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MrRa [10]
3 years ago
12

The nucleus of an atom is ______ charged

Chemistry
1 answer:
agasfer [191]3 years ago
5 0

Answer:

The nucleus of an atom is positively charged.

Explanation:

The nucleus of an atom is positively charged because :

The nucleus is a small dense region at the center of the atom. It consists of a positive protons and neutral neutrons. so, It has an overall positive charged.

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3 0
3 years ago
PLEASE HELP
astraxan [27]

Answer:student 3

Explanation:

5 0
3 years ago
Typically, water runs through the baseboard copper tubing and, therefore, fresh hot water is constantly running through the pipi
Aleksandr [31]

Answer: -

3.3° C

Explanation: -

Mass of water m = 180.5 g

Energy released as heat Q = 2494 J

Specific heat is defined as the heat required to raise the temperature of the unit mass of a given substance by 1 C.

Specific heat of water Cp = 4.184 (J/g)⋅∘C

Using the formula

Q = m x Cp x ΔT

We get temperature change ΔT = Q / (m x Cp)

= 2494 J / ( 180.5 g x 4.184 (J/g)⋅∘C

= 3.3° C

Thus the temprature change, (ΔT), of the wateris 3.3 °C if 180.5 g of water sat in the copper pipe from part A, releasing 2494 J of energy to the pipe

6 0
3 years ago
How much heat is needed to raise the temperature of 7g of water by 19oC?
AlekseyPX
Data:

m = 7 g

ΔT = 19 °C

Cs of water = 1 cal / g °C

Formula Q = m * Cs * ΔT

Solution:

Q = (7 g) * (1 cal / g °C) * ( 19°C) = 133 cal
7 0
3 years ago
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