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shutvik [7]
2 years ago
10

Which two substances are among the four major types of organic compounds made by living things?

Chemistry
1 answer:
scoundrel [369]2 years ago
8 0

Answer:

D:)

Explanation:

Lipids

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Explain why decomposition uses solar energy
koban [17]

Answer:

Without the sun's energy, biological life would not be able to exist to decompose. Many microbes and fungi do their best work out of direct sunlight.

4 0
3 years ago
What compounds break up into ions solution? ​
Korolek [52]

Answer:

Acids are compounds that dissociate (break) into hydrogen (H+) ions and another compound when placed in an aqueous solution.

Explanation:

5 0
3 years ago
Read 2 more answers
Convert the following temperatures to degrees Celsius or Fahrenheit: (a) 95°F, the temperature on a hot summer day; (b) 12°F,
Elis [28]

Answer:

a) 35°C, the temperature on a hot summer day

b) -11.11°C, the temperature on a cold winter day

c)  a 38.88°C fever

d) a furnace operating at 1011.11°C

e) 523.67°F ( theoretically the lowest attainable temperature )

Explanation:

  • °C = ( °F - 32 ) / 1.8
  • °F = ( 1.8 * °C ) +32

a) 95°F ⇒ °C = ( 95 - 32 ) / 1.8 = 35°C

b) 12°F ⇒ °C = ( 12 - 32 ) / 1.8 = -11.11°C

c) 102°F ⇒ °C = ( 102 -32 ) / 1.8 = 38.88°C

d) 1852°F ⇒ °C = ( 1852 -32 ) / 1.8 = 1011.11°C

e) 273.15°C ⇒ °F = ( 1.8 * 273.15 ) + 32 = 523.67°F

4 0
3 years ago
Convert 4.92 L of hydrogen at STP to moles.
Lorico [155]

{\huge{\fcolorbox{yellow}{red}{\orange{\boxed{\boxed{\boxed{\boxed{\underbrace{\overbrace{\mathfrak{\pink{\fcolorbox{green}{blue}{Answer}}}}}}}}}}}}}

\sf C) \:  0.220 \: mol \: H_2

Explanation:

1 mol = 22.4 litres

4.92 = how many moles?

\sf  \implies  \frac{4.92}{22.4}  \\  \\  \sf  \implies 0.2196 \\  \\  \sf  \implies 0.220 \: mol \: H_2

5 0
2 years ago
Read 2 more answers
For an enzymatically catalyzed reaction in which the measured values for KM and Vmax are, respectively, 10.0 mM and 0.172 mM min
abruzzese [7]

Answer:

17.2 minutes is the value of the turnover number.

Explanation:

Using Michaelis-Menten equation:

V = V_{max}\times \frac{[S]}{ (Km + [S])}

V_{max }=k_{cat}\times E_o

Where  :

V_{max} = max rate velocity

[S] = substrate concentration

K_m = Michaelis-Menten constant

V = reaction rate

k_{cat} = catalytic rate constant

E_o = initial enzyme concentration

We have :

K_m=10.0mM

E_o=10.0\mu M=10.0\times 0.001 mM

V_{max}=0.172 mM/min

V_{max} is the rate is obtained when all enzyme is bonded to the substrate. k_{cat} is termed as the turnover number.

k_{cat}=\frac{V_{max}}{E_o}=\frac{0.172 mM}{10.0\times 0.001 mM}

=17.2 minutes

17.2 minutes is the value of the turnover number.

3 0
3 years ago
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