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4 years ago

6

What is any single living thing that can carry out life processes on its own?

1 answer:

ad-work [718]4 years ago

6 0

Any single thing that can carry out life processes on its own is a dolphin.
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If 655j are added to ethanol (grain alcohol) and its temperature rises from 18.2 C to 32.8 C, what is the mass of the ethanol sa

WARRIOR [948]

G= 6.96 kcal/g is the answer to the question

5 0

3 years ago

This is 10 points a pic

MrMuchimi

C< first

D< second

A< third

B< last

5 0

3 years ago

Read 2 more answers

Calculate the solubility (in grams per 1.00×102mL of solution) of magnesium hydroxide in a solution buffered at pH = 12

GaryK [48]

The Ksp of Mg(OH)2 in water is 1.8 x 10-<span>11. This means that in pure water, Mg(OH)2 has a solubility of:
</span>∛[(1.8 x 10-11) / 4] = 1.65 x 10-4 mol/L
<span>which is equal to
</span>1.65 x 10-4<span> mol x (58.32) / 10 x 100 mL = 9.62 x 10-4g / 1x102 mL

If the pH is 12, the hydroxide concentration in the solvent is
10^-(14-12) = 0.01 mol/L
The solubility is solve using the formula
</span>1.8 x 10-11 = x (2(0.01 + x))^2
x = 4.5x10-8 mol/L
which is equal to
4.5x10-8 mol x (58.32) / 10 x 100 mL = 2.62 x 10-7g / 1x102 mL

8 0

4 years ago

If the equilibrium constant for the reaction A 2B C 5/2 D has a value of 4.0, what is the value of the equilibrium constant for

nirvana33 [79]

Answer:

$K'=\frac{1}{16}$

Explanation:

Hello!

In this case, since the given reaction is:

$A+ 2B \rightleftharpoons C+ \frac{5}{2} D$

Whereas the equilibrium constant is:

$K=\frac{[C][D]^{5/2}}{[A][B]^2} =4.0$

However, the new target reaction reverses and doubles the initial reaction to obtain:

$2C+5D \rightleftharpoons 2A+4B$

Whereas the equilibrium constant is:

$K'=\frac{[A]^2[B]^4}{[C]^2[D]^5}$

Which suggest the following relationship between the equilibrium constants:

$K'=\frac{1}{K^2}$

So we plug in to obtain:

$K'=\frac{1}{4.0^2}\\\\K'=\frac{1}{16}$

Best regards!

8 0

3 years ago

H2 how many elements?

rjkz [21]

There are two elements, two hydrogen to be exact.

4 0

3 years ago