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Crazy boy [7]
3 years ago
14

Which method can be used to separate a mixture of ethanol and water into its

Chemistry
2 answers:
irakobra [83]3 years ago
6 0
A. Distillation is the correct answer
Alex_Xolod [135]3 years ago
4 0

Answer:

A, Distillation

Explanation:

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A gas is collected at a temperature of 25.2 degrees celcius and a pressure of 0.967 atm. What pressure would the gas have at a t
Nimfa-mama [501]

Answer:

1.707599191 atm

Explanation:

44.5 divided by 25.2 = 1.765873 (i used calculator to double check)

1.765873 x 0.967 = 1.707599191 (used calculator)

5 0
3 years ago
NAME the four phases of matter and DESCRIBE how the intermolecular forces and kinetic energy change as you change phases.
weqwewe [10]

Answer: Substances on Earth can exist in one of four phases, but mostly, they exist in one of three: solid, liquid or gas. Learn the six changes of phase: freezing, melting, condensation, vaporization, sublimation and deposition. Intermolecular forces are forces between molecules that determine the physical properties of liquids and solids. 11.2 Vaporization and Vapor Pressure— vaporization is the conversion of a liquid to a gas (vapor), and the quantity of heat associated with this phase change is known as the enthalpy (heat) of vaporization. When kinetic energy is increasing molecules are simply moving faster. However, when the potential energy is increasing molecules are changing phases. Therefore, when the potential energy is increasing is when the molecule is changing phases. Phase changes require either the addition of heat energy (melting, evaporation, and sublimation) or subtraction of heat energy (condensation and freezing). ... Changing the amount of heat energy usually causes a temperature change.

HOpe this helps..... Stay safe and have a Merry Christmas!!!!!!!!!! :D

5 0
3 years ago
A student measures the heights of four bean plants grown in different types of soil. The amount of water given to each plant is
Lorico [155]

Answer:

The independent variable here is the types of soil

Explanation:

An independent variable is the variable that is not affected by the outcome of other variables in a given experiment. This variable is the variable that is intentionally altered/changed (directly or indirectly) by the researcher in order/expected to produce a result for the experiment. Thus, the independent variable here is the types of soil. This is because the soil was intentionally changed/varied by the researcher and it's expected to determine the heights of the bean plants grown.

7 0
3 years ago
The kind of
skelet666 [1.2K]

Answer:

fgrthrdfghgfgfhfdhfdh

Explanation:

fdhhfgdghhdfghdfhgfhgfgh

7 0
2 years ago
My theoretical yield of beryllium chloride was 10.7 grams. If my actual yield was 4.5 grams, what was my percent yield?
artcher [175]

Answer:

The percent yield of this reaction is 42.1 % (option B)

Explanation:

Step 1: Data given

Theoretical yield of beryllium chloride = 10.7 grams

actual yield of beryllium chloride = 4.5 grams

Step 2: Calculate the percent yield for this reaction

Percent yield = (actual yield / theoretical yield) * 100%

Percent yield = (4.5 grams / 10.7 grams ) * 100 %

Percent yield = 42.1 %

The percent yield of this reaction is 42.1 % (option B)

6 0
3 years ago
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