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Stells [14]
3 years ago
12

How much heat must be transferred to 3500 g of liquid water to change the

Chemistry
1 answer:
dem82 [27]3 years ago
6 0

Answer:

aaa

Explanation:

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At 100 degrees celsius, the vapor pressures for water, methanol, and ethanol are 760, 2625, and 1694 torr, respectively. which c
Lostsunrise [7]

Answer;

Water has the highest normal boiling point and methanol on the other hand has the lowest boiling point.

Explanation;

-The normal boiling point is the temperature in which the vapor pressure of a liquid becomes equal to atmospheric pressure.If the inter-molecular forces are small, the liquid has a high vapor pressure. Little heat energy will have to be added to separate the molecules, so the boiling point will be low.

-Boiling points and equilibrium vapor pressure are inversely proportional, because less heat is required to raise vapor pressure to reach atmospheric pressure.

-Therefore, since water has the lowest vapor pressure, water it has the highest boiling point and since methanol has the highest vapor pressure it has the lowest boiling point.

4 0
3 years ago
Which of the following is an example of a Lewis base?
spin [16.1K]

Answer:

c. NH3

Explanation:

6 0
3 years ago
The initial concentration of reactants in a first order reaction is 0.27 M. The rate constant for the reactio is 0.75 s^-1. What
lawyer [7]

Answer:

Final concentration = 0.019 M

Explanation:

Initial Concentration [A]o = 0.27M

Rate constant, k = 0.75 s^-1

Final concentration [A] = ?

Time, t = 1.5s

The relationship between the variables is given by the equation;

ln[A] = ln[A]o - kt

ln[A] = ln(0.27) - (0.75)(1.5)

ln[A] = - 1.309 - 1.125

ln[A] = - 2.434

[A] = 0.019 M

8 0
3 years ago
What is the molarity of 2.50 mol in a 1000 ml solution? *
VARVARA [1.3K]

Answer:

450na

Explanation:

from that solution

4 0
3 years ago
PLS HELP ASAP!!!!! IM TIMED!!!!!
Rainbow [258]

1. compound

 2. element  

   3. element

4. compound  

5. compound

6. element

7. compound

     8 element

                                                                                                                   

3 0
3 years ago
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