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Liula [17]
3 years ago
15

In an experiment, 135.2 grams of a mystery metal is heated to 100.0*C. The metal is then dumped into a calorimeter with 59.0 gra

ms of water at 26.0*C. The temperature of the water in the calorimeter increases to 35.0*C after the metal is dumped into it. What is the specific heat capacity of the metal? Express your answer to 2 past the decimal. Do NOT include units
Chemistry
1 answer:
Rufina [12.5K]3 years ago
4 0
The answer wound be 23 units I think
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How many independent variables are allowed in an experiment
Dmitriy789 [7]

one independent variable

8 0
3 years ago
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How well does particle theory explain the properties of solids liquids and gases?
skad [1K]

Answer:

The kinetic particle theory explains the properties of the different states of matter. The particles in solids, liquids and gases have different amounts of energy. They are arranged differently and move in different ways.

Explanation:

Hope it helps you

5 0
2 years ago
A compound is found to have a molar mass of 598 g/mol. if 35.8 mg of the compound is dissolved in enough water to make 175 ml of
TiliK225 [7]
The computation for molarity is: 
(x) (0.175 L) = 0.0358 g / 598 g/mol 
x = 0.000342093 M 
Whereas the osmotic pressure calculation: 
pi = iMRT 
pi = (1) (0.000342093 mol/L) (0.08206 L atm / mol K) (298 K) 
pi = 0.0083655 atm 
Converting the answer to torr, will give us:
0.0083655 atm times (760 torr/atm) = 6.35778 torr 
which rounds off to 6.36 torr
7 0
3 years ago
What is the molarity of a solution that contains 0.4mol KCl in 3.5L of solution?
OLga [1]

Answer:

0.1143M

Explanation:

if one 0.4moles=3.5l what about 1litre

3 0
3 years ago
Calculate the molarity of a solution prepared by dissolving 6.87 grams of AgNO3 in enough water to make 2.50 liters of solution.
beks73 [17]

Answer:

The molarity of the solution is 0.016 \frac{moles}{L}

Explanation:

Molar concentration is a measure of the concentration of a solute in a solution.

Molarity (M) or Molar Concentration is the number of moles of solute that are dissolved in a certain volume.

Molarity is determined by dividing the moles of the solute by the volume of the solution:

Molarity=\frac{number of moles of solute}{volume}

Molarity is expressed in units \frac{moles}{liter}.

Being 169.87 g / mole the molar mass of AgNO₃, then you can apply the following rule of three: if 169.87 grams are contained in 1 mole, 6.87 grams are contained in how many moles?

amount of moles=\frac{6.87  grams*1 mole}{169.87  grams}

amount of moles= 0.04 moles

Then:

  • number of moles of solute: 0.04 moles
  • volume: 2.50 L

Replacing:

Molarity=\frac{0.04 moles}{2.50 L}

Solving:

Molarity= 0.016 \frac{moles}{L}

<u><em>The molarity of the solution is 0.016 </em></u>\frac{moles}{L}<u><em></em></u>

4 0
3 years ago
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