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Fed [463]
3 years ago
6

Escribe dos ejemplos para cada tipo de mezcla entre: ● Sólido-sólido:

Chemistry
1 answer:
saul85 [17]3 years ago
5 0

Answer:

1) arena y azucar

2) agua fangosa

3) agua en el aire

4) oxígeno en nitrógeno

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You are working in the lab, how many grams of solute you need to make 200.0 g of 3.4% of solution?
Goryan [66]

Answer:

6.8g of solute are needed

Explanation:

Percent by mass, (w/w%) is defined as the mass of solute in 100g of solution. A solution that is 3.4% contains 3.4g of solute in 100g of solution. That means to make 200g of solution are required:

200g solution * (3.4g solute / 100g solution) = 6.8g of solute are needed

6 0
3 years ago
Calculate the number of moles in 23.50 liters of dinitrogen monoxide gas at STP
babunello [35]

Answer:

 

Explanation:

5 0
3 years ago
Define the following symbols that are encountered in rate equations: [A]0, t1/2 [A]t, k.
dezoksy [38]
[A]0= Initial concentration
t1/2= half life
[A]= final concentration
k= rate constant
5 0
3 years ago
There are always attractive forces between a collection of atoms or molecules which may not be negligible as suggested by the ki
Harrizon [31]

Answer:

Negligible

Explanation:

According to the kinetic theory of gases, the degree of intermolecular interaction between gases is minimal and gas molecules tend to spread out and fill up the volume of the container.

If the attraction between gas molecules increases, then the volume of the gas decreases accordingly. This is because, gas molecules become highly attracted to each other.

This intermolecular attractive force may be so strong, such that the actual volume of the gas become negligible compared to the volume of the container.

7 0
3 years ago
When the equation Ca(OH)2 + HBr → (products) is completed and balanced, one term in the equation will be
NISA [10]
<span>Answer for the given question is CaBr2. Although, the given equation requires balancing of by adding one more HBr and one more H2o in resultant. The given equation will product at least one CaBr2. Hence the answer for the given equation is Calcium bromide i.e. CaBr2.</span>
4 0
3 years ago
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