4 years ago

How has the Internet changed communication in the environmental sciences?

Chemistry

1 answer:

Naily [24]4 years ago

3 0

A. It has made the spread of information faster and easier

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All of the following cannot perform cellular respiration

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How many ml of 12.0 M H2S04 are needed to make 500.0 ml of a 1.00 M solution? What happens to the freezing point and the boiling

lora16 [44]

Answer:

41.66 mL of 12.0 M sulfuric acid are needed.

Explanation:

Concentration of sulfuric acid solution taken = $M_1=12.0M$

Volume of the 12.0 M Solution = $V_1$

Concentration of required solution = $M_2=1.00M$

Volume of required 1.00 M solution = $V_2=500.0 mL$

$M_1V_1=M_2V_2$ (Dilution)

$V_1=\frac{1.00 M\times 500.0 mL}{12.0 M}=41.66 mL$

41.66 mL of 12.0 M sulfuric acid are needed.

The freezing point and the boiling point of a solvent when a non-volatile solute is dissolved in it decrease and increase respectively.

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4 years ago

Which group of elements on the periodic table can have more than one possible charge? noble gases alkali metals alkaline earth m

Kamila [148]

Transition Metals can have more than one possible charge.

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4 years ago

What is created when two different reactions come together

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Answer:

Reactions occur when two or more molecules interact and the molecules change. Bonds between atoms are broken and created to form new molecules

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3 years ago

An element's atomic mass does not include the mass of its _____.

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The correct option would be 'electrons'

This is because electrons have a relative mass of zero.

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