3 years ago

Graphite and diamond are both solid forms of the element carbon. Which statement explains

Chemistry

1 answer:

vlada-n [284]3 years ago

3 0

Answer: C diamond has a different crystal structure from graphite

Explanation:

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What is the number of moles in 15.0 g AsH3?

pentagon [3]

We are given with the mass of Arsine ( $AsH_{3}$

The mass of arsine is 15g

there is a relation between moles, mass and molar mass of any compound which is

$moles=\frac{mass}{molarmass}$

The molar mass of Arsine = atomic mass of As + 3X atomic mass of H

the molar mass of Arsine = 74.92 + 3X 1 = 77.92 g/mol

Let us calculate the moles as

$moles=\frac{15}{77.92}=0.192mol$

7 0

3 years ago

A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the follow

gavmur [86]

Answer:

Explanation:

PO WATER,AIR,WIND

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3 years ago

What structure do all of these elements have in common?

r-ruslan [8.4K]

I think the answer is the number of protons.

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4 years ago

How many grams of sulfur trioxide are produced 18 mol O2 react with sufficient sulfur? Show all your work S8 +12O 2> 8SO3

SOVA2 [1]

Answer:

$m_{SO_3}=2.31x10^4gSO_3$

Explanation:

Hello!

In this case, since the reaction between sulfur and oxygen is:

$S_8 +\frac{1}{2} O_2 \rightarrow 8SO_3$

Whereas there is a 1/2:8 mole ratio between oxygen and SO3, and we can compute the produced grams of product as shown below:

$m_{SO_3}=18molO_2*\frac{8molSO_3}{1/2molO_2} *\frac{80.06gSO_3}{1molSO_3} \\\\m_{SO_3}=23,057.3gSO_3=2.31x10^4gSO_3$

Best regards!

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3 years ago

Organisms that get energy by eating dead organisms are called *

Licemer1 [7]

Answer:

The Answer is A. Scavengers

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3 years ago