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Orlov [11]
4 years ago
11

How did the development of the earliest idea about atoms differ from the later work of scientists?

Chemistry
2 answers:
goblinko [34]4 years ago
5 0
At first, atoms were considered to be very simple and indivisible. People form ancient times knew only of water, earth, fire, and air, not what constitutes them or how they work specifically. Now, there are 118 elements and all atoms are proven to consist of neutrons, protons, and electrons, and that's just the beginning of it.
AlekseyPX4 years ago
3 0

Answer: The Answers C " It was based on thoughts of an early philospher"

Explanation:

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How do you predict a reaction outcome for Ni(s) + H2O(L)?
ElenaW [278]

Answer:

Ni(s) + H₂O(l) -------------> [Ni(H₂O)₆]²⁺

Explanation:

Data Given:

Reactants:

Ni(s) + H₂O(l)

Product = ?

Solution:

Names of the Reactants

Ni = Nickel

H₂O = water

Reaction:

Normally nickel directly does not react with water under normal condition. But indirectly in acidic or neutral condition it form complex ion.

For this it first dissolve slowly in dilute acid, in this reaction it liberate Ni²⁺ ions these nickel ions form light green complex ions in aqueous solution.

              Ni(s) + H₂SO₄(aq) -------> Ni²⁺(aq) + SO₄²⁻(aq) + H₂

This is a type of complex formation in which Nickel react with water and produced a light green color new complex ion or product.

Complete reaction is as under

                  Ni(s) + H₂O(l) -------------> [Ni(H₂O)₆]²⁺

Balance Reaction:

                   Ni(s) + 6 H₂O(l) -------------> [Ni(H₂O)₆]²⁺

So.

by this reaction one product is formed that is [Ni(H₂O)₆]²⁺ named as hexaqua nickel ion

7 0
3 years ago
BRAINLY I NEED PLS ASP! Its science I NEED HELP PLS
kow [346]

Answer:

B

Explanation:

8 0
4 years ago
Read 2 more answers
An isotope contains 16 protons 18 electrons and 16 neutrons. what is the identity of the isotope
jarptica [38.1K]

Answer:

Sulfur

Explanation:

You find the identity by looking at the number of protons.  The number of protons never change for an element.

3 0
3 years ago
In the balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid, the products are:
earnstyle [38]

The balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid is:

Sodium hydroxide + Sulfuric acid →  Sodium sulfate +water

<h3>What is the balanced molecular equation?</h3>

A balanced equation is an equation for a chemical reaction in which the number of atoms for each element in the reaction and the total charge is the same for both the reactants and the products. In other words, the mass and the charge are balanced on both sides of the reaction.

In the given reaction, the reactants have been sulfuric acid and sodium hydroxide. Thus, these are written on the left side of the right arrow. The sodium sulfate and water have been the products and written on the right side of the right arrow.

The balanced molecular equation for the neutralization of sodium hydroxide with sulfuric acid is:

Sodium hydroxide + Sulfuric acid →  Sodium sulfate +water

Learn more about balanced molecular equations here:

brainly.com/question/4025301

#SPJ4

7 0
2 years ago
Consider the volumes of benzaldehyde and acetone that you used for your scaled-down version of the lab (as described on the Aldo
lutik1710 [3]

Answer:

Aldol condensation is possible only when their is alpha Hydrogen atom is present. It ia present only in the acetophenone and not in benzaldehyde.

Explanation:

3 0
4 years ago
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