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I am Lyosha [343]
2 years ago
15

When drawing a covalent lewis dot diagram its important to ensure that:

Chemistry
1 answer:
Fudgin [204]2 years ago
8 0
Answer B I believe
Not sure if it’s correct but Lina positive it is
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for the mini turbines to work properly, which of the following criteria are important in choosing the material for their constru
Setler79 [48]

Answer:

metal

Explanation:

metal strong

3 0
3 years ago
HELLLPPPP!!!!
AleksAgata [21]
A. Because you have to simplify
6 0
3 years ago
PLEASE HELP
charle [14.2K]

Answer: The statement, average kinetic energy of the gas particles is greater in container A because its particles move faster is correct.

Explanation:

Kinetic energy is the energy obtained due to the motion of an object or substance.

K.E = \frac{3}{2}kT

where,

T = temperature

This means that kinetic energy is directly proportional to temperature.

So, when heat is provided to container A then its molecules will start to move rapidly from one place to another which will cause more collisions between the atoms.

Hence, average kinetic energy will be more in container A.

Whereas container B is placed at room temperature which is low than that in container A. So, molecules in container B will move at almost same speed and therefore, specific collisions will be there. So, average kinetic energy in container B will be less than that in container A.

Thus, we can conclude that the statement, average kinetic energy of the gas particles is greater in container A because its particles move faster is correct.

8 0
2 years ago
An acid
Arte-miy333 [17]
An acid a. has a high pH in solution.
b. turns blue litmus paper to red.
c. releases hydroxyl ions in solution.
d. has more hydroxyl than hydrogen (or hydronium) ions.

<span>An acid </span>turns blue litmus paper to red. The answer is letter B.
4 0
3 years ago
A 0.500-g sample of KCl is added to 50.0g of water in a calprimeter (Figure 5.12) If the temperature decreases by 1.05C. what is
Sauron [17]

Answer : The reaction is endothermic.

Explanation :

Formula used :

Q=m\times c\times \Delta T

where,

\Delta T = change in temperature = 1.05^oC

Q = heat involved in the dissolution of KCl = ?

m = mass = 0.500 + 50.0 = 50.5 g

c = specific heat of resulting solution = 4.18J/g^oC

Now put all the given value in the above formula, we get:

Q=50.5g\times 4.18J/g^oC\times 1.05^oC

Q=+221.64J

The heat involved in the dissolution of KCl is positive that means as the change in temperature decreases then the reaction is endothermic and as the change in temperature increases then the reaction is exothermic.

Hence, the reaction is endothermic.

8 0
3 years ago
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