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OLEGan [10]
3 years ago
9

Even the demand for a necessity such as gasoline will respond to a change in price, especially over a longer time horizon. a. TR

UE b. FALSE
Chemistry
1 answer:
Aleks [24]3 years ago
5 0

Answer:

True

Explanation:

The demand and supply of goods and services especially those that are necessities will be influenced by a slight change in price. This is due to the effects of elasticity of demand and supply. Therefore, for the given example (i.e. gasoline), if there is a price change over a considerable period of time, the demand for gasoline will change.

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List the following aqueous solutions in order of increasing boiling point: 0.12 m C6H12O6, 0.05 m LiBr, and 0.05 m Zn(NO3)2. Exp
GalinKa [24]

<u>Answer:</u> The order of increasing boiling points follows:

\text{LiBr }

<u>Explanation:</u>

The expression of elevation in boiling point is given as:

\Delta T_b=i\times k_b\times m

where,

\Delta T_b = Elevation in boiling point

i = Van't Hoff factor  

T_b = change in boiling point

k_b = boiling point constant

m = molality

For the given options:

  • <u>Option 1:</u>  0.12 m C_6H_{12}O_6

Value of i = 1   (for non-electrolytes)

So, molal concentration will be = (0.12)\times 1=0.12m

  • <u>Option 2:</u>  0.02 m LiBr

Value of i = 2

So, molal concentration will be = (0.02)\times 2=0.04m

  • <u>Option 3:</u>  0.05 m Zn(NO_3)_2

Value of i = 3

So, molal concentration will be = (0.05)\times 3=0.15m

As, the molal concentration of Zn(NO_3)_2 is the highest, so its boiling point will be the highest.

Hence, the order of increasing boiling points follows:

\text{LiBr }

8 0
3 years ago
¿Aproximadamente para que año Aristóteles mencionó la teoría de los 4 elementos?
Tema [17]

Answer: 450 BC

Explanation:

3 0
4 years ago
What are the hypotheses on which Dalton's atomic theory is based?
worty [1.4K]

Answer:

 Dalton's theory are based on the two laws  that are: Law of conservation of mass and law of constant composition. This theory basically described their properties of atoms.

This theory state that all the atoms are made up of matter which are invisible and in the elements all the atoms are identical in mass and properties.

3 0
4 years ago
State the change in energy that occurs in order to break the bonds in the hydrogen molecules, H2(g) so it can react with O2(g) t
Gemiola [76]

Answer:

Explanation:

Energy is absorbed to break bonds. Bond-breaking is an endothermic process. Energy is released when new bonds form. Bond-making is an exothermic process.

BRAINLY PLZ

8 0
3 years ago
Two different substances of the same mass will have the same specific heat capacity. True or false?
Natalija [7]
The answer to your question is true.
7 0
4 years ago
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