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4 years ago

What does the chemical formula C3H2O, tell about a molecule of the compound it represents?

Chemistry

2 answers:

Korvikt [17]4 years ago

5 0

Answer:

It tells the chemical formula

Explanation:

slamgirl [31]4 years ago

4 0

Chemical formulas are used to describe the types of atoms and their numbers in an element or compound. The atoms of each element are represented by one or two different letters. When more than one atom of a specific element is found in a molecule, a subscript is used to indicate this in the chemical formula.

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Which of the following methods could be used to separate a solution?

diamong [38]

The answer is filtering.

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3 years ago

Read 2 more answers

For the reversible reactionA(g)↽−−⇀B(g)A(g)↽−−⇀B(g)which K values would indicate that there is more B than A at equilibrium?a. K

pogonyaev

Answer : The correct options are, (a) and (d)

Explanation :

The given reversible reaction is:

$A(g)\rightleftharpoons B(g)$

Equilibrium constant : It is defined as the equilibrium constant. It is defined as the ratio of concentration of products to the concentration of reactants.

The equilibrium constant expression for the given reaction will be:

$K=\frac{[B]}{[A]}$

As per question, when the value of equilibrium constant is greater than 1 then concentration of B is greater than concentration of A at equilibrium.

In the given options, option (a) and option (d) K values would indicate that there is more B than A at equilibrium because value of equilibrium constant is greater than 1.

Hence, the correct options are, (a) and (d)

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3 years ago

Vanillin (used to flavor vanilla ice cream and other foods) is the substance whose aroma the human nose detects in the smallest

dolphi86 [110]

Answer:

$\boxed{\text{\$0.07}}$

Explanation:

1. Convert cubic feet to litres

$V =5.47 \times 10^{7} \text{ ft}^{3} \times \dfrac{\text{28.32 L}}{\text{1 ft}^{3}} = 1.549 \times 10^{9}\text{ L}$

2. Calculate the mass of vanillin

$m = 1.549 \times 10^{9}\text{ L} \times \dfrac{2.0 \times 10^{-11}\text{ g}}{\text{1 L}} = \text{0.030 98 g}$

3. Calculate the cost of the vanillin

$\text{Cost} = \text{0.03098 g} \times \dfrac{\textbf{\$115 }}{\text{50.0 g}} = \text{\$0.07}\\\text{The cost of the vanillin is $\boxed{\textbf{\$0.07}}$}$

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3 years ago

What quantity of 18.68 M KOH solution is needed to neutralize 0.2841 grams of KHP ? What is the concentration of the KOH solutio

Aleks [24]

KHP stands for potassium hydrogen phthalate which is the monopotassium salt of phthalic acid.

KHP dissociates completely in water to form K(+) + HP(-); and HP(-).

HP(-) dissolves as per HP(-) + H2O ⇄ P(2-) + H3O(+).

That means that KHP the neutralization ratio of KOH and KPH is 1:1.

So, 1 mole of KOH neutralizes 1 mol of KPH.

Calculate the moles of KPH in 0.2841 grams.

You need the molar mass of KPH. Its molecular formula is C8H5KO4 and its molar mass is 204.22 g/mol

= n = 0.2841 g / 204.22 g/mol = 0.00139 moles of KPH.

Now, calculate the volumen of 18.68 M KOH solution that contains that number of moles:

M = n / V => V = n / M = 0.00139 moles / 18.68 M = 0.0000744 l = 0.0744 ml.

The concentration of the KOH solution is given in the statement: 18.68 M.

That is a weird value for the concentration so may be your question has some mistake.

Answer: 0.0744 ml

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4 years ago

The diagram shows an artery from somebody suffering with a disease that effects the

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Coronary heart disease

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3 years ago

What does the chemical formula C3H2O, tell about a molecule of the compound it represents?​

What does the chemical formula C3H2O, tell about a molecule of the compound it represents?