Water would have been ____ the cadmium. 1.Hotter than 2.Colder than 3.Same temp as 1234567891011121314151617181920 2122232425262728293031323334353637383940.

Slides:



Advertisements
Similar presentations
wax water 1. When water evaporates its PE goes up so the KE (and temp.) must go down. Evaporation is a cooling process. 2. When wax freezes its PE goes.
Advertisements

MEASURING THE MOVEMENT OF MOLECULES
Latent & Sensible Heat To help you understand the refrigerant phases (changes) in a vapour compression system, let us first consider the basic properties.
Temperature Measuring Temperature. Temperature Particles are always moving. When you heat water, the water molecules move faster. When molecules move.
Heat Why is it colder in the night than in the day? The sun is the greatest heat source in the world. As the sun comes up, it warms the world. As the.
Freezing/Melting and Boiling Points. Spacing of Molecules in a Solid, Liquid, & Gas Use this link racter.html.
Endothermic Reactions (need heat) (Absorb heat energy from their surroundings) Solid + heat  Liquid (Fusion/Melting) Liquid + heat  Gas (Boiling/Evaporation/Vaporization)
Last time: steam is boiled water. It is not the same as water vapor, which is water dissolved in air. This is not pure steam. Pure steam is clear (transparent.)
Do now! Can you finish the “fractional distillation” sheet you started on Friday? Can you also look through the comments in your book?
Temp Conversions Centigrade, Fahrenheit, Absolute.
How many joules are needed to change 120.g of
Chapter 2 Energy in the Atmosphere. Energy It’s what makes things happen.
It’s estimated that 1.1 billion people don’t have easy access to drinking water, and 2.6 billion people don’t have water that’s clean enough. The Celsius.
Thermodynamics Notes Section: 10.4.
The Fahrenheit and Celsius scales use different numerical values for the freezing and boiling points of water. The Celsius degree is larger than the Fahrenheit.
Kinetic Energy and Kelvin Temperature BY: MELVIN G. FLORES East Gadsden High School.
Heating/Cooling Curve Melting (ice & water) ALL ice ALL Water Vaporizing (water & vapor) ALL Vapor.
Warmup 1) Solve for x 689 = (1.8)(x)(45.2 – 27.4) 689 = (1.8)(x)(17.8) 2) On a hot summer afternoon, you get into the car, and it’s unbearably HOT inside!
Fahrenheit and Celsius Conversion Formulas Fahrenheit to Celsius: Celsius to Fahrenheit:
Chapter 19 Temperature scales: Fahrenheit, Celsius (centigrade), Kelvin Thermal expansion The ideal gas law Part 3 Thermodynamics Chapter 19: Temperature.
Temperature There are three different scales for temperature: Fahrenheit, Celsius, and Kelvin. Fahrenheit and Celsius are the two most commonly used scales.
1 GCSE Physics Solids, liquids and gases. 2 Lesson 4 – The structure of matter Aims: To understand that a substance can change state from solid to liquid.
Matter. Review States of Matter Solid Liquid Gas Plasma.
Temperature and Thermal Energy
Warmup Given the following equations: H 3 BO 3(aq)  HBO 2(aq) + H 2 O (l) ΔH rxn = kJ H 2 B 4 O 7(aq) + H 2 O (l)  4HBO 2(aq) ΔH rxn = kJ.
Heat and Temperature. Temperature Objective  Define temperature in terms of the average kinetic energy of atoms or molecules  Convert temperature readings.
Chapter 1 Lesson 3 (cont.) “How to Use the S.I. System”
Chapter 15 =
LecturePLUS Timberlake1 Temperature Particles are always moving. When you heat water, the water molecules move faster. When molecules move faster, the.
Fahrenheit, Celsius & Kelvin. Temperature  Is a measure of how hot or cold an object is compared to another object.  Indicates that heat flows from.
Temperature, Thermal Energy, and Heat.  Thermal Energy – The total energy (potential and kinetic) of all of the particles in an object.  The greater.
Lesson 5: Temperature and Density. Heat A form of energy that can move from a hot place to a cooler place.
Basic Processes TemperatureFreezingMelting Boiling Evaporation Condensation.
Heat Examples Heat up Water from 21C to 95C m = 1 kg c = 4180 Q = mc  T Q = (1)(4180)(95 – 21) Q = 309,320 Joules.
Metric Measurements Living Environment. Objectives Convert between various metric units. Accurately measure length, volume, mass, and temperature.
Unit 1.  Energy is the ability to do work or produce heat  Thermodynamics is the production of heat.
Heating Curves. Energy and Phase Change When adding heat to a solid, energy added increases the temperature and entropy until the melting point is reached.
Formation of Solutions By Adam Krull and Trevor Edinger.
Heat Molecules and Motion The motion of molecules produces heat The motion of molecules produces heat The more motion, the more heat is generated The.
Temperature & Heat TEMPERATURE: a measure of how rapidly or how slowly molecules move around.
Salt in Boiling Water By John-Paul Evans. Purpose What does ice do to hot boiling salt water and why does it do it?
Temperature How Hot is it?. Temperature Temperature is a measure of the average kinetic energy of a molecule of a substance, or… How “hot” it is. On Temperature.
What does a temperature below zero mean?. In this lesson you will learn how to use positive and negative numbers by thinking about situations with temperature.
Physical and Chemical Changes Unit 4—. Concept of Change Change: the act of altering a substance.
Energy flows from warmer to cooler objects
Temperature and Heat. Temperature Temperature is a measure of the average kinetic energy of the particles in an object. (how fast or slow the particles.
Temperature and Heat: page 73 QUESTION: Why do objects get cold? OBJECTIVE: SWBAT explain the difference between temperature and heat. VOCABULARY:temperature.
How does understanding the science and technology of heat and temperature improve the quality of our lives?
ENERGY. substance-like quantity present in every system of particles always involved when a system undergoes change.
Temperature vs. Heat. Thermal Energy The total potential and kinetic energy of the particles in a system make up thermal energy. The kinetic energy comes.
Thermochemical Calculations
Chapter 1.4 Notes Temperature. An object in motion is capable of doing work and contains energy. An object in motion is capable of doing work and contains.
Energy Flows From Warmer To Cooler Objects
Heat, Temperature, and Internal Energy
Temperature.
Temperature Feeling hot, hot, hot….. Temperature Temperature – a measurement of how much kinetic energy the particles contain.
Boiling, Freezing, and Melting Water
Examples-Colligative Properties. Example Rubbing alcohol is a solution of 50% C 2 H 5 OH and water. Would you expect rubbing alcohol to conduct electricity?
Welcome Wednesday! Get ready for warm up #1 Get ready to take notes on our new unit: Thermodynamics.
Latent Heat Example Problems Kimal Honour Djam. 1.A 1.50-kg iron horseshoe initially at 600°C is dropped into a bucket containing 20.0 kg of water at.
Conduction and Convection. What happens when cold (coloured) water is poured into hot clear water? A current will be created. Why is a current created?
This model best represents which phase of matter? Solid, liquid, gas, plasma.
KEY WORDS: heat, thermometer, joules, degree Celsius, temperature, energy, thermogram.
Unit 1.  Energy is the ability to do work or produce heat  Thermodynamics is the production of heat.
Temperature and Its Measurement When the physical properties are no longer changing, the objects are said to be in thermal equilibrium. Two or more objects.
Temperature Chapter 46 What is Temperature? Temperature is a measure of how hot something is. To measure temperature accurately we use a thermometer.
What types of materials have low specific heats? What are some advantages/disadvantages to this? What types of materials or substances have high specific.
Thermal Expansion Hotter = Bigger What happened to the sidewalk?
Science Experiment: Measuring the time it would take for ice to melt Submitted By: Jasmine A. Brown Submitted to: Mrs. Johnson Date: October 8, 2012.
Heat and thermodynamics Lesson 6.3. Thermodynamics It is the study of conversions between thermal energy and other forms of energy.
Presentation transcript:

Water would have been ____ the cadmium. 1.Hotter than 2.Colder than 3.Same temp as

Which L is bigger? 1.Latent heat of fusion/melting 2.Latent heat of vaporization/boiling 3.Same

Can you freeze water with many zero degree Celsius ice cubes? 1.Yes 2.No