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3 years ago

In humans these organs are part of a lager system the ___ system?

Chemistry

2 answers:

trasher [3.6K]3 years ago

8 0

Answer:

B) digestive

Explanation:

Delicious77 [7]3 years ago

3 0

Answer:digestive

Explanation: i did this ans got it right

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How do you find products in a chemical equation?

sammy [17]

Answer:

the elements or compounds on the right side of the equation

Explanation:

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4 years ago

Electron Dot Structures

sineoko [7]

Answer:

surf (S)

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3 years ago

The voltage for the following cell is +0.731 V. Find Kb for the organic base RNH2. Use EscE 0.241V.

tino4ka555 [31]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The value is $K_b = 1.89 *10^{-6}$

Explanation:

From the question we are told that

The voltage of the cell is $V = 0.731 \ V$

Generally $K_b$ is mathematically represented as

$K_b = \frac{K_w }{ K_a }$

Where $K_w$ is the equilibrium constant for this auto-ionization of water with a value $K_w = 1.0 *10^{-14}$

Generally the $E_{cell}$ is mathematically represented as

$E_{cell} = V - E_{SCE}$

=> $E_{cell} = 0.731 - 0.241$

=> $E_{cell} = 0.49 V$

This $E_{cell}$ is mathematically represented as

$E_{cell} = \frac{0.0592}{n} * log K_a$

Where n is the number of moles which in this question is n = 1

$0.490 = \frac{0.0592}{1} * log K_a$

=> $K_a = 5.30*10^{-9}$

$K_b = \frac{ K_w}{ K_a}$

=> $K_b = \frac{1.0 *10^{-14}}{ 5.30*10^{-9}}$

=> $K_b = 1.89 *10^{-6}$

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3 years ago

What is the mole-to-mole ratio between N2 and H2?

spin [16.1K]

Remember, look at the coefficients in the balanced equation! Here are three mole ratios:
1 mole N2 / 3 moles H2.
3 moles H2 / 2 moles NH3.

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3 years ago

Bob is cleaning his dishwasher with white vinegar by putting a bowl of this ____________ mixture in the top of an empty dishwash

trasher [3.6K]

Hi JavonEtuff2,

Answer - B. Homogeneous

Store bought vinergars are typically have been filtered which makes it homogeneous. In the question it states white vinegar which has been distilled and pure mixture of water and acetic acid.

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4 years ago