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Papessa [141]
4 years ago
12

Que son los metaloides y que caracteristicas poseen

Chemistry
1 answer:
LenKa [72]4 years ago
6 0

Answer:

Los metaloides o semimetales son un tipo de elementos químicos que muestran un comportamiento intermedio entre los metales y los no metales, en cuanto a asuntos de ionización y propiedades de enlace. ... La lista de los metaloides abarca los siguientes elementos: Boro (B). Silicio (Si).

Explanation:

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The scientific method
Zanzabum

Answer:

The scientific method is a method of research in which a problem is identified, relevant data are gathered. Also hypothesis is made from this data, and the hypothesis is empirically tested.

Explanation:

8 0
3 years ago
What is the minimum % relative error for a 0.5M NaOH solution?
scZoUnD [109]

Answer: 20%

Explanation:

Relative error = Absolute error/actual value

= 0.1/0.5

= 0.2

Hence,

Minimum % Relative error = 0.2 ×100%

= 20%

4 0
4 years ago
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Which of the following scenarios is representative of parasitism?
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What are the following answers?
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4 years ago
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3 Cu + 8HNO3 g 3 Cu(NO3)2 + 2 NO + 4 H2O
liubo4ka [24]

24.25 moles of NO can be produced using 97 moles of HNO3.

<h3>What is balanced chemical equation?</h3>

Equal numbers of atoms from various elements are present in both the reactants and the products in balanced chemical equations. Varied elements' atom counts in the reactants and products of unbalanced chemical equations are different.

3 Cu + 8HNO3 g → 3 Cu(NO3)2 + 2 NO + 4 H2O

The number of moles consumed can be calculated using comparing with coefficients in the balanced reaction .

So , from above eq we get that 8 moles of HNO3 are consumed to make 2 moles of NO.

⇒  8 HNO3⇔2 NO

⇒ 1 HNO3⇔ 1/4 NO

This means that for each mole of HNO3 produces 1/4 moles of NO.

So , for 97 moles of HNO3 , \frac{1}{4}  *97 moles of NO can be made,

So, total moles of NO made are 24.25 moles.

Lean more about balanced reactions here brainly.com/question/26694427

#SPJ10

3 0
2 years ago
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The formation of glucose from water and carbon dioxide is an extremely important reaction for life to exist. Plants perform this
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Explanation:

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