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2 years ago

Cells are made of organelles, specialized structures at each perform specific functions that help the cell maintain homeostasis.

Chemistry

1 answer:

Lynna [10]2 years ago

6 0

Answer:

B and d and E

Explanation:

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An atom has 19 protons and 20 neutrons. what is the atomic number with steps

sergey [27]

Answer:

Explanation:

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3 years ago

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What conditions are needed to prevent iron from rusting?

yulyashka [42]

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3 years ago

A beaker contains 0.125 L of a 3.00 M solution. If the volume goes up to 0.325 L, what is the new molarity?

igor_vitrenko [27]

Answer:

1.15 M

Explanation:

Step 1: Given data

Initial volume (V₁): 0.125 L

Initial concentration (C₁): 3.00 M

Final volume (V₂): 0.325 L

Final concentration (C₂): ?

Step 2: Calculate the final concentration of the solution

We want to prepare a dilute solution from a concentrated one by adding water. We can calculate the concentration of the dilute solution using the dilution rule.

C₁ × V₁ = C₂ × V₂

C₂ = C₁ × V₁/V₂

C₂ = 3.00 M × 0.125 L/0.325 L = 1.15 M

8 0

3 years ago

A sample of oxygen gas has a volume of 45.8 mL when its pressure is 0.492 atm. What

White raven [17]

Answer:

Explanation:

$P_1=0.492\:atm\\V_1 = 45.8\:ml\\V_2 = ?\\P_1 = 0.954\:atm\\\\Boyle's Law = P_1V_1 = P_2V_2\\\\Lets \:make\: V \:subject\:of\:the\:formula\\\\\frac{P_1V_1}{P_2} = \frac{P_2V_2}{P_2} \\ \\V_2 =\frac{P_1V_1}{P_2} \\V_2 = \frac{0.492\times45.8}{0.954}\\ \\V_2 = \frac{22.5336}{0.954} \\\\V_2 = 23.620\\\\V_2 = 23.6$

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3 years ago

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A liquid that evaporates at a slow rate exhibits __________.

Marizza181 [45]

Strong internolecurar forces (A) hope it helps

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3 years ago