2 years ago

Which substance has the greatest of elements? Sugar 45 elements

Chemistry

1 answer:

Nutka1998 [239]2 years ago

7 0

Answer: Which elements are found in the greatest number of substances?

...

Chemical Name Sucrose

Chemical Formula C12H22O11

Number of Elements 3

Name of Elements Carbon, Hydrogen, Oxygen

Number of Atoms 45

Explanation:

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Consider the following balanced equation:

algol [13]

Moles of PF₃ : 4

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

$\tt P_4(s)+6F_2(g)\rightarrow 4PF_3(g)$

1.25 moles of P₄(s) is reacted with 6 moles of F₂(g)

Limiting reactant : the smallest ratio (mol divide by coefficient)

P₄ : F₂ =

$\tt \dfrac{1.25}{1}\div \dfrac{6}{6}=1.25\div 1\rightarrow F_2~limiting~reactant(smallest~ratio)$

mol PF₃ based on mol of limiting reactant(F₂), so mol PF₃ :

$\tt \dfrac{4}{6}\times 6~moles=4~moles$

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3 years ago

I need help, decreases or increases

vitfil [10]

Answer:

increase

Explanation:

3 0

3 years ago

How much heat is required to increase the temperature of 100.0 grams of iron from 15.0oC to 40.2oC? (The specific heat of iron i

Ksenya-84 [330]

Answer is: 1160 J of heat Is required to increase the temperature.
m(Fe) = 100 g.
∆T = 40,2 - 15 = 25,2°C.
C(Fe) = 0,46 J/g•°C.
Q = m(Fe) • C • ∆T.
Q = 100 g • 0,46 J/g•°C • 25,2°C
Q = 1160 J.
C - specific heat.

3 0

2 years ago

Read 2 more answers

Systems in nature tend to undergo changes towards?

kupik [55]

Lower energy and more disorder

8 0

3 years ago

The element aluminum has an atomic number of 13. How many protons are in the nucleus of an aluminum atom?

morpeh [17]

Answer:

aluminium has 13 protons,13 electron,and 14 neutron.

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3 years ago