You place ice cubes into a glass of lemonade what happens to make the lemonade to get cold

Answers

Answer 1

Answer:

When we place ice cubes into a glass of lemonade then transfer of thermal energy from lemon water to ice cubes takes place.

What is transfer of energy?

Transfer of energy means the transformation of energy from one form to another form or from one place to another place.

When we place ice cubes into a glass of lemonade, as we know that the temperature of ice cubes is low and it has low thermal energy and the temperature of lemonade is high and have a high thermal energy as compared to ice cubes. In this condition thermal energy goes from lemonade to the ice cube till they both have same thermal energy.

Hence, transfer of thermal energy takes place.

To know about transfer of energy, visit the below link:
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Answer 2

Answer: The heat energy from the room temperature lemonade transfers to the cold ice cubes, causing the temperature of the lemonade to drop and the temperature of the ice cube to rise until they are equal to each other.

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A car is traveling at a speed of 95 mi/h. If there are 0.62137 miles (mi) in a kilometer,what is the speed of the car in m/s?

Answers

Answer:

42 m/s

Explanation:

To we convert units for speed we can use dimensional analysis. First thing we do is seperate the measurement into a fraction. After this we can multiply by 1km over 0.62137 miles. We do this so that the miles cancel out.

$(95mi)/(h)$ × $(1km)/(0.62137mi)$ = $(95km)/(0.62137h)$

After this we can use a conversion factor and divide by 3.6.

$(95km)/(0.62137h)$ ÷ 3.6 = 42 m/s

Consider the following reaction.CO2(g) + Hz(9) —CO(g) + H2O(1)
What is being oxidized?
carbon
carbon dioxide
oxygen
hydrogen
o

Answers

Answer:

Hydrogen

Explanation:

Oxidation and reduction are two types of chemical reactions known as redox reactions. (Red - reduction; ox - oxidation).

A substance is oxidized when it receives an oxygen atom from an oxidizing agent. The substance that receives oxygen is known as a reducing agent.

A substance is reduced when it donates an oxygen atom to another atom. Thus, the substance is known as an oxidizing agent - it supplies oxygen.

In the reaction:

CO2(g) + Hz(9) —CO(g) + H2O(1)

CO₂ loses oxygen to become CO and H₂ gains oxygen to become H₂O. Thus, CO₂ is an oxidizing agent and H₂ is a reducing agent.

Your hydrogen is being oxidized and your carbon dioxide is being reduced.

In your own words describe the difference between the movement of particles in liquids and the movement of particles in gases.

Answers

In liquids, particles are slightly spaced from each other and move around somewhat freely, but still bump into each other. Gases on the other hand move randomly and rarely bump into each other, thus they are more spaced out.

Final answer:

In liquids, particles keep changing their neighbors while sliding past each other, confined to the shape of the vessel. In gases, particles are free, separated by large distances, and move rapidly in straight lines. Temperature is a measure of the average motion energy of the particles in both liquids and gases.

Explanation:

The movement of particles in liquids and gases is different due to their states of matter. In liquids, particles are held together by attraction, allowing them to slide smoothly past each other and change neighbors, but they remain confined to the shape of the vessel they are in. This is a less energetic state of movement.

On the other hand, in gases, particles are broken free of bonds. They travel in straight lines and are separated by large distances compared to their size, colliding with each other or the walls of the container. They are in a more energetic state and rapidly occupy all the accessible volume, hence gases can expand without limit to fill their containers.

At a microscopic level, the temperature of a liquid or gas is a measure of the average motion energy of the particles making it up - the hotter the liquid or gas, the more rapid the motion of its molecules or atoms.

Learn more about Particle Movement in Liquids and Gases here:

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How does the frogs vestigial thumb help survival?

Answers

to help create food establishment.

A mole or fraction of a mole represents a ____ number of atoms or molecules.A : specific

B : nonspecific

Answers

Answer:

specific

Explanation:

a mole represents the amount of grams it takes to have avogadro's number

Answer:

A is your answer

Explanation:

When Kay added 30 g of hydrochloric acid (HCl) to 65 g of Zn, bubbles appeared and a white precipitate, zinc chloride (ZnCl2) was produced. She found that the mass of the zinc chloride was 93 g. Since the Law of Conservation of Matter stated that matter can't be created or destroyed, she was puzzled about the difference in mass. What is the best explanation for the missing 2 g?A) 2 g of zinc disappeared.
B) 2 g of hydrogen gas were produced.
C) Kay didn't correctly mass the precipitate.
D) Kay didn't collect all of the precipitate.

Answers

Answer: B) 2 g of hydrogen gas were produced.

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

$Zn(s)+2HCl(aq)\rightarrow ZnCl_2(s)+H_2(g)$