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sergiy2304 [10]
1 year ago
15

What is the equilibrium constant of a reaction?

Chemistry
1 answer:
miskamm [114]1 year ago
5 0

Answer:

C. It is the ratio of the concentrations of products to the

concentrations of reactants.

Explanation:

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An electrolyte can be checked to ensure that it has correct chemical composition by measuring its _____.
UNO [17]

Answer:

specific gravity

Explanation:

3 0
2 years ago
What mass of Al contains the same number of atoms as 33.5g of Au
wel
Stoich questions...

1) convert the grams of Au to moles
(33.5g)/(196.7g/mol)=___x___

2)find how many atoms are in that many moles by multiplying it by avogadro's number.

x(moles of Au)*(6.02*10^23)=?

3)now that you have found the number of atoms of gold, convert it to grams of aluminum by multiplying it by Avogadro's number and multiplying it by the atomic mass of aluminum.
( ? )(6.02*10^23)(26.98g/mol)= (mass of Al)

5 0
3 years ago
1. Separation of amino acids by ion-exchange Chromatography. Mixtures of amino acids can be analyzed by first separating the mix
mart [117]

a.) Asp and Lys

Asp will elute first from the column because it has less positively charged functional groups than Lys.

 

b.) Arg and Met

Met will elute first from the column because it has less positively charged functional groups than Lys.

c.) Glu and Val

Glu will elute first from the column because it has more negativity functional groups than Lys and will be not be much retained by the -SO₃⁻ groups from the ion-exchange coloumn.

d.) Gly and Val

 Gly will elute first from the column because Lys have a longer alkyl chain which will be attracted by the strongly hydrophobic backbone for the resin.

e.) Ser and Ala

Ser will be eluted first from the column because Ala alkyl chain will be more attracted by the strongly hydrophobic backbone for the resin. Ser have an -OH group which will decrease the hydrophobicity of the alkyl chain and will not be so much retained on the column.

7 0
3 years ago
Type the correct answer in the box. Express the answer to two significant figures.
meriva

Delta enthalpy = 2x386-3x1x432-3x942=-3350kJ/mol

8 0
3 years ago
Read 2 more answers
"An increase in the price of gasoline will increase the demand for hybrid vehicles." This statement is an example of a positive
-Dominant- [34]

Answer:

True

Explanation:

This is because the statement above fits the definition of a positive economic statement. A Positive economic statement refers to objective statements that can be verified, tested , amended or discarded by consulting available evidence .The statement above can be tested objectively to establish its veracity.

3 0
3 years ago
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