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jek_recluse [69]
3 years ago
14

Which of the following is not a symbol used in chemical equations?

Chemistry
1 answer:
kkurt [141]3 years ago
5 0

Explanation:

The following representations are the symbols that are being used in chemical equations.

- All representations of elements in the periodic table

- (s)  solid state

- (g)  gaseous state

- (l)  liquid state

- (aq) aqueus solution

- ∆  indicates the application of heat

- →← Forward and Backward direction

- ⇄ Reversible reaction

Anything outside these symbols are not being used in chemical equations.

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Aluminum reacts with HCl to produce aluminum chloride and hydrogen gas.
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Answer:

Aluminum Reacts With Hydrochloric Acid To Produce Aluminum Chloride And Hydrogen Gas. 2Al(s) + 6HCl(aq) -> 2AlCl3(aq) + 3H2(g)What Mass Of H2(g) Is Required From The Reaction Of 0.75 G Of Al(s) With Excess Hydrochloric

7 0
3 years ago
An adiabatic throttling valve expands an ideal gas. The internal energy of the ideal gas?
just olya [345]

The internal energy of the ideal gas is zero

The change in internal energy  for an isothermal process is zero.

An ideal gas has no interactions between particles, therefore no intermolecular forces.

pressure change at constant temperature does not change the internal energy.

Adiabatic throttling expansion has less work done and lower heat flow.

That lower the internal energy.

The temperature decreases during the adiabatic expansion

Hence the internal energy of the ideal gas is zero

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3 0
2 years ago
A waterbed mattress has the following dimensions: 210 cm X 160 cm X 25 cm. The density of water is 62.4lb/ft3. What is the weigh
artcher [175]

<u>Answer:</u> The weight of water bed in pounds is 1850.16 lb

<u>Explanation:</u>

To calculate the volume of cuboid, we use the equation:

V=lbh

where,

V = volume of cuboid

l = length of cuboid = 210 cm

b = breadth of cuboid = 160 cm

h = height of cuboid = 25 cm

Putting values in above equation, we get:

V=210\times 160\times 25=8.4\times 10^5cm^3=29.65ft^3      (Conversion factor:  1cm^3=3.53\times 10^{-5}ft^3 )

To calculate the mass of waterbed, we use the equation:

\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}

Density of waterbed = 62.4lb/ft^3

Volume of waterbed = 29.65ft^3

Putting values in above equation, we get:

62.4lb/ft^3=\frac{\text{Mass of waterbed}}{29.65ft^3}\\\\\text{Mass of waterbed}=(62.4lb/ft^3\times 29.65ft^3)=1850.16lb

Hence, the weight of water bed in pounds is 1850.16 lb

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4 years ago
Why water can reduce unpleasant smell that produce from methane gas ?
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Answer:Water contains Oxygen the purified the methane gas

Explanation:

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3 years ago
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If you add ethyl alcohol to water, will the overall density increase or decrease?
Gnom [1K]
Increase in density
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