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3 years ago

11

Predator-prey relationship examples in the marine

1 answer:

astraxan [27]3 years ago

6 0

Answer: Seastars prey on mussels and shellfish which would otherwise have no other natural predators. Herbivorous fish like the butterflyfish pictured to the left prey on marine algae. Without this crucial predator-prey balance, the algae would over-grow, which would then kill coral, as they compete for the same resources.

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what’s the chemical equation for production of potassium vapor and molten sodium chloride from molten potassium chloride and mol

elena-14-01-66 [18.8K]

Answer:

$\huge\boxed{\sf KCl_{(aq)}+Na_{(aq)} \longrightarrow K_{(l)}+NaCl_{(aq)}}$

Explanation:

<u>Chemical formulas for every compound:</u>

Potassium vapor => $K_{(l)$

Molten soldium chloride => $NaCl_{(aq)}$

Molten Potassium chloride => $KCl_{(aq)}$

Molten Sodium Metal => $Na_{(aq)}$

<u>The reaction will be as follows:</u>

$KCl_{(aq)}+Na_{(aq)} \longrightarrow K_{(l)}+NaCl_{(aq)}$

This reaction is usually called displacement reaction in which an element displaces another element of a compund.

$\rule[225]{225}{2}$

4 0

2 years ago

What is the Ph of a 3.9* 10^-8 M OH- solution

Maksim231197 [3]

Molarity = 3.9 * 10 ^ -8

pH = - log (3.9 * 10 ^ -8)

pH = - (-7.40893539)

pH = 7.409 = 7.4 ... Ans

3 0

3 years ago

HURRY!! 30 points!!

AnnZ [28]

Answer:

The amount of each element that begins photosynthesis equals the amount of each element that is produced

Explanation:

3 0

3 years ago

What is the temperature of 0.750 mol of a gas stored in a 6,050 mL cylinder al 221 atm?

Rasek [7]

Answer:

T = 246 K

Explanation:

Given that,

Number of moles, n = 0.750 mol

The volume of the cylinder, V = 6850 mL = 6.85 L

Pressure of the gas, P = 2.21 atm

We need to find the temperature of the gas stored in the cylinder. We know that,

PV= nRT

Where

R is gas constant

T is temperature

So,

$T=\dfrac{PV}{nR}\\\\T=\dfrac{2.21\times 6.85}{0.75\times 0.0821}\\T=245.85\ K$

or

T = 246 K

So, the temperature of the gas is equal to 246 K.

4 0

2 years ago

What are the symptoms of high alkaline phosphatase?

Lesechka [4]

Answer:

Itching.

Nausea and vomiting.

Weight loss.

Fatigue.

Weakness.

Jaundice.

Swelling and pain in your stomach.

Dark-colored urine and/or light-colored stool.

Explanation:

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5 0

2 years ago