every second of the day. There are many different forms of energy such as electrical, thermal, nuclear, mechanical, electromagnetic, sound, and chemical.

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Sodium metal reacts with chlorine gas in a combination reaction. Write a balanced equation to describe this reaction. Click in t

umka2103 [35]

Answer:

Na + Cl ⇒ NaCl

Explanation:

Skeleton equation: Na + Cl ⇒ NaCl

This is already balanced so that is the answer.

6 0

2 years ago

Water can be formed from the synthesis reaction of hydrogen with oxygen PLEASE HELP

Anestetic [448]

Answer:

1.4 mols

4th answer

Explanation:

22. 5 g of O2 in moles = (22.5/32) mols = 0.703 mol

The stoichiometry between O2 and H2O =1: 2

Therefore H2O produced = 2 * 0.703 mols=1.406 mols

8 0

2 years ago

Identify which reaction is NOT a chemical reaction. es )

vova2212 [387]

Answer:

You never listed the options

Explanation:

A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

4 0

3 years ago

Which element has a +2 charge and has a configuration of 1s22s22p3? A) B B) F

PSYCHO15rus [73]

Fluorine(F)

Explanation:-