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lisabon 2012 [21]
3 years ago
6

Based on physical properties, which of these substances is an ionic compound? Explain your reasoning.

Chemistry
1 answer:
Bas_tet [7]3 years ago
4 0

Answer:

ExplanBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking SodaBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking SodaBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking SodaBased on physical properties, which of these substances is an ionic compound? Explain your reasoning.

A. Hair Gel

B. Silver Breacelet

C. Motor Oil

D. Baking Sodaation:

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Answer:

chlorophyll is a chemical found in a chloroplast

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the half life for strontium-90 is 29 years. how many half-lives did the sample go through at the end of 87 year​
Nesterboy [21]
90 divided by 29 x 87 = 290
4 0
2 years ago
Read 2 more answers
Which of the following molecules would exhibit only London forces?a)CH4, BH3, and CCl4b)H2O, NH3, and CCl4c)PH3, NH3, and CCl4
Alex787 [66]

Answer:

a)CH₄, BH₃, and CCl₄

Explanation:

<u>London dispersion forces:- </u>

The bond for example, in the molecule is F-F, which is non-polar in nature because the two fluorine atoms have same electronegativity values.

The intermolecular force acting in the molecule are induced dipole-dipole forces or London Dispersion forces / van der Waals forces which are the weakest intermolecular force.

Out of the given options, H₂O , NH₃ exhibits hydrogen bonding which is:-

<u>Hydrogen bonding:- </u>

Hydrogen bonding is a special type of the dipole-dipole interaction and it occurs between hydrogen atom that is bonded to highly electronegative atom which is either fluorine, oxygen or nitrogen atom.

Thus option B and C rules out.

<u>Hence, the correct option which represents the molecules which would exhibit only London forces is:- a)CH₄, BH₃, and CCl₄</u>

4 0
3 years ago
Thea dissolves 0.33 mole of glucose into 450 mL of water. What is the concentration of the solution?
Fofino [41]

Answer:

0.73M

Explanation:

4 0
3 years ago
Which of the following equations can be used to determine the change in enthalpy of a system? A. `DeltaH_"reaction"=DeltaH_"prod
Nostrana [21]

<u>Answer:</u> The correct answer is Option D.

<u>Explanation:</u>

Enthalpy change is defined as the difference in enthalpies of all the product and the reactants each multiplied with their respective number of moles. It is represented as \Delta H^o

The equation used to calculate enthalpy change is of a reaction is:  

\Delta H^o_{rxn}=\sum [n\times \Delta H^o_f_{(product)}]-\sum [n\times \Delta H^o_f_{(reactant)}]

Hence, the correct answer is Option D.

6 0
3 years ago
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