The value of kb of cyclohexane in the given question is; kb = 2.82 °C/m
<h3>Understanding Molality of a Solution</h3>
Molality of solution = (Number of moles of C₆H₄Cl₂)/(Mass of Cyclohexane)
Now;
Number of moles of C₆H₄Cl₂ = Mass/molar mass = 2g/147 g/mol
Number of moles of C₆H₄Cl₂ = 0.0136 mol
Molality of solution = 0.0136/(22.5 * 10⁻³ kg)
Molality of solution = 0.6 m
Now, to find kb for cyclohexane, we will use the formula;
T_b(solution) - T_b(solvent) = kb × molality of solution
Thus;
82.39 - 70 = kb * 0.6
kb = (82.39 - 70)/0.6
kb = 2.82 °C/m
Read more about Molality of Solution at; brainly.com/question/10278982
Answer:
the Earth is tilted on its axis
the Earth is a sphere
different materials on Earth's surface absorb heat at different rates
Explanation:
The heating and cooling rates of land and water differ. This effects the heating of the earth according to these substances. Since the planet Earth is spherical in shape, the equator heats up more as compared to that of the polar regions. The differences in the seasons is because of the axis on which the Earth is tilted. Because of rotation, the heating and cooling of the Earth's surface differ. These are the reasons that are the reason for the uneven heating of the sun.
According to the context and following the model, using the possessive form the sentences are written as follows:
- El carro tuyo es azul/ El carro mío es rojo.
- El televisor nuestro es pequeño/ El televisor de ustedes es grande.
- La impresora mía es rápida/ La impresora de ella es lenta.
- La computadora suya es vieja/ La computadora tuya es nueva.
- Los teléfonos suyos son caros/ Los teléfonos nuestros son baratos.
<em>Translation:</em>
- Your car is blue/My car is red.
- Our TV is small / Your TV is big.
- My printer is fast/ Her printer is slow.
- His computer is old/ Your computer is new.
- Their phones are expensive/ Our phones are cheap.
<h3>What is the possessive form?</h3>
It is the one that expresses possession or belonging and there are two types, on the one hand the possessive determiners that are placed before the noun and on the other hand the possessive pronouns that are placed after the noun.
Its main function is morphematic: they express the category of person and number, modifying a noun and imprinting a sense of belonging to something or someone.
Therefore, we can conclude that possessives are related to personal pronouns, since they indicate which person owns something or someone.
Learn more about possessive form here: brainly.com/question/21921875
Answer:
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Explanation:
