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Dafna1 [17]
4 years ago
6

During _____, bonds between monomers are broken by adding water.

Chemistry
1 answer:
cricket20 [7]4 years ago
3 0
During _<span>A.   hydrolysis</span>, bonds between monomers are broken by adding water.
Prefix "hydro-" means water.
"-lysis" - disintegration.
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You want 200 mL of a 0.1 g/mL solution of sugar. how do you prepare the solution?
Inga [223]
0.1/200= 0.0005 , u need to dissolve .0005 grams of sugar
4 0
3 years ago
The molar mass of a certain gas is 49 g. What is the density of the gas in g/L at STP?
snow_tiger [21]

Answer:

\boxed{\text{2.2 g/L}}

Explanation:

We can use the Ideal Gas Law to calculate the density of the gas.

   pV = nRT

      n = m/M           Substitute for n

   pV = (m/M)RT     Multiply both sides by M

pVM = mRT            Divide both sides by V

  pM = (m/V) RT

     ρ = m/V             Substitute for m/V

 pM = ρRT              Divide each side by RT

\rho = \frac{pM }{RT}

Data:

p = 1.00 bar

M = 49 g/mol

R = 0.083 14 bar·L·K⁻¹mol⁻¹

T = 0 °C = 273.15 K

Calculation:

ρ = (1.00 × 49)/(0.083 14 × 273.15) = 2.2 g/L

The density of the gas is \boxed{\text{2.2 g/L}}.

8 0
4 years ago
What is the easiest way to explain molecular compounds and covalent bonds also adding information about valance electrons?
wlad13 [49]

Answer:

Molecular compounds consist of two or more nonmetals. The nonmetals that make up a molecular compound are held together by covalent/molecular bonds. Covalent bonds is known as the "sharing" of valence electrons between two or more chemical species. Valence electrons are shared so that the atoms of the compound can become stable, much like how ionic bonds transfer valence electrons between atoms to achieve stability.

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3 years ago
How are we made of the same atoms in stars?
MariettaO [177]
Stardust atoms are heavier elements, the percentage of star mass in our body is much more impressive. Most hydrogen in our body floats around in the form of water .
3 0
4 years ago
Write the following in standard notation:<br> 5.1874 x 102
wolverine [178]

Answer:

529,1148

Step-by-step explanation:

5,1874 × 102

= 5,1874 × 102,0

= 529,1148

Conclusion:

Result of 5,1874 × 102 is 529,1148.

3 0
2 years ago
Read 2 more answers
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