All categories

3 years ago

In the equation:

2 answers:

6 0

3 MgCl₂ + 1 Na₃P = 1 Mg₃P₂ + 6 NaCl

Mg₃Cl₂ = Magnesium Phosphide

NaCl = Sodium chloride

hope this helps!

jek_recluse [69]3 years ago

3 0

Answer:

3 MgCl₂ + 1 Na₃P = 1 Mg₃P₂ + 6 NaCl

Explanation:

For MgCl2 + Na3P reagents to be used in a chemical reaction that forms NaCl, a balanced equation must be established. In this case, the equation will be:

3 MgCl₂ + 1 Na₃P = 1 Mg₃P₂ + 6 NaCl

Balancing a chemical equation means getting the stoichiometric coefficients right (the smallest positive integers that appear before the substances in the equations) so that the number of atoms of each element is equal on both sides of the equation, that is, the reactants (first member) and on products (second member).

This is important primarily because, as Lavoisier's law of conservation of masses says, "In a chemical reaction done in a sealed container, the sum of the reactant masses is equal to the sum of the product masses." This means that the atoms of the elements in the reactions do not appear out of nowhere, nor are they destroyed. But in fact, these atoms undergo a rearrangement, "shifting positions," as it were, because their previous bonds are undone and new chemical bonds are formed that give rise to the products.

You might be interested in

Find the mass of 0.456 mol of Ca(OH)2 Please if you can show the work.

m_a_m_a [10]

Answer:

Ca(OH)2 molecular weight. Molar mass of Ca(OH)2 = 74.09268 g/mol. This compound is also known as Calcium Hydroxide. Convert grams Ca(OH)2 to moles or moles Ca(OH)2 to grams. Molecular weight calculation: 40.078 + (15.9994 + 1.00794)*2 ››

3 0

2 years ago

Read 2 more answers

A sample of hydrogen occupies a volume of 351 mL at a temperature of 20 degrees Celsius. What is the new volume if the temperatu

xeze [42]

Volume of Hydrogen V1 = 351mL
Temperature T1 = 20 = 20 + 273 = 293 K
Temperature T2 = 38 = 38 + 273 = 311 K
We have V1 x T2 = V2 x T1
So V2 = (V1 x T2) / T1 = (351 x 311) / 293 = 372.56
Volume at 38 C = 373 ml

6 0

3 years ago

what is the maximum amount of moles of P2O5 that can theoretically be made from 136 g of P4 and excess oxygen

zhuklara [117]

We are given with
136 g P4
excess oxygen

The complete combustion reaction is
P4 + 5O2 => 2P2O5
Converting the amount of P4 to moles
136/123.9 = 1.098 moles

Using stoichiometry
moles P2O5 = 1.098 x 2 = 2.195 moles P2O5

6 0

3 years ago

Read 2 more answers

) How many moles are there in 2.00 x 10^19 molecules of calcium phosphate?

Tamiku [17]

Answer:

$\huge 3.322 \times {10}^{ - 5} \: \: moles \\$

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{2.00 \times {10}^{19} }{6.02 \times {10}^{23} } \\ \\ = 3.322 \times {10}^{ - 5} \: \: moles$

Hope this helps you

4 0

2 years ago

The reaction AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) is a(n) ______________ reaction.

Temka [501]

Answer : The correct option is, (e) precipitation reaction

Explanation :

Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously.

Oxidation reaction : It is defined as the reaction in which a substance looses its electrons. In this, oxidation state of an element increases. Or we can say that in oxidation, the loss of electrons takes place.

Reduction reaction : It is defined as the reaction in which a substance gains electrons. In this, oxidation state of an element decreases. Or we can say that in reduction, the gain of electrons takes place.

Precipitation reaction : It is defined as the reaction in which an insoluble salt formed when two aqueous solutions are combined.

The insoluble salt that settle down in the solution is known an precipitate.

Single replacement reaction : A chemical reaction in which the more reactive element replace the less reactive element.

It is represented as,

$A+BC\rightarrow AC+B$

In this reaction, A is more reactive element and B is less reactive element.

Acid-base reaction : It is defined as the reaction in which an acid react with a base to give salt and water as a product.

The given chemical reaction is:

$AgNO_3(aq)+NaCl(aq)\rightarrow AgCl(s)+NaNO_3(aq)$

This reaction is a precipitation reaction in which the two aqueous solution silver nitrate and sodium chloride combined to give sodium nitrate solution and silver chloride as a precipitate. In precipitation reaction there is no changes in oxidation state of the element.

Hence, the correct option is, (e) precipitation

8 0

3 years ago