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Diano4ka-milaya [45]

3 years ago

12

What kind of mixture is a solution

2 answers:

aleksandrvk [35]3 years ago

8 0

A simple solution is basically two substances<span> that are evenly mixed together. One of them is called the solute and the other is the solvent. A solute is the substance to be dissolved (sugar). The solvent is the one doing the dissolving (water).</span>

blagie [28]3 years ago

3 0

<span>The answer is homogeneous.

</span><span>The best description is homogeneous. The particles which are dissolved are invisible, which is why solutions, unlike colloids or suspensions, are always clear.</span>

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The gas molecules that make up air are in two rooms. The gas molecules in the kitchen are moving faster than the gas molecules i

kaheart [24]

D, I think.
Because the bedroom is closer to the windows where is cold and wind went through, while the kitchen is a hot spots.

5 0

3 years ago

Convert 300c into kelvin and Fahrenheit scale

Nitella [24]

Explanation:

300c = 1.8f+32= please calculate it yourself ☺

300c= k+273= 573k

5 0

3 years ago

Consider the following reaction: 3Fe(s) + 4H₂O(g) ➞ Fe₃O₄(s) + 4H₂(g). To answer the following question: "How many moles of hot

Elodia [21]

Answer: 2

Explanation:

To calculate the moles :

$\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}$

$\text{Moles of} Fe_3O_4=\frac{275g}{233.5g/mol}=1.18moles$

$3Fe(s)+4H_2O(g)\rightarrow Fe_3O_4(s)+4H_2(g)$

According to stoichiometry :

1 mole of $Fe_3O_4$ are produced by = 4 moles of $H_2O$

Thus 1.18 moles of $Fe_3O_4$ will be produced by= $\frac{4}{1}\times 1.18=4.72moles$ of $H_2O$

Mass of $H_2O=moles\times {\text {Molar mass}}=4.72moles\times 18g/mol=85.0g$

Thus 85.0 g of $H_2O$ will be required and 2 steps are required to get the answer.

6 0

3 years ago

How many moles of carbon dioxide are produced from 8.73 moles of tristearin?

matrenka [14]

Answer:

Explanation:

8.73 mol x mol

2 C57H110O6(S) + 163 O2(g) ---> 114 CO2(g) + 110 H2O(I)

2 mol 114 mol

8.78 mol (114mol/2 mol) =500.46 mol

8 0

3 years ago

(This question was deleted last month)

4vir4ik [10]

Answer: Fireworks exploding is a chemical change.

Explanation: Lighting gunpowder, and making the explosion is a chemical change.

6 0

2 years ago