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nlexa [21]
3 years ago
6

Comparing the characteristics of homogeneous and heterogeneous​

Chemistry
1 answer:
Sergeu [11.5K]3 years ago
4 0

answer: A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases.

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What is the volume of 0.200 mol of an ideal gas at 200. kPa and 400. K?
Alexxandr [17]

3.3256 Liters

See the image I have shared to you above

3 0
3 years ago
What is the chemical formula for monosaccharides?
goldfiish [28.3K]
Since monosaccharides are the simplest units of carbohydrates, then they are made up of carbon, hydrogen, and oxygen atoms. 

empirical formula : CxH2xOx
where
x  \geqslant 3
Monosaccharides can be classified by the number x of carbon atoms they contain: triose(3) tetrose (4), pentose (5), hexose (6), heptose (7), and so on.
5 0
3 years ago
Gasoline has an octane number of 70.
mariarad [96]
Best Answer: o.n. = 70 means 70% isoctane for which o.n. = 100 and 30% of heptane for which o.n. = 0
5 0
3 years ago
The number of grams present in 1.35 mol of Fe is
BlackZzzverrR [31]
First you need to find the mass of one mole of the element. (say Fe) Find Fe on the periodic table, it should tell you what the average atomic mass is. The average atomic mass = mass of one mole.(in this case it is 55.85g) Take your moles (1.35mol Fe) and multiply it by the mass of one mole (55.85g) 1.35mol*55.85g/mol=75.39g (Just repeat that method for the other problems) use the formula <span><span>moles=<span><span>mass</span><span>Molar mass

</span></span></span></span>
5 0
3 years ago
What mass of silver has a volume of 105.0 cm^3? The density of silver is 10.50 g/cm^3
sammy [17]

Answer:

<h2>mass = 1102.50 g</h2>

Explanation:

The density of a substance can be found by using the formula

Density =  \frac{mass}{volume}

Making mass the subject we have

<h3>mass = Density × volume</h3>

From the question

Density of silver = 10.50 g/cm³

Volume = 105 cm³

Substitute the values into the above formula and solve for the mass

That's

mass = 10.5 × 105

We have the final answer as

mass = 1102.50 g

Hope this helps you

4 0
3 years ago
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