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Illusion [34]
3 years ago
6

What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?

Chemistry
2 answers:
Vinil7 [7]3 years ago
7 0
D. Synthesis cause A + B --> AB Equation: 2Na + Cl2 --> 2NaCl
bulgar [2K]3 years ago
3 0

Answer: Option (D) is the correct answer.

Explanation:

A synthesis reaction is defined as the reaction in which two molecules or atoms combine together to result in the formation of a compound.

For example, Sodium + Chloride \rightarrow \text{Sodium chloride}, is a synthesis reaction.

Decomposition reaction is a reaction in which a reactant or substance breaks into two or more substances.

For example, \text{Sodium chloride} \rightarrow Sodium + Chloride, is a decomposition reaction.

In a single replacement reaction, an element replaces one atom from a compound.

For example, Zn+ CuCl_{2} \rightarrow ZnCl_{2} + Cu

Thus, we can conclude that the chemical equation sodium + chlorine \rightarrow \text{sodium chloride} represent synthesis reaction.

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You are required to prepare 500 ml of a 6.00 M solution of HNO3 from a stock solution of 12.0 M. Describe in detail how you woul
andriy [413]

Answer: 250 ml of stock solution with molarity of 12.0 M is measured using a pipette and 250 ml of water is added to volumetric flask of 500 ml to make the final volume of 500 ml.

Explanation:

According to the dilution law,

C_1V_1=C_2V_2

where,

C_1 = concentration of stock solution = 12.0 M

V_1 = volume of stock solution = ?

C_2 = concentration of diluted solution= 6.00 M

V_2 = volume of diluted acid solution = 500 ml

Putting in the values we get:

12.0\times V_1=6.00\times 500

V_1=250ml

Thus 250 ml of stock solution with molarity of 12.0 M is measured using a pipette and 250 ml of water is added to volumetric flask of 500 ml to make the final volume of 500 ml.

8 0
3 years ago
How does a filter separate mixtures like sand and water?​
Talja [164]

Answer:

Filtration is a method for separating an insoluble solid from a liquid. When a mixture of sand and water is filtered: the sand stays behind in the filter paper (it becomes the residue ) the water passes through the filter paper (it becomes the filtrate )

Explanation:

8 0
3 years ago
You pre-weigh a glass vial to hold your sample and find its mass to be 5.010 g. You add your sample to the vial and reweigh it o
san4es73 [151]
Answer : 1.12 grams

Yo find the mass of the sample, you take the increased mass and subtract the original mass.

6.130 - 5.010 = 1.12
8 0
3 years ago
35.5 moles of lithium fluoride is dissolved in 65 L of solution
kkurt [141]

Answer:

Explanation:

L

=

1.10

L

of solution

Explanation:

The Molarity

M

is calculated by the equation comparing moles of solute to liters of solution

M

=

m

o

l

L

For this question we are given the Molarity 0.88M

We are told the solute is a 25.2 gram sample of LiF, Lithium Fluoride

We can convert the mass of LiF to moles by dividing by the molar mass of LiF

Li = 6.94

F = 19.0

LiF = 25.94 g/mole

25.2

g

r

a

m

s

x

1

m

o

l

25.94

g

r

a

m

s

=

0.97

moles

Now we can take the the molarity and the moles and calculate the Liters of solution

M

=

m

o

l

L

M

L

=

m

o

l

L

=

m

o

l

M

L

=

0.97

m

o

l

0.88

M

L

=

1.10

L

of solution i just did look at my papaer

3 0
3 years ago
2NH4Cl(aq) + Ba(OH)2(aq) -> BaCl2(aq) + 2NH3(aq) + 2H2O(1)
Akimi4 [234]

How do I answer that.

7 0
3 years ago
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