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Klio2033 [76]
3 years ago
14

Que impacto ambiental hay de los servicios de integrales de diseño y contracción​

Chemistry
1 answer:
Nuetrik [128]3 years ago
8 0

Answer:

IMPACTO AMBIENTAL EN LOS DISEÑOS Y CONSTRUCCIÓN

Explanation:

Los impactos directos por el uso de las vías terrestres pueden incluir: mayor demanda de combustibles para los motores; accidentes con los medios no motorizados de transporte o el reemplazo de los mismos; mayor contaminación del aire, ruido, desechos a los lados del camino; daños físicos o muerte a animales y personas ...

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What is the pH of a 1.7 × 10⁻⁴ M HClO₄ solution?
Mamont248 [21]
Ph= -log[h30]

Ph= -log[1.7x10^-4]

pH= 3.77

pH is acidic
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3 years ago
A flask with a volume of 125.0mL contains air with a density of 1.269 g/L. What is the mass of the air contained in the flask?
Aliun [14]
<span>In order to solve this problem you must first make sure all your numbers are in like terms. From the density value you can see that it is grams per liter. The first conversion you must do in convert the 125.0 mL value to Liters which you would do by dividing by 1000 because 1 liter is equal to 1000 mL. 125.0 divided by 1000 is 0.125 Liter. Now you will use the density equation to solve. The density equation is density is equal to mass divided by volume. Plug in your known numbers for density and volume. Then solve for mass. So Density (1.269 g/l is equal to mass divided by volume (.125 Liter) You must rearrange the equation to multiple density by volume which is 1.269 times 0.125 which will give you 0.1586. Because the Liters cancel each other out, the answer's unit will be grams. Your final answer is 0.1586 grams.</span>
4 0
3 years ago
a solution of KCl in water has a concentration of 0.243 M. The solution has a volume of 0.580 L. How many grams of KCl are prese
Novosadov [1.4K]

Answer:

10.5 g

Explanation:

Step 1: Given data

  • Molar concentration of the solution (C): 0.243 M
  • Volume of solution (V): 0.580 L

Step 2: Calculate the moles of solute (n)

Molarity is equal to the moles of solute divided by the liters of solution.

M = n/V

n = M × V

n = 0.243 mol/L × 0.580 L = 0.141 mol

Step 3: Calculate the mass corresponding to 0.141 moles of KCl

The molar mass of KCl is 74.55 g/mol.

0.141 mol × 74.55 g/mol = 10.5 g

8 0
3 years ago
Is slime a solid or liquid?
Ivan

Answer:

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7 0
2 years ago
Which of the following is closest to the meaning of the term ancestor?
rjkz [21]

Answer:

I would say A

Explanation:

our ancestors are the people that lived long before us

8 0
3 years ago
Read 2 more answers
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