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Airida [17]
4 years ago
5

Cuál es la definición de un átomo?

Chemistry
1 answer:
SVETLANKA909090 [29]4 years ago
4 0

Answer:El átomo es una unidad básica de materia que consiste en un núcleo central denso rodeado por una nube de electrones cargados negativamente.

Explanation:

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How many grams of calcium chloride were used if 2.485 grams of calcium oxalate monohydrate were produced, assuming a 100% yield.
DochEvi [55]

Answer:

54 G

Explanation:

5 0
3 years ago
Please help me match these to the boxes
mamaluj [8]

Answer:

answers from left to right:

decomposition,decomposition,synthesis,replacement,synthesis,replacement

Explanation:

6 0
3 years ago
The diagram below shows Earth, four different positions of the Moon, and the direction of incoming sunlight.
Allisa [31]

Answer:

im 99% sure its 2

Explanation:

7 0
3 years ago
An electrochemical cell has the following standard cell notation.
Alona [7]

Explanation:

The given following standard cell notation.  

Mg(s) | Mg^2+ (aq) || Aq^+(aq) | Aq(s)

Oxidation:

Mg(s)\rightarrow Mg^{2+}+2e^-....(1)

Magnesium metal by loosing 2 electrons is getting converted into magnesium cation. Hence, getting oxidized

Reduction:

Ag^+(aq)+1e^-\rightarrow Ag(s)...(2)

Silver ion by gaining 1 electrons is getting converted into silver metal. Hence, getting reduced.

Overall redox reaction: (1)+2 × (2)

Mg(s)+2Ag^+(aq)\rightarrow Mg^{2+}+2Ag(s)

4 0
3 years ago
The position of the equilibrium for a system where K = 6.4 × 10 9 can be described as being favoring ________________
geniusboy [140]

Answer:

to the right (products side)

Explanation:

The equilibrium constant K describes the ratio between the concentration of products and reactants at equilibrium. For a general reaction:

a A + b B → c C + d D

The equilibrium constant expression is:

K = \frac{[C]^{c} [D]^{d}  }{[A]^{a} [B]^{b}  }

A low value of K indicates that the concentration of products (C and D) is low in relation with the concentration of reactants (A and B).

Conversely, a high value of K indicated that the concentration of products is high compared with the concentration of reactants.

Since K = 6.4 × 10⁹ is a high value, the concentration of products is higher than the concentration of reactants at equilibrium. Thus, the position of the equilibrium is favored to the right.

5 0
3 years ago
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