What is a reaction rate

Answers

Answer 1

Answer:

Explanation:

A reaction rate is the measure of the change in concentration of the disappearance of reactants or the change in concentration of the appearance of products per unit time

Related Questions

help me with this attachment please

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Answer:

See explanation

Explanation:

Let us recall that the basic rule in writing balanced chemical reaction equations is that the number of atoms of each element on the right hand side of the reaction equation is the same of the number of atoms of the same element on the left hand side of the reaction equation.

The reaction of red hot iron and steam is written as follows;

3Fe + 4H2O → Fe3O4 + 4H2.

The decomposition reaction of ammonium dichromate is written as;

(NH4)2Cr2O7 → N2 + Cr2O3 + 4H2O

Reaction of aluminium, sodium hydroxide and water is as follows,

2Al + 2NaOH + 2H2O ----> 2NaAlO2 + 3H2

Reaction of potassium bicarbonate with sulphuric acid;

2KHCO3 + H2SO4 -------> K2SO4 + 2H2O + 2CO2

Reaction of zinc and sodium hydroxide is as follows;

Zn + 2NaOH→Na2ZnO2 + H2

State the name(s) of the sub-atomic particle(s) that have/has a positive charge. Answer with the name of the particle(s) only.

A. Neurons
B. Protons
C. Electrons

Answers

Protons hope this helps

Answer:

protons because they have the most positive charge

Which two of the following changes of state involve solids?
Select two (2) answers

A. melting

B. boiling

C. freezing

D. evaporating

Answers

Answer:

Answer is A... Melting and freezing

Why do we need to know these organic molecules?
Are they important to living things?

Answers

Answer:

Organic molecules are important to living things because life is based on the properties of carbon.

Properties of Carbon

Carbon is an important element because it can form four covalent bonds.

Carbon skeletons can vary in length, branching, and ring structure.

The carbon skeletons contain the functional groups that are involved in biochemical

Explanation:

Hope it helps

An oxygen atom has 8 protons. What number of neutrons would make an
oxygen atom most stable?

A. 10
B. 6
C. 12
D. 8

Answers

D. 8

Hope this helps! :)

______________

Answer:

D: 8 neutrons would make it most stable

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