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Ivanshal [37]
2 years ago
12

Sin duda habrás ido al supermercado ¿Cómo se encuentran los productos que ahí se ofertan a la venta? ¿Qué sucede si te encuentra

s entre los artículos de papelería una caja de tetrapack de puré de tomate, o si entre las manzanas encuentras un empaque de jamón? ¿Por qué fue fácil identificar que la caja de tetrapack o el empaque de jamón no deben estar
ahí? Explica.

Chemistry
1 answer:
Semmy [17]2 years ago
7 0

Answer:

En el supermercado, los productos que se ofertan se encuentran ordenados por sector, específicamente diferenciados de otros tipos de productos. Así, por ejemplo, los artículos de limpieza se encuentran ubicados en un sector específico, sin mezclarse con los productos de otros sectores, como los de lácteos, por ejemplo.

Es ese orden el que permite que los consumidores puedan realizar sus compras de forma efectiva, ahorrando tiempo y maximizando las ganancias de la empresa, ya que los consumidores tardan menos tiempo en realizar sus compras, pudiendo la empresa atender a mayor cantidad de clientes.

Por ello, en caso de que un producto no se encuentre en su sector previamente determinado produce en el consumidor, como mínimo, una sorpresa, además de la presunción de que puede tratarse de un error. Ello pues, como se dijo, el orden es fundamental para garantizar que el consumidor encuentre el producto que busca en el lugar específico para ello.

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Answer the following questions based on the reaction below: NaOH(aq) + KHP(s) --> NaKP(aq)+H2O(I)
Natali [406]

Answer:

<u />

  • <u>a) 1.44g</u>

<u />

  • <u>b) 77.3%</u>

<u />

Explanation:

<u>1. Chemical balanced equation (given)</u>

       NaOH(aq)+ KHP(s)\rightarrow NaKP(aq)+H_2O(l)

<u>2. Mole ratio</u>

1molNaOH(aq):1molKHP(s)

This is, 1 mol of NaOH will reacts with 1 mol of KHP.

<u />

<u>3. Find the number of moles in 72.14 mL of the base</u>

    Molarity=\text{number of moles of solute}/\text{volume of solution in liters}

    \text{Volume of solution}=72.14mL=0.07214liters

     \text{Number of moles of NaOH}=0.0978M\times 0.07214liter=0.007055mol

<u>4. Find the number of grams of KHP that reacted</u>

The number of moles of KHP that reacted is equal to the number of moles of NaOH, 0.007055 mol

Convert moles to grams:

  • mass = number moles × molar mass = 0.007055mol × 204.23g/mol
  • mass = 1.4408 g.

You have to round to 3 significant figures: 1.44 g (because the molarity is given with 3 significant figures).

<u>5. Find the percentage of KHP in the sample</u>

The percentage is how much of the substance is in 100 parts of the sample.

The formula is:

  • % = (mass of substance / mass of sample) × 100

  • % = (1.4408g/ 1.864g) × 100 = 77.3%
7 0
3 years ago
1) How much energy would be required to melt 15.0 g of ice at 0°C?
DerKrebs [107]

Answer:

5010J

Explanation:

The following data were obtained from the question:

Mass (m) = 15g

Heat of fusion (ΔHf) = 334J/g

Heat required (Q) =..?

The heat energy required to melt the ice can be obtained as follow:

Q = m·ΔHf

Q = 15 x 334

Q = 5010J

Therefore, the heat energy required to melt the ice is 5010J.

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Convert 321 millimeters to picometers
pantera1 [17]
3.21e+11 is your answer for 321 millimeters in picometers. Hope this helps!

3 0
3 years ago
A reversible reaction is a reaction that takes place in the (blank). If the reaction were to(blank) , the rate of the forward re
svetoff [14.1K]

A reversible reaction is a reaction that takes place in the ( formation of reactants to products and products to reactants simultaneously ). If the reaction were to ( be in dynamic equilibrium ), the rate of forward reaction would be equal to that of the reverse reaction.

hope this helps :))

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Which of these is an example of physical change
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Answer:

it is A mark me big brain pls

Explanation:

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