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aleksandrvk [35]
3 years ago
5

1.What type of wave requires a medium to travel? 2.What type of wave can travel through space?

Chemistry
2 answers:
dangina [55]3 years ago
8 0

Answer:

mechanical waves

Explanation:

Vilka [71]3 years ago
5 0

Answer:

I can't remember exactly but I'm pretty sure it's radioactive waves or radiation waves. ( pretty sure they're close to the same thing)

Explanation:

I apologize if this answer was incorrect.

Hope it helped anyways!

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Of the following equilibria, only ________ will shift to the right in response to a decrease in volume. N2 (g) + 3H2 (g) 2NH3 (g
igomit [66]

Answer:

Of the following equilibria, only one will shift to the right in response to a decrease in volume.

N_2 (g) + 3H_2 (g)\rightleftharpoons 2NH_3 (g)

On decreasing the volume the equilibrium will shift in right direction due to less number of gaseous moles on product side.

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle.

This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

Decrease the volume

If the volume of the container is decreased , the pressure will increase according to Boyle's Law. Now, according to the Le-Chatlier's principle, the equilibrium will shift in the direction where decrease in pressure is taking place. So, the equilibrium will shift in the direction number of gaseous moles are less.

N_2 (g) + 3H_2 (g)\rightleftharpoons 2NH_3 (g)

On decreasing the volume the equilibrium will shift in right direction due to less number of gaseous moles on product side.

2 Fe_2O_3 (s) \rightleftharpoons 4 Fe (s) + 3O_2 (g)

On decreasing the volume the equilibrium will shift in left direction due to less number of gaseous moles on reactant side.

2 SO_3 (g) \rightleftharpoons 2 SO_2 (g) + O_2 (g)

On decreasing the volume the equilibrium will shift in left direction due to less number of gaseous moles on reactant side.

H_2 (g) + Cl_2 (g) \rightleftharpoons 2 HCl (g)

On decreasing the volume the equilibrium will shift in no direction due to same number of gaseous moles on both sides.

2HI (g) \rightleftharpoons H_2 (g) + I_2 (g)

On decreasing the volume the equilibrium will shift in no direction due to same number of gaseous moles on both sides.

8 0
3 years ago
Butane gas (C4H10) burns in oxygen gas to produce carbon dioxide gas and water vapor. Balance the equation for this reaction (in
bixtya [17]

Answer:

C₄H₁₀(g) + O₂(g) ⇒ CO₂(g) + H₂O(g)

2 C₄H₁₀(g) + 13 O₂(g) ⇒ 8 CO₂(g) + 10 H₂O(g)

Explanation:

Butane gas (C₄H₁₀) burns in oxygen gas to produce carbon dioxide gas and water vapor. The unbalanced equation is:

C₄H₁₀(g) + O₂(g) ⇒ CO₂(g) + H₂O(g)

First, we will balance carbon and hydrogen which are in just one compound on each side.

C₄H₁₀(g) + O₂(g) ⇒ 4 CO₂(g) + 5 H₂O(g)

Finally, we will balance the oxygen atoms.

C₄H₁₀(g) + 6.5 O₂(g) ⇒ 4 CO₂(g) + 5 H₂O(g)

In order to have integers, we will multiply everý compound by 2.

2 C₄H₁₀(g) + 13 O₂(g) ⇒ 8 CO₂(g) + 10 H₂O(g)

5 0
4 years ago
Which of the following materials is likely to be the best insulator?
valina [46]

Answer: Option (b) is the correct answer.

Explanation:

Insulator are the substances which do not conduct electricity. It is known that metals are good conductors of electricity. Whereas non-metals do not conduct electricity.

Out of the given options, silver, and calcium is a metal that means they are good conductors of electricity and are not insulators.

On the other hand, silicon is a metalloid, that is, it shows properties of both metals and non-metals. Hence, it will also show conductivity.

Phosphorus is a non-metal and therefore, it does not conduct electricity. As a result, out f the given options it will act as the best insulator.

7 0
3 years ago
Read 2 more answers
Classify the following processes as exothermic or endothermic: (e) a person growing;
Lisa [10]

A response that is chemical in nature and is characterized with the aid of the release of power in the shape of warmth or light is referred to as an exothermic response.

Following processes are exothermic:-

freezing of water.

digestion of food.

a person running.

heating with a furnace.

Following processes are endothermic:-

boiling of water.

a person growing.

wood being chopped.

Endothermic reactions are chemical reactions wherein the reactants soak up warmness electricity from the environment to shape products. those reactions decrease the temperature of their surrounding place, thereby growing a cooling impact.

DISCLAIMER:- Your question is incomplete , see full question below:-

Classify the following processes as exothermic or endothermic:

(a) freezing of water.

(b) boiling of water.

(c) digestion of food.

(d) a person running.

(e) a person growing.

(f) wood being chopped.

(g) heating with a furnace.

Learn more about exothermic here:- brainly.com/question/2924714

#SPJ4

3 0
2 years ago
Why are halogens kept in the group 17 of modern peroidic table?​
MAXImum [283]
The halogens are all elements that are found in group 17 of the periodic table. The halogens include fluorine, chlorine, bromine, iodine, and astatine. All of these elements are considered to be reactive nonmetals. Atoms of an element react with other atoms based on the number of electrons found in their outer orbit.
5 0
3 years ago
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