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Tju [1.3M]
3 years ago
9

Identify the element that has 23 protons

Chemistry
2 answers:
barxatty [35]3 years ago
3 0

Answer:

Vanadium

Explanation:

Brums [2.3K]3 years ago
3 0

Answer:

Vanadium

Explanation:

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(+1) + (–1) Its from edge
Mars2501 [29]

Answer: it =0

Explanation:

7 0
3 years ago
What is the effect of an increase in the average kinetic energy of an object
timofeeve [1]
The effect of an increase in the average kinetic energy of an object would be an increase in the temperature of the object.  Temperature is directly proportional to the average kinetic energy of the molecules in the object. Hope this answers the question.
7 0
4 years ago
Question 6 (1 point)
Mnenie [13.5K]

Answer:

The correct option is;

d 4400

Explanation:

The given parameters are;

The mass of the ice = 55 g

The Heat of Fusion = 80 cal/g

The Heat of Vaporization = 540 cal/g

The specific heat capacity of water = 1 cal/g

The heat required to melt a given mass of ice = The Heat of Fusion × The mass of the ice

The heat required to melt the 55 g mass of ice = 540 cal/g × 55 g = 29700 cal

The heat required to raise the temperature of a given mass ice (water) = The mass of the ice (water) × The specific heat capacity of the ice (water) × The temperature change

The heat required to raise the temperature of the ice from 0°C to 100°C = 55 × 1 × (100 - 0) = 5,500 cal

The heat required to vaporize a given mass of ice = The Heat of Vaporization × The mass of the ice

The heat required to vaporize the 55 g mass of ice at 100°C = 80 cal/g × 55 g = 4,400 cal

The total heat required to boil 55 g of ice = 29700 cal + 5,500 cal + 4,400 cal = 39,600 cal

However, we note that the heat required to vaporize the 55 g mass of ice at 100°C = 80 cal/g × 55 g = 4,400 cal.

The heat required to vaporize the 55 g mass of ice at 100°C = 4,400 cal

3 0
3 years ago
What is uranium made of? For a keynote (school)
never [62]

Pure uranium is radioactive. It will react with most nonmetallic elements to make compounds. When it comes into contact with air, a thin, black layer of uranium oxide will form on its surface. Uranium-235 is the only naturally occurring isotope that is fissile.

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7 0
3 years ago
Read the two statements given below. Statement 1: All living matter at the smallest level is made of cells Statement 2: New anim
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Answer:

Statement 1: All living matter at the smallest level is made of cells

Explamation:

All living things are made of cells; the cell itself is the smallest fundamental unit of structure and function in living organisms.

Hope this helps

7 0
3 years ago
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