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ohaa [14]
3 years ago
14

How are radar and an approaching siren different? How are they similar?

Chemistry
1 answer:
Irina-Kira [14]3 years ago
4 0

Answer:

b

Explanation:

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3. What noble gas would be part of the electron configuration notation for Mn?
shusha [124]

Answer:

Argon {Ar}

Explanation:

The noble gas used for a condensed electron configuration is the one before the element which you are configuring.

In this case, the element (Mn) is manganese

The noble gas that is before this element is Argon which is the row above it

so your configuration would be {Ar} 3d^5 4s^2

7 0
3 years ago
which gas law would you use to calculate the new pressure for a gas when the volume of the trapped gas changes while the tempera
meriva
Answer: Boyle's Law

-----

Boyle's Law is the pressure-volume law and it relates pressure and volume at constant temperature. Boyle's law states that pressure and volume vary inversely, meaning that as one goes up, the other one goes down.
7 0
3 years ago
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Task B: Use the following maps to complete the questions:
Oksana_A [137]

Answer:

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4 0
3 years ago
Calculate the mass of ethyl alcohol required to prepare 540 grams of C4H6, if the reaction follows the scheme:
kkurt [141]

Answer:

Explanation:

2C₂H₅OH    =   C₄H₆  +  2H₂O  +  H₂

2 mole               1 mole

molecular weight of ethyl alcohol

mol weight of C₂H₅OH = 46 gm            

mol weight of C₄H₆  54 gm

540 gm of C₄H₆ = 10 mole

10 mole of C₄H₆ will require 20 mol of ethyl alcohol .

20 mole of ethyl alcohol = 20  x 46

= 920 gm

ethyl alcohol required = 920 gm .

3 0
3 years ago
Helpp plsss
shtirl [24]

Answer:

kinetic

Explanation:

kinetic energy is the energy possessed by a body due to its motion.

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3 years ago
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