3 years ago

Technological advances in microbiology are providing evidence which indicates:

Chemistry

2 answers:

melomori [17]3 years ago

7 0

Cells and microorganisms are extremely complex

Evgen [1.6K]3 years ago

4 0

The answer is: B.) cells and microorganisms are extremely complex. D.) life could not originate solely by chemical combinations.

Hope this helps!

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HELPPPPPP MEEEE‼️‼️‼️Use the equations from

Step2247 [10]

1.180
2.-900
3.20
4.8
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8 0

3 years ago

Why are most solid ionic compounds electrically nonconductive, whereas aqueous solutions of ionic compounds are good conductors

Allisa [31]

Answer:

there must be free-moving electrons in a compound to conduct electricity.

in solid ionic compounds, there are no free electrons so it can't conduct electricity.

But in aqueous form the forces of attraction are broken and the ions (cations and anions) are free to move. This means there are free electrons that allow the aqueous compound to conduct electricity.

8 0

2 years ago

Use the table to determine the number of protons for each atom. Then, choose the statement below that is true about the two atom

Lilit [14]

C
The elements are Lithium and Beryllium— just look at the mass number on the periodic table

5 0

2 years ago

Propane burns in oxygen to produce carbon dioxide and steam. The unbalanced equation for this reaction is: C3H8 + O2 → CO2 + H2O

NemiM [27]

Here is your answer

C3H8 + O2-----> CO2 + H2O

Balancing C atoms

C3H8 + O2------> 3CO2 + H2O

Balancing H atoms

C3H8 + O2------> 3CO2 + 4H2O

Balancing O atoms

C3H8 + $\bold{5}$ O2-------> $\bold{3}$ CO2 + $\bold{4}$ H2O

Hence the equation is balanced.

HOPE IT IS USEFUL

8 0

3 years ago

Increasing temperature makes a

LenKa [72]

Answer:

High temperature increases the number of high energy collisions

Explanation:

Increasing the temperature a reaction takes place at increases the rate of reaction. At higher temperatures, particles can collide more often and with more energy, which makes the reaction take place more quickly.

5 0

2 years ago