4 years ago

What did John Dalton publish?

Chemistry

2 answers:

cestrela7 [59]4 years ago

8 0

He did the plum pudding!

bezimeni [28]4 years ago

5 0

Answer:

An early theory describing properties of atoms.

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report the elements half life. if we start with 100g of your element (platinum) how long will it take to have 6.26g?

pav-90 [236]

Answer:

did u get the answer yet

Explanation:

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2 years ago

Numerator and denominator are Equal to one another? <br> I don’t get the concept

Alekssandra [29.7K]

It's like saying that if 1 meter is equal to 100 cm,

$\frac{100cm}{1m}$

$\frac{1m}{100cm}$

You can base the answers from the chart

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3 years ago

How many moles of atoms are there in 8.0 g of Mg?

JulsSmile [24]

Answer:

0.33

Explanation:

1mol=24

x=8

=0.33

5 0

4 years ago

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How does water affect the growth of a plant?

irina1246 [14]

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Water transports important nutrients throughout the plant.

Explanation:

Much like blood in an animal, water is necessary for a plants survival, as it transports important nutrients from the soil all through the plant's stems and leaves.

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4 years ago

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The table shows a chemical equation and the dimensional analysis used by a student to calculate the number of moles of Ba3N2 req

a_sh-v [17]

Answer:

c 3 mol of Ba(OH)₂ and 1 mol of Ba₃N₂ should be interchanged

Explanation:

Ba₃N₂ + 6H₂O → 3Ba(OH)₂ + 2NH₃

n/mol: 9.2

$\text{Moles of Ba$_{3}$N}_{2} = \text{9.2 mol Ba(OH)}_{2} \times \dfrac{\text{1 mol Ba$_{3}$N}_{2}} {\text{3 mol Ba(OH)}_{2}}= \text{x mol Ba$_{3}$N}_{2}$

They want to find moles of Ba₃N₂, so that should be in the numerator of the conversion factor,

Moles of Ba(OH)₂ should be in the denominator to cancel the units in 9.2 mol Ba(OH)₂,

8 0

3 years ago