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Radda [10]
3 years ago
11

3.What is evaporation?

Chemistry
1 answer:
djverab [1.8K]3 years ago
6 0
Evaporation is the change from a liquid to gas
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In redox reactions, _____________ occurs when electrons are lost by a molecule. ______________ occurs when electrons are gained
madam [21]

Answer:

Oxidation, Reduction

Explanation:

A redox reaction is a short form for reduction-oxidation.

Reduction is a term which means that electron is gained while oxidation is a term which means that electron Is lost.

The species that gain electron is known as the oxidizing agent while the species losing electrons is known as the reducing agent

6 0
3 years ago
What is the driving force for the reaction of HCl(aq) and NaOH(aq)?
Andru [333]
HCl and NaOH react based on the following equation:
HCl + NaOH ..............> NaCl + H2O

This reaction is known as a double replacement reaction. In this types of reactions, the electrolyte (and the solvent) is water and the driving force is mainly the formation of a non-electrolyte produce.

Based on this, the driving force in the above neutralization reaction is the formation if the non-electrolyte salt (NaCl)
8 0
3 years ago
Which of these substances is a compound <br><br> Carbon<br> Chlorine<br> Uranium <br> Ammonia
svetlana [45]
The answer to this question will be Uranium
4 0
3 years ago
PLEASE ANSWER
LuckyWell [14K]

Answer:

D. His device would not be successful because radio waves do not have enough energy to kill the bacteria.

Explanation:

3 0
3 years ago
A one or two letter symbol indicating a particular element two words no spaces
Andreyy89

Answer:

The Symbols of elements is given by :

IUPAC : International Union Of Pure and Applied Chemistry .

Its is the Universally recognuised organisation which works on Chemical nomenclature and terminology.

Explanation:

According to IUPAC the elements are named according to mythological concept of country ,mineral , place , property and scientist.

Ex:Copper name comes from the old english word Cyprus.

Rules of Naming elements :

1. The first Alphabet of the element is always Capital.Example:-  

Sodium : Na  not ''na'

2. The second alphabet is always small .Example

Sodium : Na  not ''nA' or NA

3.For most of the elements ,The symbol of the element comes from the <u>first two words.</u>

Example : Hydrogen : H

Helium : He

Copper : Cu

Rules for naming elements having mass> 100

1. The names are derived directly from the atomic number .

Ex : 0 = nil    1= un    2=bi   3=tri

2. The name always ends with ''ium''

For example :

102 = Unnilbium

5 0
4 years ago
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