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AURORKA [14]
3 years ago
10

One different between mixtures and pure substance is that

Chemistry
2 answers:
Anvisha [2.4K]3 years ago
8 0

Answer:

A)  mixtures can be physically separated.

Explanation:

took the test

myrzilka [38]3 years ago
4 0

Answer:

Pure substances cannot be separated into any other kinds of matter, while a mixture is a combination of two or more pure substances.

Explanation:

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A 0.500 g sample of phosphorous vapor exerts a pressure of 550. torr in a 73.1 mL container at 489∘C. What is the molar mass?
Korolek [52]

Answer:

Molar mass= 78.8gmol-1

Explanation:

P= 550torr, V= 0.0732dm3, m= 0.5g , R= 8.314, T= 273+489= 762K

Applying

PV= m/Mm×(R×T)

Substitute and Simplify

Mm= 78.8gmol-1

7 0
3 years ago
A plastic wading pool has a circumference of 12.56 feet. Which procedure will help you
RoseWind [281]

The diameter of  the pool is 4

Explanation:

To calculate the diameter we must write the values given in the question, here

The circumference of the pool is given as C=12.56 feet.

To calculate the diameter of the pool,

If radius is given, Multiply the radius by 2

If Circumference is given divide the circumference by Pi (π)

the constant value for  Pi (π)=3.14

Diameter(D)= C/π

12.56/3.14

=4

The diameter for the plastic wading pool is 4

7 0
3 years ago
State 3 properties of acid​
zaharov [31]

Explanation:

taste sour (vinegar)

smell frequently burns nose

texture sticky

5 0
3 years ago
Abiotic factors in an environment include A) producers. B) decomposers. C) predators and prey. D) sunlight and water. Abiotic fa
Oliga [24]

Answer:

Sunlight and water (D)

Explanation:

Sunlight and water are two of the many abiotic factors that may be present in a particular environment. All other factors mentioned in the choices are biotic factors. Producers are plants; decomposers are fungi and bacteria

5 0
3 years ago
BRAINLIEST, 5 STARS, AND THANKS!!!<br><br>tapos na po ako Dyan katapos kulang ma answer
mezya [45]

Answer:

before

1. Prepare a handy emergency supply kit

2. Know the earthquake hazard in your area

3. Familiarize yourself with the exit routes

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4. Don't enter damaged buildings

After

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Hope this will help you.

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2 years ago
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