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slega [8]
3 years ago
15

1pt The Scientific Method begins with a(n)

Chemistry
1 answer:
shusha [124]3 years ago
6 0

The answer is:

B. question

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The vapor pressure of a liquid __________.
mash [69]

Answer:

B

Explanation:

The tendency of a liquid to convert to vapour increases smoothly with increasing temperature. Vapour pressure shows the tendency of a liquid to convert to vapour. Increase In vapour pressure shows an increased tendency to convert to vapour. The higher the temperature, the higher the vapour pressure.

6 0
3 years ago
Determine the concentration of sulfuric acid that needed 47 mL of 0.39M potassium hydroxide solution to neutralize a 25 mL sampl
Ugo [173]

0.73 M is the concentration of sulfuric acid that needed 47 mL of 0.39M potassium hydroxide solution to neutralize a 25 mL sample of the sulfuric acid solution.

Explanation:

Data given:

Volume of the base = 47 ml

molarity of the base= 0.39 M

volume of the acid = 25 ml

molarity of the acid =?

For titration reaction between acid and base, the volume or molarity of any of the base or acid can be determined.  The formula used:

Macid X Vacid = Vbase x Mbase

Macid = \frac{Vbase X M base}{V acid}

putting the values given in the rearranged equation above:

Macid = \frac{0.39 x47}{25}

           = 0.73 M

The concentration of the sulphuric acid needed is 0.73 M.

3 0
4 years ago
Which property describes the shininess of an element?
goldenfox [79]

Answer: Metals are shiny and lustrous with a high density. They have very high melting and boiling points because metallic bonding is very strong, so the atoms are reluctant to break apart into a liquid or gas.

Explanation:

sorry for not answering in less than 1 minute

6 0
3 years ago
Read 2 more answers
What fundamental building block makes up all matter in the universe
Sloan [31]
The building block that makes up all matter in the universe is atoms.

Hope that helps you:)
6 0
3 years ago
A student in class drops an element on the floor and it shatters quite easily. Which property does this best exemplify?
KatRina [158]

Answer:

Glass

Explanation:

6 0
3 years ago
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