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3 years ago

When the vapor pressure of a liquid is equal to the atmospheric pressure, the liquid _____

Chemistry

2 answers:

Whitepunk [10]3 years ago

8 0

Answer:

has no observable changes

Explanation:

Solnce55 [7]3 years ago

5 0

Answer:

O begins to boil

Explanation:

When the vapor pressure of a liquid is equal to the atmospheric pressure, the liquid suddenly begins to boil.

At this point the boiling point of the liquid has been reached.
Further addition of heat energy will cause the liquid to boil vigorously
Subsequently evaporation will start from the surface of the boiling liquid.
The atmospheric pressure is the ambient pressure measured with the respect to the sea level pressure.

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Recovery standards are a necessary tool for determining exactly how much of a particular analyte you are able to extract from a

Dafna11 [192]

Answer:

2.05mg Fe/ g sample

Explanation:

In all chemical extractions you lose analyte. Recovery standards are a way to know how many analyte you lose.

In the problem you recover 3.5mg Fe / 1.0101g sample: 3.465mg Fe / g sample. As real concentration of the standard is 4.0 mg / g of sample the percent of recovery extraction is:

3.465 / 4×100 = 86,6%

As the recovery of your sample was 1.7mg Fe / 0.9582g, the Iron present in your sample is:

1.7mg Fe / 0.9582g sample× (100/86.6) = 2.05mg Fe / g sample

I hope it helps!

5 0

4 years ago

During a chemical reaction substances called reactants During a chemical reaction substance called reactants are combined to for

lutik1710 [3]

Answer:

During a chemical reaction, substance called reactants are combined to form a new substance called products.

this sentence describes reaction and products of a chemical reaction

4 0

3 years ago

How many km are in 5.6mm? 5.6x103 5.6x10-6 5.6x10-3 5.6x106

il63 [147K]

Hey there :)

Question: How many km are in 5.6mm?

=>5.6x10^3

=>5.6x10^-6

=>5.6x10^-3

=> 5.6x10^6

Answer:-

$5.6 \times 10^{ - 6}$

Explanation:-

By using the formula-

$1millimeter = \frac{1}{1000000}$

As 1 with 6 zeros, we convert it into exponential form.

$= > \frac{1}{10^{6} }$

As this above value is fraction type, we can do the reciprocal, thus, the exponent gets a negative value.

$= > 10^{ - 6}$

Now combine with given question.

$= > 5.6 \times 10^{ - 6}$

7 0

2 years ago

Preparation the buffer solution: initial pH of buffer solution: ____ Titration of a weak acid with a strong base: initial pH of

Nikolay [14]

Answer:

pH of buffer solution is 7.0

Initial pH of Weak acid is 3.27

Final pH of weak acid is 3.07

Amount of NaOH added is 1ml

Explanation:

Titration is a process in which acid and base are introduced together until a neutral solution is achieved whose pH value is near to buffer solution which is 7.0, the pH value for acid is below 7 while pH value for base is above 7.

4 0

3 years ago

Boxes on trees in swamps give wood ducks a place to build their nests platforms built on top of telephone poles provide a place

Rus_ich [418]

These artificial homes preserve the resources in the animal's environment and increases population size.

<h3>What is Population size?</h3>

This is defined as the number of organisms in a population at a given place and time.

Since the resources used are artificial, they are preserved with an increase in the population due to reproduction.

Read more about Population size here brainly.com/question/1502078

#SPJ1

8 0

2 years ago