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LenaWriter [7]
2 years ago
15

As NaOH is added to an aqueous solution, the pH will 1. decrease. 2. Not enough information is given to solve the problem. 3. be

unaffected because NaOH is not an acid. 4. increase or decrease depending on whether the initial pH is higher or lower than 7. 5. increase
Chemistry
1 answer:
Dominik [7]2 years ago
4 0
PH increases when you add NaOH because it’s a strong base.
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Semimetals is a term which refers to
SCORPION-xisa [38]
I guess you could call them that. In chemistry, we call them Metalloids though.
5 0
2 years ago
The mass of a solid substance is 21.112 g. If the volume of the solid substance is 19.5 cm3, calculate the density of the substa
Ostrovityanka [42]

Answer:

ρ = 1.08 g/cm³

Explanation:

Step 1: Given data

Mass of the substance (m): 21.112 g

Volume of the substance (V): 19.5 cm³

Step 2: Calculate the density of the substance

The density (ρ) of a substance is equal to its mass divided by its volume.

ρ = m / V

ρ = 21.112 g / 19.5 cm³

ρ = 1.08 g/cm³

The density of the substance is 1.08 g/cm³.

6 0
3 years ago
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Bases produce hydroxide ions, while acids produce hydrogen ions. 

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4 0
2 years ago
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Goshia [24]

Answer:

The answer is: phospholipid molecules

Explanation:

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The amphipathic phospholipid molecules have a hydrophilic phosphate head on the exterior and a hydrophobic tail consisting of fatty acid chain on the interior of the membrane.

8 0
2 years ago
an unknown volume of gas has a pressure of 0.50 atm and temperature of 325k. if the pressure is raised to 1.2atm and the tempera
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117 L. You can start by making a table to organize the information you are given. Then, you can use the formula PV/T=PV/T and plug in the numbers you have. You then solve for the missing volume. Remember that the initial pressure, temperature, and volume should be on one side of the equal sign, and the final pressure, volume, and temperature should be on the other side.

6 0
3 years ago
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