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Sphinxa [80]
3 years ago
8

Which of the following would be considered a solution?

Chemistry
1 answer:
Neporo4naja [7]3 years ago
3 0

Answer:

B. sugar added to water

Explanation:

<u>A solution means a mixture where you can only see one "part" with the naked eye (without microscopes and other equipment).</u> In other words, it is <em>homogeneous</em>, which means everything looks the same. The prefix <em>homo</em>- means same.

When you add sugar to water, the sugar will dissolve into the water. Then, you would not be able to see the sugar, only the clear liquid that looks like water, which is only one "part".

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How do you tell by the formula that an element on the periodic table is a metal
Dmitrij [34]
The metalloids are on the right side of the periodic table B, Si, Ge, As, Sb, Te, and At. The nonmetals are also on the right side next to the metalloids, there should be a He at the top right of the periodic table and there should be one more nonmetal at the top left of the periodic table that is H. And from the metals they are all on the middle next to the metalloids, starting from Li, Be, Na, and Mg as so on all of those are metals.
7 0
3 years ago
Suppose the flask is already at equilibrium but then the volume of the reaction flask is then reduced what will happen
sveta [45]

1) Answer is: c) The reaction will proceed right.

Balanced chemical reaction: N₂(g) + 3H₂(g) ⇄ 2NH₃(g) ΔH = +92 kJ.

Reducing the volume of the system increase the partial pressures of the products and reactants.

With a pressure increase due to a decrease in volume, the side of the equilibrium with fewer moles is more favorable, there are 4 moles at the left side (three moles of hydrogen and one mole of nitrogen) and 2 moles (ammonia) at the right side of the reaction.

2) Answer is: d) The partial pressure of ammonia will increase.

This reaction is endothermic (enthalpy is higher than zero), which means that heat is added.

According to Le Chatelier's principle when the reaction is endothermic heat is included as a reactant and when the temperature increased, the heat of the system increase, so the system consume some of that heat by shifting the equilibrium to the right,  producing more ammonia.

8 0
3 years ago
If I make a salt solution that has 1 grams of salt and 9 grams of water the percentage of salt in my solution is _____.
Soloha48 [4]

Answer:

10%

Explanation:

4 0
3 years ago
10 points Which of these is the best example of heat transfer by radiation? *
insens350 [35]

Answer:

a) A satellite is warmed by sunlight.

Explanation:

Heat transfer by radiation mostly involves heat gain or heat loss from the Sun. In this case, Option A is the only option where sunlight is involved so it is the best example of heat transfer by radiation.

3 0
3 years ago
What is the charge of bromine ion ?
Zarrin [17]

Answer:

1-,1+,5+

Explanation:

6 0
3 years ago
Read 2 more answers
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