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otez555 [7]
3 years ago
13

The atom is neutral because

Chemistry
2 answers:
anyanavicka [17]3 years ago
6 0
Protons and electrons are equal
Andreyy893 years ago
4 0

Answer:

the answer is B

Explanation:

When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges

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Please help ASAP Which two changes of state can occur when a substance loses thermal
steposvetlana [31]

Answer:

O C. Deposition

D. Freezing

Explanation:

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7 0
3 years ago
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A 1.5-m 3 insulated rigid tank contains 2.7 kg of carbon dioxide at 100 kPa. Now paddle-wheel work is done on the system until t
Assoli18 [71]

Answer:

The entropy change of carbon dioxide = 0.719 kJ/k

Explanation:

Given:

1.5 m - 3 insulated rigid tank contains 2.7 kg of carbon dioxide at 100 kPa

The objective is to determine the entropy change of carbon dioxide

Formula used:

ΔS=

Solution:

On considering,

C_{P} =0.846 kJ/kg K\\C_V=0.657 kJ/kg k\\

ΔS=mc_{v} lu\frac{p_{2} }{P_{1} }

On substituting the values,

ΔS=2.7*0.657lu\frac{150}{100}

ΔS=0.719 kJ/k

4 0
3 years ago
Which information about a chemical reaction is provided by a potential energy diagram?
antiseptic1488 [7]
An energy profile of a reaction tells you whether it's endothermic or exothermic, the energy of the products and reactants, the activation energy needed for the forward (Ea) and reverse (Ea') reactions, the change in energy (∆E), and the energy of the activated complex.
3 0
3 years ago
Priscilla was building a circuit that used copper wires to connect a battery to a light bulb. As she connected the final wire fr
algol [13]

Answer:

The voltage or potential difference

Explanation:

What makes current flow in a circuit is the voltage or the potential difference.

This force is supplied by the battery or the mains electrical circuit.

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3 years ago
In what two places minerals are form?
larisa [96]
In earths surface or the bottom of the Ocean
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4 years ago
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