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melamori03 [73]
2 years ago
7

Which of the following is NOT a tarsal bone?

Biology
1 answer:
Tamiku [17]2 years ago
7 0

Answer:

Fibula

Explanation: is not a tarsal bone

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BabaBlast [244]

Answer:

mother's

Explanation:

3 0
3 years ago
Someone please help I don't understand ​
Naddik [55]

Answer:

The chemicals left over after a chemical reaction are substrates or resultants.

yellow represents carbon so there are 6 carbon atoms.

blue represents hydrogen/water atoms so

Red represents the oxygen atoms bonded to the hydrogen atoms.

4 0
3 years ago
......................................................peridot​
Ilya [14]

Answer:

It's C. They are mostly made up of hydrogen and helium

4 0
3 years ago
A certain buffer is made by mixing a weak acid HA and its conjugate base A–. When HA is present at a concentration of 0.5 mM and
MAVERICK [17]

Answer:The ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

Explanation:

The dissociation constant for formic acid = K_a=1.8\times 10^{-4}

Concentration of HA= 0.5 mM

Concentration of A^-= 0.1 mM

pH = 6.16

First we have to calculate the value of K_a.

Using Henderson Hesselbach equation :

pH=pK_a+\log \frac{[A^-}{[HA]}

Now put all the given values in this expression, we get:

6.16=pK_a+\log (\frac{[0.1]}{0.5})

pK_a=6.86

To calculate the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02.

Using Henderson Hesselbach equation :

7.02=6.86+\log \frac{[A^-]}{[HA]}

7.02=6.86+\log \frac{[A^-]}{[HA]}

\frac{[A^-]}{[HA]}=1.44

\frac{[HA]}{[A^-]}=0.69

Thus the ratio of the concentrations of HA  and A^- when the buffer has a pH of 7.02 is 0.69

7 0
3 years ago
What does it mean when i say that butterflies represent me
tensa zangetsu [6.8K]

Answer: it could mean you are nervous people often refer butterflies to a nervous jittery feeling in their stomach or it could mean your pretty or when people call other people names and things like that then you could say im just a catterpillar now but im gonna transform into a beautiful butterfly soon id.k im not really sure

4 0
3 years ago
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