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3 years ago

Large tides, called spring tides, are experienced in the Earth's oceans when the moon is in position

2 answers:

6 0

Large Tides, Called Spring Tides, are Experienced in the Earth's Ocean When The Moon Is in Position

Answer:C) A and C even

Even though there's no Picture I would Say that

Troyanec [42]3 years ago

4 0

your answer is A and C the to have to line up to be a Spring Tide

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Water ionizes by the equationH2O(l)⇌H+(aq)+OH−(aq)The extent of the reaction is small in pure water and dilute aqueous solutions

tia_tia [17]

Explanation:

$H_2O(l)\rightleftharpoons H^+(aq)+OH^-(aq)$

The value of $K_w$ :

$K_w=[H^+][OH^-]$

a. pOH = 3.51

The sum of pH and pOH is equal to 14.

pH + pOH = 14 (at 25°C)

pH = 14 - 3.51 = 10.49

The pH of the solution is defined as negative logarithm of hydrogen ion concentration in solution.

$pH=-\log[H^+]$

$10.49=-\log[H^+]$

$[H^+]=3.2\times 10^{-11}$

$3.2\times 10^{-11} M$ is the $H^+$ concentration for an aqueous solution with pOH = 3.51 at 25°C.

At a certain temperature, the pH of a neutral solution is 7.56.

Neutral solution means that concentration of hydrogen ion and hydroxide ions are equal.

$[H^+]=[OH^-]$

$7.56=-\log[H^+]$

$[H^+]=2.754\times 10^{-8} M$

The value of $K_w$ at at this temperature:

$K_w=[H^+][OH^-]$

$K_w=[H^+][H^+]$

$K_w=(2.754\times 10^{-8})^2=7.6\times 10^{-16}$

The value of $K_w$ at at this temperature is $7.6\times 10^{-16}$ .

5 0

4 years ago

A sample of gas occupies 3.00 L with 5.00 moles present. What would

pantera1 [17]

3/5 times 5/3x = 8*3/5. X=24/5 simplified would be x= 4.8 L.

5 0

3 years ago

Which of the following compounds has only one atom of carbon?

frez [133]

<h3>Answer: CO2</h3>

Explanation:

Well C2H6 there are 2 carbon and 6 hydrogen atoms

and having no number on the right of the letter means there is only one atom

8 0

3 years ago

Suppose you had an organic molecule such as cystine, and you chemically removed the --nh2 group and replaced it with --cooh. Dra

Serggg [28]

Cystine is dimer of Cystein amino acid formed by oxidation reaction. Its main function is to provide mechanical strength to proteins and allow them to retain their 3-D structures and also serves as a substrate for the cystine-glutamate antiporter.

As shown in figure cystine has two amino groups (highlighted blue) and two carboxylic groups (highlighted green). In its original structure cystine is neutral in nature as it has equal number of basic (NH₂) and acidic (COOH) moieties along with two chiral centers (asymmetric carbons) highlighted with red spots.

When one -NH₂ group is replaced by -COOH group the cystine is converted into an acidic compound with three COOH groups and a NH₂ group. Also, one asymmetric carbon will convert into a symmetrical carbon with a loss of one chiral carbon.

In second step, when another NH₂ is replaced by COOH, the acidic strength of resulting compound will increase along with conversion of last chiral carbon into symmetric carbon.

Therefore, the final structure will be acidic in nature with zero chiral carbons as shown in figure attached below.

6 0

3 years ago

i like this guy but i don't think he likes me back. he also goes to school somewhere else, but we see eachother every friday. he

Firdavs [7]

You should try to strt a conversation with him or say hi introduce yourself or ask him how hes doing just talk to him i guess

3 0

4 years ago

Read 2 more answers