3 years ago

Convert 55 miles/ hour to feet/ second

Chemistry

1 answer:

mafiozo [28]3 years ago

3 0

Answer:

80.685 feet/second

Explanation:

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What is the ph value of the produced solution when hcl reacts with naoh ?

algol13

Answer:

The answer to your question is: 7

Explanation:

The reaction between HCl and NaOH is a neutralization reaction, that means that the products will be water and a salt and the pH will be 7.

HCl + NaOH ⇒ NaCl + H₂O

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3 years ago

Which action most likely causes large rocks to become smaller pieces of rock?

algol13

Answer:B

Explanation:

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Que es la electronegatividad

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Answer:

Es la capacidad, el poder de un átomo en una molécula para atraer a los electrones hacia sí.

Explanation:

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3 years ago

A 1.450 g sample of an unknown organic compound , X, is dissolved in 15.0 g of toluene

muminat

Answer:

Molecular weight of the compound = 372.13 g/mol

Explanation:

Depression in freezing point is related with molality of the solution as:

$\Delta T_f = K_f \times m$

Where,

$\Delta T_f$ = Depression in freezing point

$K_f$ = Molal depression constant

m = Molality

$\Delta T_f = K_f \times m$

$1.33 = 5.12 \times m$

m = 0.26

Molality = $\frac{Moles\ of\ solute}{Mass\ of\ solvent\ in\ kg}$

Mass of solvent (toluene) = 15.0 g = 0.015 kg

$0.26 = \frac{Mole\ of\ compound}{0.015}$

Moles of compound = 0.015 × 0.26 = 0.00389 mol

$Mol = \frac{Mass\ in\ g}{Molecular\ weight}$

Mass of the compound = 1.450 g

$Molecular\ weight = \frac{Mass\ in\ g}{Moles}$

Molecular weight = $\frac{1.450}{0.00389} = 372.13\ g/mol$

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3 years ago

How many atoms of carbon or one mole of glucose

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Answer:

6 carbon atoms

Explanation:

For instance, we can say that one molecule of glucose has 6 carbon atoms, or we can say, equivalently, that one mole of glucose has 6 moles of carbon atoms

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3 years ago