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3 years ago

Does a reaction occur when aqueous solutions of copper(II) sulfate and lead(II) nitrate are combined?

Chemistry

1 answer:

Dafna11 [192]3 years ago

6 0

In my opinion yes but thats me

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HELP!! BRAINLIEST 50 POINTS

zhenek [66]

Answer:

The given equation obey the law of conservation of mass.

Explanation:

Chemical equation:

2LiOH + CO₂ → Li₂CO₃ + H₂O

There are equal number of atoms of oxygen, hydrogen and lithium on both side of equation so it obey the law of conservation of mass.

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

2LiOH + CO₂ → Li₂CO₃ + H₂O

2(6.941 + 16 + 1) + 12+32 6.941×2 + 12 + 3×16 + 18

47.882 + 44 13.882 +12+48 + 18

91.882 g 91.882 g

The mass of reactants and product are equal.

6 0

3 years ago

What is the formula for an alkene containing six carbon atoms?

Charra [1.4K]

Answer:

Explanation:

Cyclohexane is a cycloalkane with the molecular formula C₆H₁₂. Cyclohexane is non-polar.

3 0

3 years ago

To indicate the pH of a substance, one can use a dye that is both an acid and that appears as different colors in its protonated

PIT_PIT [208]

Answer:

<em>The pH of the solution is 7.8</em>

Explanation:

The concentration of the solution is 0.001M and the dye could be in its protonated and deprotonated forms. If the concentration of the protonated form [HA] is 0.0002 M the concentration of the deprotonated form will be the subtraction between the concentration of the bye and the concentration of the protonated form:

[A-] = 0.001M - 0.0002M = 0.0008M

Also, the Henderson-Hasselbalch equation is

$pH = pKa + Log \frac{[A^{-}]}{[HA]}$

this equation shows the dependency between the pH of the solution, the pKa and the concentration of the protonated and deprotonated forms. Thus, replacing in the equation

$pH = 7.2 + Log \frac{0.0008M}{0.0002M} = 7.8$

3 0

3 years ago

Does a substance that heats up quickly have a high or a low specific heat capacity

Oliga [24]

A low specific heat capacity

4 0

3 years ago

6. Three ice cubes are placed inside a glass of hot chocolate. Which of the following best

ycow [4]

It’s the first 1 M yea it’s the first one

4 0

3 years ago