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kvv77 [185]
2 years ago
5

A substance is followed by the symbol (1) in a chemical equation. What does the symbol represent?

Chemistry
1 answer:
alekssr [168]2 years ago
5 0

Answer:

The symbol (l) stands for liquid phase.

Explanation:

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A gas has a mass of 3.82 g and occupies a volume of 0.854 L. The temperature in the laboratory is 302 K, and the air pressure is
4vir4ik [10]

m = given mass of gas = 3.82 g

M = molar mass of gas = ?

T = temperature of laboratory = 302 K

P = air pressure = 1.04 atm = 1.04 x 101325 pa

V = volume of gas = 0.854 L = 0.854 x 10⁻³ m³

using the ideal gas equation

PV = (m/M) RT

inserting the above values

(1.04 x 101325) (0.854 x 10⁻³) = (3.82/M) (8.314) (302)

M = 106.6 g

hence the molar mass of the gas comes out to be 106.6 g

3 0
2 years ago
Consider the following chemical reaction: CO (g) + 2H2(g) ↔ CH3OH(g) At equilibrium in a particular experiment, the concentratio
AlexFokin [52]

Answer:

The equilibrium concentration of CH₃OH is 0.28 M

Explanation:

For the reaction: CO (g) + 2H₂(g) ↔ CH₃OH(g)

The equilibrium constant (Keq) is given for the following expresion:

Keq= \frac{(CH3OH)}{(CO) x (H2)^{2}} =14.5

Where (CH3OH), (CO) and (H2) are the molar concentrations of each product or reactant.

We have:

(CH3OH)= ?

(CO)= 0.15 M

(H2)= 0.36 M

So, we only have to replace the concentrations in the equilibrium constant expression to obtain the missing concentration we need:

14.5= \frac{(CH_{3}OH) }{(0.15 M) x (0.36 M) ^{2} }

14.5 x (0.15 M) x (0.36)^{2} = (CH₃OH)

0.2818 M = (CH₃OH)

6 0
2 years ago
Combustion of gasoline in automobiles produces poisonous gases. Catalytic converters that contain solid platinum, palladium, and
bagirrra123 [75]
It provides an alternative pathway for the rxn.
5 0
2 years ago
compare the mass and volume of each object what is true of the mass and volume of all the floating objects
V125BC [204]

Answer:

Volume is always more than the mass for floating objects. For sinking objects mass is always more than the volume

Explanation:

None

3 0
2 years ago
When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and silver
lisabon 2012 [21]

Answer:

The balanced chemical equation is :

BeCl_{2} + 2AgNO_{3}\rightarrow Be(NO_{3})_{2} + 2AgCl

Explanation:

The chemical equation in which number of atoms in reactants is equal to products is called balanced equation.

Formula of , Beryllium Chloride :[BeCl_{2}

Beryllium Nitrate : BeNO_{3}

Silver Chloride : AgCl

Silver Nitrate  :AgNO_{3}

When beryllium chloride reacts with dissolved silver nitrate in water , following reaction occur :

 BeCl_{2} + 2AgNO_{3}\rightarrow Be(NO_{3})_{2} + 2AgCl

The number of atoms in reactant as well as in products are balanced :

Be = 1

Ag = 2

N =2

O = 6

Cl = 2

4 0
2 years ago
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