<span>surface tension of water compare with the surface tensions of most other liquids is higher because hydrogen bonding between water molecules is strong
3)</span>The bonds between adjacent water molecules are called<span> hydrogen </span>bonds<span>. The strength of a single hydrogen </span>bond<span> is only 5 percent that of a covalent </span>bond<span>;
2)</span><span>tetrahedral </span>
Answer is (3) - Pb²⁺.
<em>Explanation;</em>
Among the given choices PbCl₂ is insoluble in water. But it can be soluble in hot water. It appears as white precipitate. The Ksp of PbCl₂ is very small. That's why it is insoluble in water.
Fe²⁺ + 2Cl⁻ → FeCl₂ (soluble in water. Forms pale green color solution)
Mg²⁺ + 2Cl⁻ → MgCl₂ (soluble in water. Forms clear colorless solution)
Pb²⁺ + 2Cl⁻ → PbCl₂ (poorly soluble in water. Forms white precipitation)
Zn²⁺ + 2Cl⁻ → ZnCl₂ (soluble in water. Forms clear colorless solution)
Answer:
The answer to your question is: number 2 is correct.
Explanation:
Formula
F = m x a
The formula shows that acceleration and mass and inversely proportional, then if the mass increases 3 times, then the acceleration must diminishes 3 times.
1. The object will accelerate the same amount as before because the mass does not affect the object’s acceleration.
This option is incorrect, the acceleration must diminish.
2. The object will accelerate 1/3 as much because if you apply the same net force but increase the mass, the acceleration will decrease. This option is correct, is what i describe above.
3. The object will not accelerate because now it is too heavy.
this option is wrong, because the object will accelerate.
4. The object will accelerate 3 times as much because if you apply the same net force and increase the mass, the acceleration will increase. This option s incorrect, the acceleration will diminish not increase.
Answer:
If the frequency increases, then the wavelength will be shorter, because there are more waves closer together. How does changing the amplitude affect wavelength? Amplitude does not affect wavelength. ... A wave with more energy has a higher up crest/ higher amplitude.
Explanation:
<u>Answer:</u> The molarity of solution is 0.954 M
<u>Explanation:</u>
We are given:
5.098 mass % solution of potassium hydroxide
This means that 5.098 grams of potassium hydroxide is present in 100 grams of solution
To calculate volume of a substance, we use the equation:
Density of solution = 1.05 g/mL
Mass of solution = 100 g
Putting values in above equation, we get:
To calculate the molarity of solution, we use the equation:
Given mass of potassium hydroxide = 5.098 g
Molar mass of potassium hydroxide = 56.1 g/mol
Volume of solution = 95.24 mL
Putting values in above equation, we get:
Hence, the molarity of solution is 0.954 M