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Pani-rosa [81]
4 years ago
13

If you had excess chlorine, how many moles of aluminum chloride could be produced from 28.0 g of aluminum?

Chemistry
1 answer:
MaRussiya [10]4 years ago
5 0

Answer:

1.04 moles of AlCl₃

Explanation:

Balanced Equation:  2Al°(s) + 3Cl₂(g) => 2AlCl₃(s)

Approach => convert given data (28 g Al°) to moles. The number of moles  AlCl₃ would equal the number of moles aluminum because coefficients for Aluminum and Aluminum Chloride are equal.

moles Al° = (28g)/(27g/mole ) = 1.04 mole Al°

From balanced equation moles AlCl₃ produced equals moles of Al° produced = 1.04 mole AlCl₃ because coefficients of Al° & AlCl₃.

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instrucions classify the following reactions as synthesis, decomposition,single replacement, double replacement, or combustion.
My name is Ann [436]

Answer:

There are no specific equations but here what i can give you:

1. Synthesis -- A synthesis reaction is a chemical change in which two or more substances react to form a single new substance.

In all synthesis reactions, there is a single product that is a compound!

2. Decomposition -- A decomposition reaction is a chemical change in which a single compound breaks down into two or more simpler products. (This is the opposite of synthesis reactions!)

Most decomposition reactions require energy in the form of heat, light, and electricity.

3. Single Replacement -- A single-replacement reaction is a chemical change in which one element replaces a second element in a compound. You can identify a single-replacement reaction by noting that both the reactants and the products consist of an element and a compound.

4. Double Replacement -- A double-replacement reaction is a chemical change involving an exchange of positive ions between two compounds.

For a double replacement reactions to occur, one of the following is usually true:

- One of the products is only slightly soluble and precipitates from solutions.

- One of the products is a gas.

- One product is a molecular compound such as water.

5. Combustion -- A combustion reactions is a chemical change in which an element or a compound reacts with oxygen, often producing energy in the form of heat or light.

A combustion reactant always involves oxygen as a reactant. (If the supply of oxygen is limited, then the combustion will not be complete.)

The other reactant is a hydrocarbon, which is a compound composed of hydrogen and carbon and the complete combustion of a hydrocarbon produces CO2 and H2O.

Hydrocarbons include methane, propane, and butane.

I really hope this helps you!

3 0
3 years ago
The approach most commonly used to measure metabolic rate is to measure the rate of O2 consumption. Although there are small err
In-s [12.5K]

Explanation:

Metabollic rate is the amount of energy expended from an organism at a given point in time.

Equation of how glucose (food) is broken down via respiration:

C6H12O6(s) + 6O2(g) --> 6H2O(l) + 6CO2(g)

The amount of energy produced for the types of food is roughly proportional to the amount of oxygen use, so that the metabolic rate can be measured by measuring the rate of oxygen consumption.

3 0
3 years ago
ES
mars1129 [50]

Answer:

150mL

Explanation:

First, let us calculate the volume of the diluted solution. This is illustrated below:

Information obtained from the question include:

V1 (initial volume) = 50mL

C1 (initial concentration) = 1M

C2 (final concentration) = 0.25M

V2 (final volume) =.?

The volume of the diluted solution can be obtained using the dilution formula C1V1 = C2V2 as shown below:

C1V1 = C2V2

1 x 50 = 0.25 x V2

Divide both side by 0.25

V2 = 50/0.25

V2 = 200mL

The volume of the diluted solution is 200mL.

Now, to obtain the volume of the water added to the solution, we'll simply subtract the initial volume from the final volume as shown below

Volume of water added = V2 - V1

Volume of water added = 200 - 50

Volume of water added = 150mL

Therefore, the volume of water added is 150mL

5 0
3 years ago
Tại sao dung dịch nacl dẫn điện
Margaret [11]
Tai said dung such nacl dân dên
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6 0
3 years ago
How does incoming solar radiation make life on earth possible?
MrMuchimi

<span>Light from the sun provides energy for life’s processes. It enables the primary producers (photosynthetic organisms) such as phytoplankton and plants to produce organic molecules from abiotic factors. This energy is passed up as primary and secondary consumers consume these producers and this cycle continues up the foods chain/web. </span>






5 0
3 years ago
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