Identify the following as kinetic of potential energy examples: -Hitting a cue ball in a billiards game -A coiled spring. -Accumulated snow in a mountain -Going downhill on a bicycle

Q: If the temperature increases, does the motion of particles increase or decrease?

A: Interpretation - If the temperature increases, then motion of particles increase or decrease is to…

Q: Which of the following is a homogeneous  mixture? Hint: silver chloride is insoluble in water…

A:

Q: Which physical state is described as having particles closely packed and held rigidly in position?

A: There are three physical states present, namely, solid, liquid and gases. Each state has different…

Q: Label each of the following as either a physical process or a chemical process:(a) rusting of an…

A: Physical processes - A change where there is physical deformation of the existing species has…

Q: Which physical state has particles with the most movement?

A: Physical states: One of physical condition of states in which matter exists is called as states.…

Q: Identify two forms of energy that are involved in each of the following energy conversions relating…

A: Energy can neither be created nor destroyed. They can only be converted from one form to another.

Q: Describing the relationship between the melting time for an ice cube and amount of salt sprinkled on…

A: The freezing point depression is the one that results in lowering of freezing point of the pure…

Q: What is the unit of energy now used in the metric system? Give both name and symbol.

A: Unit of energy in metric system is to be accomplished.

Q: A vanilla milkshake at a restaurant contains 542 calories. What quantity of energy is in this shake…

A: 1 kilocalories = 4184 joules1 calorie = 4.184 joules.

Q: Rank the physical and chemical changes in order of decreasing of the amount of energy released: (a)…

A: If the quantity of water that is condensed in and subsequently precipitated from a cloud is known,…

Q: What are the properties of a gas?

A: ANSWER

Q: In self-contained breathing devices used by first responders, potassium superoxide KO2 reacts with…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: What is the temperature of the air in the tire

A: At constant volume, the pressure of a gas is directly proportional to the temperature.

Q: heat (in joules

A:

Q: As a material expands its weight per unit of volume

A: Density = mass/volume  Expansion means increase in the volume

Q: Is a pencil being sharpened a chemical or physical change

A:

Q: What misconceptions do you have about ENERGY?

A: Energy of a body is ability to do work. It includes chemical energy, kinetic energy, potential…

Q: olecule in units

A: Dear student I have given answer to your question in the image format.

Q: State the difference between physical and chemical changes

A:

Q: A tablespoon of olive oil contains 115 nutritional calories. How many joules of energy are in this…

A: Given : energy in calories = 115 cal.

Q: ng kinetic energy

A:

Q: Write a balanced equation for the combustion of gaseous methane (CH,), a majority component of…

A: A chemical equation is the simplest and easiest way to write the chemical formula of each of the…

Q: Which is an example of fuel that takes the shape of container and has definite volume?

A: The fuel that takes the shape of container and has definite volume, it should be in liquid phase.

Q: When heated, solid copper(II) carbonate decomposes to solid copper(II) oxide and carbon dioxide gas.…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: A sample of liquid benzene is heated until it boils; is this a chemical change true of false?

A:

Q: A student observed a sample of water in three states of matter. The student should describe the…

A: Three state of matters are solid, liquid and gas. Solids have very strong intermolecular attraction…

Q: A European car advertises an efficiency of 22 km/L, while and American car claims an economy of…

A: Conversion of gallons per liter to kilometre per liter is done by

Q: Classify each of the following as a physical (P) or a chemical (C) change   Cooking an egg Boiling…

A: Before we classify the given changes as Physical Change or Chemical Change, let's understand the…

Q: Which of the following is not a form of energy?

A: Capactity to do work is called energy various types of energies are   1. Thermal energy   2.…

Q: 1. Two pans of water are on different burners of a stove. One pan of water is boiling vigorously,…

A: The amount of energy required to convert some amount of liquid water to gas or steam at constant…

Q: The following particulate-level diagram best represents a(n).

A: We are given a particulate-level diagram as follows:

Q: Classify the following quantities if extensive or intensive property: 4 a.) Temperature b.) Mass c.)…

A: Given quantities: a) Temperature b) Mass c) Weight d) Volume We have to classify these quantities as…

Q: the kinetic energy of particles

A: The kinetic energy of the Gas is greater than the kinetics of liquid, greater is the kinetic energy…

Q: How much heat, in Joules, is absorbed by 54 g of water in order to increase in temperature from 18°C…

A: Given that:  Mass of water = 54 g Increase in temperature , t =  (55-18 )oC = 37 oC

Q: how many joules of heat are absorbed?

A:

Q: Which is a property of a nonmetal? A. Poor conductor of electricity B. Solid at room temperature C.…

A: We know that a nonmetal is Poor conductor of electricity

Q: Energy that an object has by virtue of its motion is called

A: Energy of object by virtue of motion is called kinetic energy

Q: If the height or mass of an object is increased, its energy will increase. ----

A: Energy is defined as the ability to do work. There are two types of energy Kinetic energy and…

Q: energy in motion.

A: Chemical energy is defined as the energy released or consumed during any chemical reaction.  On the…

Q: When sodium combines with water, sodium hydroxide and hydrogen gas are formed.  This is described as…

A:

Q: emalt temperature of 0°C equal to in Kelvin?

A: Temperature definition :    With the reference of standard value, measuring the warmth and coldness…

Q: what is the definition of a single replacement

A: • The chemical reaction in which one element takes the place of another element in a compound is…

Q: the movement of solid, liquid and gas molecule of water when the temperature rise up and cool down?

A: Water has the three states of matter as Solid (Ice), Liquid (Water) and Gas (Water vapors).

Q: of potential energy or kinetic energy.

A: Potential energy is defined as the energy possessed by the body by virtue of its position (energy…

Q: A change of kinetic energy of molecules create what property change in a body?

A: A question based on kinetic energy of molecules, which is to be accomplished.

Q: Box A and B are the same size and are connected by an open door. Box A is warmer at one instant in…

A: The given data : The size of both the boxes = same  They both are connected to open door The Box A…

Q: A student noticed a yellow, solid substance was formed when mixing two clear liquids during a lab.…

A: It is not a physical change because chemical reaction is taking place between two liquids to give a…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.