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Semmy [17]
3 years ago
15

The boiling point is the temperature at which (2 points) Select one: a. A solid becomes a liquid b. A liquid becomes a gas c. A

gas becomes a solid d. A solid becomes a gas
Chemistry
1 answer:
Anit [1.1K]3 years ago
7 0
The answer is B..............
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State the basicity of this acid HCOOH​
Katena32 [7]

Answer:

The basicity of HCOOH (otherwise known as formic acid) is 1

Explanation:

5 0
3 years ago
PLEASE ANSWER ASAP! DOUBLE CHECK THE ANSWER!
hammer [34]
I believe the answer would be C, unbalanced.
Since the forces are in opposite directions, and aren't the same size, the answer would be unbalanced.
7 0
3 years ago
1(a). What is the solubility of calcium chloride (CaCl2) at 5°C?
In-s [12.5K]

Answer:

60 g/100 g water  

Explanation:

Find 5 °C on the horizontal axis.

Draw a line vertically from that point until you reach the solubility curve for CaCl₂.  

Then draw a horizontal line from there to the vertical axis.

The solubility of CaCl₂ is 60 g/100 g water.

7 0
3 years ago
5. What is the density of water in g/mL? Why?​
goldfiish [28.3K]

Answer:

1g/ml @ 4 degrees C by definition

Explanation:

7 0
3 years ago
A child has a toy balloon with a volume of 1.80 L. The temperature of the balloon when it was filled was 293 K at a pressure of
Mekhanik [1.2K]

Answer:

2.42L

Explanation:

Given parameters:

V₁  = 1.8L

T₁ = 293K

P₁  = 101.3kPa

P₂ = 67.6kPa

T₂  = 263K

Unknown:

V₂ = ?

Solution:

To solve this problem, we are going to use the combined gas law to find the final volume of the gas. The combined gas law expression combines the equation of Boyle's law, Charles's law and Avogadro's law;

               \frac{P_{1} V_{1} }{T_{1} }   = \frac{P_{2} V_{2} }{T_{2} }

All the units are in the appropriate form. We just substitute and solve for the unknown;

         101.3 x 1.8 / 293    =     67.6 x V₂  /  263

          V₂   = 2.42L

7 0
3 years ago
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