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o-na [289]
3 years ago
9

How many molecules of HCI would react with 2 moles of AI?

Chemistry
2 answers:
laila [671]3 years ago
7 0

Answer:

A:6.02+3H2

Explanation:

trasher [3.6K]3 years ago
5 0

Answer:

It is D. 1.806 x 1024    

Have a nice day <3

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WHAT IS KNOWN AS HYBRIDIZATION​
gayaneshka [121]

\red{ \bold {\huge{ \textit{ \boxed {{\blue{QUESTION}}}}}}}

WHAT IS KNOWN AS HYBRIDIZATION

\huge\boxed{\fcolorbox{red}{blue}{ ANSWER }}

\orange{\underline{\huge{\bold{\textit{\green{\bf{HYBRIDIZATION}}}}}}}

<h3> It is the change in the orbitals of the central atom of the molecule to form bonds with other atom if same type or another type.</h3>

The hybrid orbitals r of same level .

The Hybridization takes place in between orbitals of equal or very less energy levels to form same level of energy in all orbitals.

The orbitals combine is always equal to The number of orbitals formed

The names of hybridized orbitals r kept according to the orbital which r combined to form them

<h2 /><h2>Eg:-</h2>

sp orbital :- one s and one p combine to form sp orbital

s {p}^{2}orbital :- one s and two p orbitals combine to form it..

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4 0
2 years ago
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In 1986 an electrical power plant in taylorsville, georgia, burned 8,376,726 tons of coal, a national record at that time. assum
RideAnS [48]
<span>C + O2 → CO2 (8,376,726 tons) x (0.80) / (12.01078 g C/mol) x (1 mol CO2/ 1 mol C) x (44.00964 g CO2/mol) = 24,555,054 tons CO2</span>
6 0
3 years ago
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A simple machine produces 25 joules of output work for every 50 joules of input work . What is the efficiency of this machine ?
nataly862011 [7]
2:1, output is half the input
8 0
3 years ago
What is the smallest unit of an element that retains the properties of that element?
Temka [501]

Answer:

Atom

Explanation:

The smallest unit which maintains an element's properties is an atom.

3 0
3 years ago
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This means that the steel bar lost 14900 J of thermal energy. What is the change in temperature of the steel bar? Recall that th
stiv31 [10]

Answer:

ΔT=-747,13°C

Explanation:

Sensible heat is<em> the amount of thermal energy that is required to change the temperature of an object</em>, the equation for calculating the heat change is  given by:

Q=msΔT

where:

  • Q, heat that has been absorbed or realeased by the substance [J]
  • m, mass of the substance [g]
  • s, specific heat capacity [J/g°C] (
  • ΔT, changes in the substance temperature [°C]

To solve the problem, we clear ΔT of the equation and then replace our data:

Q=msΔT

ΔT=Q/ms

ΔT=\frac{-14900 J}{40,7g*0,49\frac{J}{gC} }=-747,13°C

<em>(Note that Q=-14900 J because there is a </em><u><em>LOST</em></u><em> of thermal energy)</em>

Thus, the change in temperature of the steel bar is -747,13°C, meaning that the temperature of the bar decreases.

5 0
3 years ago
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