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3 years ago

12. Wet clothes dry in sun due to

Chemistry

2 answers:

Luden [163]3 years ago

6 0

The heat from the sun

Maurinko [17]3 years ago

3 0

Answer: Wet clothes dry in the sun due to evaporation. This is because heat energy from the sun is taken by water in wet clothes and it gets evaporated. This process is evaporation.

Explanation:

BRAINLIEST PLSSS

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Mention the four characterstics of warm blooded animals.<br>

Igoryamba

Answer:

The four characrteristics of warm blooded animals are÷

Explanation:

i=They can keep its body temperature the same no matter what the outside temperature .

ii=They can maintain a constant body temperature.

iii=They obtain energy from food consumption.

iv=They maintain their body temperature higher than environment.

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3 years ago

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Isotonic compound have high melting point. Why ? Name the ions present in CaS.

yuradex [85]

Explanation:

Because a large amount of energy is required to break the strong inter-ionic attraction.

CaS => Ca2+ & S2-

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3 years ago

You are given a solution of HCOOH (formic acid) with an approximate concentration of 0.20 M and you will titrate this with a 0.1

jeka57 [31]

Answer:

$\boxed{\text{36 mL}}$

Explanation:

1. Write the balanced chemical equation.

$\rm HCOOH + NaOH $ \longrightarrow$ HCOONa + H$_{2}$O$

2. Calculate the moles of HCOOH

$\text{Moles of HCOOH} =\text{20.00 mL HCOOH } \times \dfrac{\text{0.20 mmol HCOOHl}}{\text{1 mL HCOOH}} = \text{4.00 mmol HCOOH}$

3. Calculate the moles of NaOH.

$\text{Moles of NaOH = 4.00 mmol HCOOH } \times \dfrac{\text{1 mmol NaOH} }{\text{1 mmol HCOOH}} = \text{4.00 mmol NaOH}$

4. Calculate the volume of NaOH

$c = \text{4.00 mmol NaOH } \times \dfrac{\text{1 mL NaOH }}{\text{0.1105 mmol NaOH }} = \textbf{36 mL NaOH }\\\\\text{The titration will require }\boxed{\textbf{36 mL of NaOH}}$

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3 years ago

Which of the following compounds would be primarily ionic? Methane CH4 , Ammonia NH3, Calcium Chloride CaCL2 or Carbon dioxide,

vagabundo [1.1K]

Definitely Calcium Chloride.
All the others are covalent.

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3 years ago

Which has the highest rate of effusion oxygen or hydrogen

Alexeev081 [22]

Answer:

Hydrogen has the highest rate of effusion

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3 years ago