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vichka [17]
3 years ago
5

Another metal phosphate is cobalt phosphate. It will behave similar to calcium phosphate in an acid solution. What is the net io

nic equation including phases for CoPO4(s) dissolving in H3O^+(aq)?
Chemistry
2 answers:
ryzh [129]3 years ago
8 0
We are given with
Cobalt phosphate - CoPO4

We are asked for the net ionic equation for the phosphate dissolving in H3O+

The net ionic equation is
CoPO4 (s) + H3O+ (aq) ----->  HPO42- (aq) + Co3+ (aq) + H2O *(l)
Sidana [21]3 years ago
7 0

Answer: The equation is given below.

Explanation:

Calcium phosphate does not dissolve in water but in acid it does.Similarly cobalt phosphate is also soluble in acidic solution as it get dispersed in the acid solution.

CoPO_4(s)+H_3O^(aq)+\rightarrow HPO_{4}^{2-}(aq)+Co^{3+}(aq)+H_2O(l)

When cobalt phosphate dissolves in acidic solution as it get strongly attracted by the acid molecules and dissociates into cobalt(III) ions, hydrogen phosphate and water molecule.

Hence, the net ionic equation for cobalt phosphate in hydronium ion is given above.

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Describe the contributions made by Oparin, Haldane, Miller, and Urey toward understanding the origin of organic molecules.
balu736 [363]

Answer:

The theory of Oparin and Haldane was based on the fact that the primitive atmosphere was very different from the current atmosphere, since energy was abundant on the young planet. Both proposed that the appearance of life was preceded by a period they called "chemical evolution."

On the other hand, Miller Urey made an experiment where it was shown that some organic components were formed spontaneously if they were simulating the conditions of the Earth's early atmosphere.

Explanation:

The first hypotheses about the origin of life on Earth were suggested by Oparin and Haldane, who worked independently. Oparin presented his ideas on the origin of life in the year of 1922 by publishing them in the year of 1924. For his part, Haldane published similar ideas in 1929, however, Haldane gave priority to Oparin in the formulation of the theory.

Oparin based his hypotheses using a model he called "coacervates", which are colloidal systems formed by macromolecules that formed in aqueous media and would have evolved to form cells with membranes. According to Oparin, living beings modified the primitive atmosphere and this would have prevented, the formation of life from inorganic substances.

The Miller and Urey experiments helped reinforce the theory that the first way of life was created spontaneously through chemical reactions. However, there are still many scientists who are not convinced.

8 0
3 years ago
What mass of ni has as many atoms as there are n atoms in 63.0 g of no2?
adoni [48]

Answer : The mass of Ni is, 80.346 g

Solution :

First we have to calculate the number of moles.

\text{Moles of }NO_2=\frac{\text{Mass of }NO_2}{\text{Molar mass of }NO_2}=\frac{63g}{46g/mole}=1.369moles

Now we have to calculate the number of atoms of NO_2

As 1 moles NO_2 contains 6.022\times 10^{23} number of molecules

So, 1.369 moles NO_2 contains 1.369\times 6.022\times 10^{23} number of molecules

One NO_2 molecule has one nitrogen atom then 1.369\times 6.022\times 10^{23} number of molecules of NO_2 will contain 1.369\times 6.022\times 10^{23} number of nitrogen atoms

As per question number of Ni atoms is equal to the number of nitrogen atoms

Number of Ni atoms=1.369\times 6.022\times 10^{23} atoms

Number of moles = \frac{1.369\times 6.022\times 10^{23}}{6.022\times 10^{23}}=1.369moles

Mass of Nickel = Moles\times \text{Molecular mass}}

Molecular mass of Nickel = 58.69 g/mol

Mass of nickel = 1.369mol\times 58.69g/mol=80.346grams

8 0
3 years ago
Read 2 more answers
Who developed the concept that the total pressure of a mixture of gases is the sum of their partial pressures?.
victus00 [196]

Answer:

John Dalton

Explanation:

John Dalton developed the concept tittle: Dalton Law of Partial Pressure.

The formula is: Pt = Pa + Pb + Pc...... Pn

3 0
1 year ago
Pt 2. Chem Reactions 50 PTS
Dahasolnce [82]

The red colour is the limiting reactant.

Red-blue colour ball and two white balls attached together are reactants.

Red-blue colour ball and two white and one red colour ball attached to each other are products.

<h3>What is a limiting reagent?</h3>

The reactant that is entirely used up in a reaction is called a limiting reagent.

A reactant is a substance that is present at the start of a chemical reaction. The substance(s) to the right of the arrow are called products.

A product is a substance that is present at the end of a chemical reaction.

Hence,

The red colour is the limiting reactant.

Red-blue colour ball and two white balls attached together are reactants.

Red-blue colour ball and two white and one red colour ball attached to each other are products.

Learn more about limiting reagents here:

brainly.com/question/26905271

#SPJ1

6 0
1 year ago
How many grams of PbBr2 will precipitate when excess CuBr2 solution is added to 77.0 mL of 0.595 M Pb(NO3)2 solution?Pb(NO3)2(aq
Alexxx [7]

Answer:

16.89g of PbBr2

Explanation:

First, let us calculate the number of mole of Pb(NO3)2. This is illustrated below:

Molarity of Pb(NO3)2 = 0.595M

Volume = 77mL = 77/1000 = 0.077L

Mole =?

Molarity = mole/Volume

Mole = Molarity x Volume

Mole of Pb(NO3)2 = 0.595x0.077

Mole of Pb(NO3)2 = 0.046mol

Convert 0.046mol of Pb(NO3)2 to grams as shown below:

Molar Mass of Pb(NO3)2 =

207 + 2[ 14 + (16x3)]

= 207 + 2[14 + 48]

= 207 + 2[62] = 207 +124 = 331g/mol

Mass of Pb(NO3)2 = number of mole x molar Mass = 0.046 x 331 = 15.23g

Molar Mass of PbBr2 = 207 + (2x80) = 207 + 160 = 367g/mol

Equation for the reaction is given below:

Pb(NO3)2 + CuBr2 —> PbBr2 + Cu(NO3)2

From the equation above,

331g of Pb(NO3)2 precipitated 367g of PbBr2

Therefore, 15.23g of Pb(NO3)2 will precipitate = (15.23x367)/331 = 16.89g of PbBr2

8 0
3 years ago
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