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adelina 88 [10]
4 years ago
7

Assuming 100% dissociation, calculate the freezing point and boiling point (in °C) of a solution with 83.6 g of AgNO 3 in 1.00 k

g of water.
Chemistry
1 answer:
Thepotemich [5.8K]4 years ago
3 0

Answer:

  • <u>Freezing point: - 1.83ºC</u>
  • <u>Boiling point: 100.50ºC</u>

Explanation:

The <em>freezing point</em> and<em> boiling point</em> of solvents, when a solute is added, will change accordingly to the concentration of the solute particles.

The freezing point will decrease and the boiling point will increase. These are two colligative properties.

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<u>Find attached the file with the whole answer, as the site is not uploading the answer in here.</u>

Download pdf
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What is the mass of 3.2 moles of h2O ?
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Answer:

\boxed{\text{57.7 g} }

Explanation:

The first step is to calculate the molar mass of H₂O:

\begin{array}{rcr}\text{2 H} & = & 2.02\\\text{1 O} & = & 16.00\\\text{TOTAL} & = & \mathbf{18.02}\\\end{array}

So, 1 mol has a mass of 18.02 g.

Next you calculate the mass of 3.2 mol of H₂O

\begin{array}{rcl}m & = & \text{3.2 mol H$_{2}$O} \times \dfrac{\text{18.02 g H$_{2}$O}}{\text{1 mol H$_{2}$O}}\\ & = &\boxed{\textbf{57.7 g H$_{2}$O}} \\\end{array}

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3 years ago
Alan runs at a speed of 250 m/min. how far does he run for in 5 minutes
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Alan runs 1250 m/min in five minutes

Explanation:

250 x 5

6 0
4 years ago
Calculate the amount of ATP in kg that is turned over by a resting human every 24 hours. Assume that a typical human contains ~5
valentinak56 [21]

Answer:

The correct answer is 66.35 kilograms.

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The mass of ATP can be calculated by using the formula,  

moles = mass/molecular mass

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Now by putting the values we get,  

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= Total production of ATP + Total ATP available

= 66.298 kg + 0.05 kg

= 66.348 kg

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