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ollegr [7]
3 years ago
12

What can be found in the Asteroid Belt?

Chemistry
1 answer:
Akimi4 [234]3 years ago
5 0

Answer:

astrioids can be found at the astrioid belt

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The intensity of a sound wave increases as the wave spreads out from the source of the sound
Alex

Answer:

The more spread out their energy becomes

5 0
3 years ago
A researcher measures the equilibrium separation between two flat hydrophilic mica plates in a solution of non-ionic surfactant.
svet-max [94.6K]

Answer:

See explaination and attachment

Explanation:

please kindly see attachment for the step by step solution of the given problem.

3 0
3 years ago
What is the molar mass of a gas which has a density of 0.00249 g/mL at 20.0 degrees celcius and 744.0 mm Hg?
creativ13 [48]

61.24 is the molar mass of a gas which has a density of 0.00249 g/mL at 20.0 degrees celcius and 744.0 mm Hg.

Explanation:

given that:

density = 0.00249 g/ml (\frac{mass}{volume})  or 2.49 grams/litre

P = 744 mm Hg OR 0.978 atm

T = 20 Degrees or 293.15 Kelvin

R = 0.08206 Litre atm/mole K

molar mass =?

Formula used/

PV = nRT    equation 1

here n is number of moles:

n = \frac{mass}{atomic mass}

putting the value of n and value of density in the equation 1:

PV = \frac{mass}{molar mass} x RT

molar mass = \frac{mass}{volume} x \frac{RT}{P}

                    = density x \frac{RT}{P}

                     = \frac{2.49 x 0.08276 x 293.15}{0.978}

                     = 61.24 is the molar mass of the gas.

8 0
3 years ago
A. Only a small amount (less than 0.01%) of the enol form of diethyl malonate is present at equilibrium. Write a structural form
Karo-lina-s [1.5K]

Answer:

Please see attachment

Explanation:

Please see attachment

6 0
3 years ago
Describe the spin of carbon-14's valence electrons and explain how you came about your answer.
Snezhnost [94]

we have to know the spin of valence electrons of carbon-14

There are four unpaired electron which are called as valence electron also.The spin of the four unpaired electron is either upfilled or down filled.

The ground state electronic configuration of C-atom is 1s²2s²2p² and one electron from 2s orbital gets excited to 2p orbital. The elctronic configuration in excited state is 1s²2s¹2p_{x}^{1} 2p_{y}^{1}2p_{z}^{1}.

The electron jumps because half-filled orbitals are more stable. Exchange energy is less than pairing energy.


8 0
3 years ago
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