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aniked [119]
3 years ago
14

When aluminum, Al, metal is dipped in an aqueous solution of hydrochloric acid, HCl, hydrogen gas, H2, is produced with the form

ation of an aluminum chloride, AlCl3, solution. Write the balanced chemical equation showing the phases of reactants and products. Express your answer as a chemical equation including phases.
Chemistry
1 answer:
Alex17521 [72]3 years ago
8 0

Answer:

2Al (s) +  6HCl (aq) → 2 AlCl3 (aq)  +  3H2 (g)↑  

Explanation:

- We can put an up arrow to H2 cause as it is a gas, it can be released to the atmosphere.

- Aluminum as metal must be solid.

- As we have two solutions, both are aqueous phase.

- The stoichiometry must match on both sides of the reaction to have the same amount of elements of each compound.}

Reactants : 2 Aluminun

6 Hydrogen

6 Chloride

Products:

2 Aluminun

2.3 = 6 Chloride

3.2 = 6 Hydrogen

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Identify the most common reaction conditions for the dehydration of 2,3-dimethyl-2-pentanol.Select all that apply.A. The presenc
defon

Answer:

D. The presence of a base catalyst.

E. The presence of an acid catalyst. and

F. The presence of heat.

Explanation:

8 0
3 years ago
How many moles of sodium will react with water to form sodium hydroxide and 4.0 moles of hydrogen?
11Alexandr11 [23.1K]
It is 4/10 of moles is this ane halp?
5 0
3 years ago
Dustin is mixing concrete. A formula for concrete calls for 3/8 gal of water. Dustin wants to make 7/9 more concrete than the fo
slava [35]
We can use a ratio to solve this question. Lets refer to the amount formed by the formula as a serving
1 serving needs 3/8 gal
We want to create 7/9 servings extra, so
1 + 7/9 = 16/7
1 : 3/8
16/7 : x
1/(3/8) = (16/7) / x
8 / 3 = 16x / 7
x = 7/6
He needs to use 7/6 gallons of water.
5 0
3 years ago
If I have 21 liters of gas held at a pressure of 78 atm and a temperature of 900 K, what will
shusha [124]

Answer:

30.33L

Explanation:

Using Boyle's law which states that the volume of a given mass of gas is inversely proportional to the pressure, provided temperature remains constant  and Charles law states that the volume of a given mass of gas is directly proportional to the temperature provided the pressure remains constant

P1V1/T1 = P2V2/ T2

P1 =  78atm, V1 = 21L , T1 = 900K

P2 = 45atm, V2 = ? , T2 =750K

78× 21 / 900 = 45×V2 / 750

1638/900 = 45 V2 / 750

1638×750 = 900×45V2

1228500 = 40500V2

Divide both sides by 40500

1228500÷40500= V2

V2 = 30.33L

I hope this was helpful, please mark as brainliest

6 0
3 years ago
A solution contains 15 grams of salt per litter of solution. How many grams of salt are in 3.3 litters of solution?​
Verizon [17]

49.5g

Explanation:

Mass of salt = 15g

Volume of solution = 1L

Volume of given solution = 3.3L

Unknown:

Mass of salt in the solution = ?

Solution:

Since we have been given the concentration of the salt in the solution, we can use it to solve the problem.

Concentration; 15g/L

Given;

    In 1L of the solution we have 15g of salt,

In    3.3L of the solution we will have 3.3 x 15 = 49.5g

The salt is the solute and it represents the dissolved substances.

learn more:

Concentration brainly.com/question/4641902

#learnwithBrainly

7 0
3 years ago
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