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galben [10]
4 years ago
7

This occurs when energy is added or removed

Chemistry
1 answer:
shutvik [7]4 years ago
3 0

Answer:

melting

Explanation:

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Help!!!! describe three different things that could cause climate change.(Describe two that are naturally occuring, and one that
ludmilkaskok [199]

Explanation:

so man climate change is because of global warming and 2 natural occurring is when earth tilts off the current axis and another one is because of seasonal change

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6 0
3 years ago
How many electrons and how many protons <br> Al3+
NemiM [27]
Al+3is the third electron ionization level of the atom Al. Al has an atomic number of 13, thus it has 13 protons and electrons. By shooting a photon with a certain amount of energy (the energy in kj/mol) the atom will be ionized and lose the electrons. 13-3 = 10 The total amount of electrons in Al3+ is 10 <span>*The energy required to ''detach'' 3 electrons from the 3s and 3p orbital.</span>
8 0
4 years ago
Please Need help asap
ruslelena [56]

Answer:

A

Explanation:

The number of protons and neutrons of an element is the same. the electrons are the only thing that can differ.  The atomic number equal the protons and neutrons.

4 0
3 years ago
When a piece of magnesium metal is added to hydrochloric acid, what gas is produced??
klio [65]
Mg+HCl -> MgCl2+H2
So, Hydrogen gas.
4 0
3 years ago
Read 2 more answers
How many joules of energy are needed to warm 5.00 g of silver from 25.0°C to 27.5°C? (The specific heat of silver is 0.24 J/g°C.
vichka [17]

Answer:

3J

Explanation:

The following were obtained from the question:

M = 5g

T1 = 25.0°C

T2 = 27.5°C

C = 0.24 J/g°C

Q=?

Using the following equation Q = MCΔT to solve for the energy need, we have:

Q = MCΔT

Q = 5 x 0.24 x (27.5 — 25)

Q = 5 x 0.24 x 2.5

Q = 3J

5 0
3 years ago
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