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Neko [114]
2 years ago
15

Help Please! its another cell functions

Chemistry
2 answers:
kolezko [41]2 years ago
6 0

Answer:

The oxygen molecules will spread out evenly and many will enter the cell by passing through tiny openings in the membrane.

Explanation:

A cell membrane will allow the oxygen to enter by diffusion. Diffusion is the movement of particles from an are of higher concentration to an area of lower concentration. Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion.

EleoNora [17]2 years ago
3 0

Answer: last option!

Explanation:

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In the number 12.345, the 1 is in what place
GalinKa [24]

Answer:tens place

Explanation:

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3 years ago
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What is the theoretical yield for 3.14 g of magnesium, and .367 g of magnesium?
Dennis_Churaev [7]

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Explanation:

i dont know

Magnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column of the periodic .

Symbol: Mg

Atomic mass: 24.305 u

Electron configuration: [Ne] 3s2

Atomic number: 12

Melting point: 650 °C

Oxidation number: 2

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3 years ago
For the reaction shown, calculate how many grams of each product form when the following amounts of reactant completely react to
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<span>You need to use some stoichiometry here. The only way to do that is if you're working in moles. Since you're given grams of Al, you can convert that moles by dividing by the molar mass. Then from looking at the coefficients in your equation, you can see that for however many moles of Al react, the same numbers of moles of Fe will be produced, but only half as many moles of Al2O3 will be produced. To go back to grams, multiply the moles of each product that you get by their molar masses!</span>
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3 years ago
Identify the for of energy<br><br> (A)thermal<br> (B)kinetic<br> (C)chemical<br> (D)electrical
RoseWind [281]

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<u>C Chemical Energy</u>

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food gives us chemical energy which may be transformed to other later..

<em><u>please mark me brainliest</u></em>

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3 years ago
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Los hermanos Ana Victoria y José Leonardo están patinando en el hielo, con 25 y 20 kg respectivamente de masa, si Victoria empuj
andreyandreev [35.5K]

Utiliando las leyes de Newton encontraremos que la aceleración de Ana es -1.6 m/s^2.

La segunda ley de Newton dice que:

F = m*a

Fuerza es igual a masa por aceleración.

La tercera ley de Newton dice que cuando dos objetos interactuan, cadan objeto ejerce una fuerza de <u>igual magnitud pero opuesta direccion</u> en el otro.

Ahora veamos como aplicar esto.

Sabemos que la niña empuja al niño, asumamos que con una fuerza F.

Tendremos entonces la ecuación:

F = 20kg*(2m/s^2) = 40N

Y por la tercer ley de Newton, esta misma fuerza (pero en opuesta dirección) se aplica a la niña, entonces tendremos:

-40N = 25kg*a

-40N/25kg = a = -1.6 m/s²

La aceleración con la que retrosede la niña es -1.6 m/s²

Sí quieres aprender más, puedes leer:

brainly.com/question/17123407

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