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GuDViN [60]
3 years ago
13

¿qué propiedades tomó en cuenta John Newlands para clasificar los elementos de la tabla periódica?

Chemistry
1 answer:
liubo4ka [24]3 years ago
8 0

Answer:

John Newlands propuso su ley de octavas en 1864 en la que organizó todos los elementos conocidos en ese momento en una tabla en orden de masa atómica relativa. Cuando hizo esto, descubrió que cada elemento era similar al elemento ocho lugares más adelante.

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H3PO4 + NO2- e HNO3 + H2PO4​
melamori03 [73]

Answer:

The answer is nitric acid

Explanation:

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5 0
3 years ago
What is the limiting reactant when 19.9 g CuO react with 2.02 g H2?
Harlamova29_29 [7]

Answer:

Explanation:

use the equation

moles = mass/mr

=19.9/79.5

=0.250moles of CuO

then do the same for

H = 2.02/1

=2.02

so CuO is the limiting reagent because there is less amount of it.

Hope this helps  :)

4 0
3 years ago
Pls help.............
Alina [70]
C is the correct answer
6 0
3 years ago
Isoelectric point. The isoelectric point (pI) is the pH at which a molecule has no net charge. The amino acid glycine has two io
timama [110]

Answer:

pI = 6.16

Explanation:

The pI is given by the average of the pKas that are involved. In this case,

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= 6.16

6 0
3 years ago
Need answer quick please
Nikolay [14]
.5336
using avogadro’s law
6 0
3 years ago
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