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OlgaM077 [116]
3 years ago
14

Read the passage.

Chemistry
2 answers:
ANTONII [103]3 years ago
8 0

Answer:

the answer is (d) that is the boss and Rothlisberger

RSB [31]3 years ago
7 0

Answer:

the narrator and the newsies

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Using the curve which letter represents efficiency?
velikii [3]

Answer:

point A , B and C

Explanation:

The efficient frontier is the set of optimal portfolios that offer the highest expected return for a defined level of risk or the lowest risk for a given level of expected return

4 0
2 years ago
scientist have found many marine fossils on the mountain far from any ocean or sea what is the best explanation for these fossil
DaniilM [7]

The best explanation, though it's controversial, is that a great flood had once covered the earth for a brief period of time.

8 0
3 years ago
Lord kelvin described the concept of absolute zero temperature and the laws relating the change in thermal energy during chemica
kondaur [170]
Lord Kelvin, were he alive today, would be considered a Thermochemist. Thermochemistry is interested in the role of heat in chemical reactions. This includes the role of heat both as a biproduct of chemical reactions and a facilitator.

Kelvin's description of absolute zero is an important concept in thermochemistry. At absolute zero, there is no movement of molecules, and no energy available facilitate chemical reactions. 
6 0
2 years ago
Which of the following months would be the darkest at the South Pole?
son4ous [18]

Answer:

December.

Explanation:

6 0
3 years ago
What is △n for the following equation in relating Kc to Kp?
Nimfa-mama [501]

Answer:

-1  

Explanation:

The relation between Kp and Kc is given below:

K_p= K_c\times (RT)^{\Delta n}

Where,  

Kp is the pressure equilibrium constant

Kc is the molar equilibrium constant

R is gas constant , 0.082057 L atm.mol⁻¹K⁻¹

T is the temperature in Kelvins

Δn = (No. of moles of gaseous products)-(No. of moles of gaseous reactants)

For the first equilibrium reaction:

2Na_{(s)}+2H_2O_{(l)}\rightleftharpoons 2NaOH_{(aq)}+2H_2_{(g)}

<u>Δn = (No. of moles of gaseous products)-(No. of moles of gaseous reactants)  = (2+1)-(2+2) = -1  </u>

<u></u>

7 0
3 years ago
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