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Stells [14]
2 years ago
14

Which of the following is a stock exchange in the United States?(1 point)

Chemistry
1 answer:
GrogVix [38]2 years ago
7 0

Answer:

The two major U.S. financial securities markets are the New York Stock Exchange and Nasdaq.

Explanation:

I hope it'll help you...

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Identify the name of the compound Cr2(CO3)3.
kompoz [17]
Cr2(CO3)3 is Chromium (III) Carbonate or Chromic Carbonate. 

It is composed of Chromium, Carbon, and Oxygen. Chromium has 2 atoms, Carbon has 3 atoms, and Oxygen has 9 atoms. 

This compound is composed of 36.6% Chromium, 12.7% Carbon, and 50.7% Oxygen.
7 0
3 years ago
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HELP ME PRETTY PLEASE FAST FOR BRAINLIEST
Mumz [18]

Answer:

M is increased loudness

O is decreased loudness

N is decreased pitch

P is increased pitch

Louder soundwaves ten to have longer and deeper waves visa versa.

Increased pitch tends to have shorter soundwaves. visa versa

8 0
3 years ago
Explain why we use 1/12 in finding atomic mass unit ?​
Nat2105 [25]

Answer:

The u (amu is the old unit name) is 1/12 of the weight of an 12C atom. The way the u is chosen ensures that all core and atom masses are multiples of 1(±0.1) u.

Explanation:

Further explanation if needed...

Carbon 12 was chosen because the chemical atomic weights based on C12 are almost identical to the chemical atomic weights based on the natural mix of oxygen. Simply because the atomic mass is defined as 1/12 of the mass of 12C. Others isotopes of carbon (13C mostly, with an abundance of 1.1% approximately) account for an average atomic mass slightly above 12.

7 0
3 years ago
What do we know about elements with half-filled energy levels??
lisabon 2012 [21]
If the energy level of a certain element is filled based on the maximum number of allowable electrons per level, then it is no longer reactive. With this, half-filled energy level means that the element may retain those electrons and attract electrons from other elements or it may give off its electrons. 
6 0
3 years ago
A student carried out the electrolysis of a KI solution for a period of 15 minutes. He estimated that 8.5 X 10^-4 moles of OH- w
Nataliya [291]

Answer:

Catod: K^(+), H2O

2H2O  + 2e^(-)  ---> H2 + 2OH^(-) reduction reaction

Anod: I^(-), H2O

2I^(-) ---> I2 + 2e^(-) oxidation reduction

2H2O + 2I^(-) ---> I2 + H2 +2OH^(-)   ionic net reaction

6 0
3 years ago
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