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Novay_Z [31]
3 years ago
5

Is pyrophoric a chemical or physical property

Chemistry
1 answer:
Neporo4naja [7]3 years ago
5 0

Answer:

Pyrophoricity is a property of metals and oxides of lower oxidation states, including radioactive ones, in which they spontaneously ignite during or after stabilization.

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Determine if the following equations are balanced or unbalanced
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Eis your answer to the question
7 0
2 years ago
Which is the electron configuration for bromine?
murzikaleks [220]

Answer:

The first one

Explanation:

I can't read them well: it should be 1s^{2}2s^{2}2p^{6}3s^{2}3p^{6}4s^{2}3d^{10}4p^{5}

** this is the expanded version

3 0
2 years ago
Which sample of matter has a crystal structure?
Maurinko [17]
The correct answer:C) NaCl(s)
Hope this helps!
4 0
3 years ago
The spontaneous reaction that occurs when the cell in the picture operates is as follows: 2Ag+ + Cd(s) ???? 2 Ag(s) + Cd2+ (A) V
Snowcat [4.5K]

Answer:

14. B    15. D    16. C     17. B

Explanation:

The spontaneous reaction that occurs when the cell operates is shown below:

2Ag^{+} + Cd_{(s)} ⇒2Ag_{(s)} + Cd^{2+}

We need to select the correct option from the list below for the following questions.

(A) Voltage increases. (B) Voltage decreases but remains > zero. (C) Voltage becomes zero and remains at zero. (D) No change in voltage occurs. (E) Direction of voltage change cannot be predicted without additional information.

14. A 50-milliliter sample of a 2-molar Cd(NO_{3})_{2} solution is added to the left beaker.

If a 50-milliliter sample of a 2-molar Cd(NO_{3})_{2}  solution is added to the left beaker, the voltage decreases but its value remains greater than zero. The correct option is B

15. The silver electrode is made larger.

If the silver electrode is made larger, no change in the value of the voltage since we don't have the idea of the initial value. The correct option is D.

16. The salt bridge is replaced by a platinum wire.

If the salt bridge is replaced by a platinum wire, there will be no passage of electrons because electrons can't pass through a platinum wire. Therefore, the voltage will be zero and remains at zero. The correct option is C.

17. Current is allowed to flow for 5 minutes.

If current is allowed to flow for 5 minutes, the voltage decreases but its value remains greater than zero. The correct option is B.

7 0
3 years ago
which of the following parts of a circuit would be considered a load ? Justify your answer by explaining your choices • light •
QveST [7]
The answer to the question given above is letter A. Light
 
Light  is considered a load of the parts of a circuit. <span>The load in a circuit can be any electrical device that converts electrical energy into other usable forms of energy such as a <span>light bulb.

>></span></span><span>Energy sources include batteries and generating stations
>>switch-</span><span>is used in electric circuits to allow the circuit to be turned on and off.</span>
6 0
3 years ago
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