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Hoochie [10]
3 years ago
8

Please

Chemistry
2 answers:
Crazy boy [7]3 years ago
8 0

Answer:

2

Explanation:

2

Semmy [17]3 years ago
7 0
1. Littering can be a short term event. It’s impact on the organism is it could swallow the trash, or get stuck on it.
2. Pollution can be a long term event. It’s impact on an organism is it can damage/ reck homes, and it’s a poison. It should not be digested otherwise it could lead to health problems
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When a voltaic cell operates ions move through the
Lady bird [3.3K]
When a voltaic cell operates, ions move through a salt bridge. The presence of the salt bridge completes the circuit because it promotes ion flow. It maintains the charges balance since the electron are moving from a half cell to another.
8 0
3 years ago
Given the following chemical equation at equilibrium: H2(g) + I2(g) ↔2HI(g) + heat. If the temperature is raised, in what direct
Artist 52 [7]

Answer: The reaction will shift in left or backward direction.

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.

For the given equation:

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

As the given reaction is exothermic as the heat is released in the reaction. When the temperature is raised , the reaction will shift in a direction where temperature is decreasing and that is the reverse reaction which is endothermic in nature.

Thus the reaction will shift in left or backward direction.

5 0
3 years ago
The speed of a motorcycle increases from 10 kilometers per hour to 50 kilometers per hour in 9 seconds. What is its acceleration
Vesnalui [34]

Answer:

well, it increased by 40 km/hr in 9 s, so the acceleration is

40/9 km/(hr-s)

Explanation:

5 0
4 years ago
You should have noticed that the Styrofoam ball rolled slightly towards the rod and then appeared to be lifted above the pan. Wh
Kaylis [27]

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8 0
3 years ago
Read 2 more answers
Based on formal charges, draw the most preferred Lewis structure for the chlorate ion, ClO3−. To add lone pairs, click the butto
vova2212 [387]

Answer:

The structure is shown in the diagram.

Explanation:

Lewis structure : In order to draw Lewis structure we will calculate the total number of valence electrons in the molecule.

The valence electrons from Cl : 7

The valence electrons from O = 3 X 6 = 18

Charge negative so more electrons = 2

total electrons = 7 + 18 +2 = 27

Now we will distribute the electrons on each atom and in between atoms as shown in the diagram.

8 0
3 years ago
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