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DIA [1.3K]
3 years ago
15

Mendeleev’s table of elements was better accepted than those of other scientists at the time because _______________ . Moseley w

ent a step further in suggesting that the elements be arranged according to________________ .
Chemistry
2 answers:
disa [49]3 years ago
8 0

Answer:Answer: Mendeleev's table of elements was better accepted than those of other scientists at the time because it predicted correctly the properties of elements that had not yet been discovered. Moseley went a step further in suggesting that the elements be arranged according to atomic number

Explanation:

Dmitrij [34]3 years ago
5 0

Answer:

Mendeleev’s table of elements was better accepted than those of other scientists at the time because he discovered the elements that had not yet been discovered. Moseley went a step further in suggesting that the elements be arranged according to atomic number

Atomic number

Explanation:

He arranged the elements based in groups.

He left spaces for the elements yet to be discovered. His assumptions were true as the elements were actually discovered later on

The properties of such elements were also well matched as based on their position in the periodic table.

He corrected some of the incorrect masses predicted by then.

The modern periodic table is based on periodic trend on atomic number.

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Vera_Pavlovna [14]

Answer:

One plate slides beneath another due to gravitational pull.

Explanation:

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7 0
3 years ago
Read 2 more answers
How many moles of co2 are produced when 5.40 mol of ethane are burned in an excess of oxygen?
Nimfa-mama [501]
<span>Reaction of ethane combustion:

2C2H6 (g) + 7O2 (g) ----> 4CO2 (g) + 6H2O 

According to the reaction, we can see that </span>C2H6 and CO2 have following stoichiometric ratio: 

n(C2H6) : n(CO2) = 2 : 4

If we know the number of moles of ethane we can calculate moles of carbon dioxide:

2 x n(CO2) = 4 x n(C2H6)

n(CO2) = 2 x n(C2H6)

n(CO2) = 2 x 5.4 = 10.8 mole of CO2 <span>are produced</span>


3 0
4 years ago
1. If 335g water at gains 1,666.11 J of heat, how much does the temperature of the
Setler79 [48]

Answer:

Explanation:

cold and hot are temperatures

4 0
2 years ago
An automobile gasoline tank holds 23 kg of gasoline. When the gasoline burns, 86 kg of oxygen is consumed, and carbon dioxide an
ira [324]

Question:

What is the total combined mass of carbon dioxide and water that is produced?

Answer:

<u><em>109 kg</em></u>

Explanation:

When 23 kg of gasoline burns by consuming 86 kg oxygen, they produce carbon dioxide and water. To find the total combined mass of carbon dioxide and water, we will use mass conversation law.

According to mass conversation law, the mass of the product is equal to the mass of reagent.

Mass of reagent = Mass of product

In this reaction,

Gasoline + O2 → CO2 + H2O

23 kg + 86 kg → ?

23 kg + 86 kg =  109 kg

Combined mass of carbon dioxide and water will be 109 kg.

4 0
3 years ago
What information would b requird to determine the mass of nitrogen (n)?
oee [108]
7 protons and 7 neutrons
5 0
3 years ago
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