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4 years ago

4. How does the water vapor change as altitude increases?

Chemistry

1 answer:

Karolina [17]4 years ago

4 0

Answer:

it drifts through the atmosphere and the vapor absorbs heat then the warm air rises up therefore leaving the planet's surface and releasing the heat back into the upper part of the atmosphere

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Andrea and the other members of the tennis team are practicing hitting tennis balls. If two people hit identical balls at the sa

almond37 [142]

Answer:

Explanation:

The formula for calculating kinetic energy is 1/2mv^2, where m is the mass and v is the velocity or speed of the object. Since all of the balls have the same mass, the one with the highest speed or velocity will have the highest kinetic energy. Hope this helps!

8 0

3 years ago

I only need help in the bottom section? Please someone help me please?

kherson [118]

Energy in the nucleus of an atom of uranium: Nuclear energy
Energy of a moving object: Kinetic Energy
Energy stored in chemical bonds: Potential Energy
Energy emitted from light bulb: Radiant Energy
Energy in a battery: Stored Energy
Energy in our food: Chemical Energy
Energy emitted from a radio: Electromagnetic Energy
Energy affected by mass and speed: Kinetic Energy
Energy affected by position and condition: Potential Energy
Energy from our star that some homes use for electricity: Radiant Energy
I hope this was found helpful!
I was happy to assist you with your Homework :)

4 0

4 years ago

Read 2 more answers

What is the molar solubility of calcium carbonate ( CaCO3 ) in water? The solubility-product constant for CaCO3 is 4.5 × 10-9 at

Anastasy [175]

Answer:

Option E)

$6.7\times 10^{-5}M$

Explanation:

1. Write the solubility equation:

CaCO₃(s) ⇄ Ca²⁺(aq) + CO₃²⁻

2. Write the concentrations below the equation:

CaCO₃(s) ⇄ Ca²⁺(aq) + CO₃²⁻

A - s s s

3. Write the Ksp equation:

Ksp = [Ca²⁺] . [CO₃²⁻] ↔ the solid substances do not appear

Ksp = s × s

4.5 × 10⁻⁹ = s²

4. Solve the equation:

$s=\sqrt{4.5\times 10^{-9}M^2}=6.7\times 10^{-5}M$

8 0

3 years ago

Write a balanced half-reaction describing the reduction of gaseous dioxygen to aqueous oxide anions.

maksim [4K]

Answer: The balanced half reaction is written below.

Explanation:

Reduction reaction is defined as the chemical reaction in which an atom gains electrons. The oxidation number of the atom gets reduced during this reaction.

$X^{n+}+ne^-\rightarrow X$

When oxygen gas is reduced to oxide ions, the number of electron transferred are 2

The chemical equation for the reduction of oxygen gas to oxide ions follows:

$O_2+2e^-\rightarrow 2O^{2-}$

Hence, the balanced half reaction is written above.

8 0

3 years ago

Part A List the substances NaCl, Cl2, CH3Cl, and CH3COOH in order of increasing strength of intermolecular attractions. List the

Thepotemich [5.8K]

Answer:

Cl₂ < CH₃Cl < CH₃COOH < NaCl

Explanation:

Part A. List the substances NaCl, Cl₂, CH₃Cl, and CH₃COOH in order of increasing strength of intermolecular attractions.

NaCl. Na⁺ is bonded to Cl⁻ through a ionic bonding. In the crystalline reticle, unit formulas attract each other through ion-ion forces, which are the strongest type of forces.

Acetic acid (CH₃COOH) has H atoms bonded to more electronegative O atoms. This leads to the formation of hydrogen bondings, which constitute an especially strong case of dipole-dipole forces.

Chloromethane (CH₃Cl) is a polar molecule due to the asymmetrical distribution of charge density. The resulting intermolecular attractions are dipole-dipole forces.

Cl₂ is nonpolar and it has the weakest type of intermolecular attractions, dispersion forces.

The order of increasing strength is Cl₂ < CH₃Cl < CH₃COOH < NaCl

7 0

3 years ago