What amount of heat is required to increase the temperature of 75

Slides:



Advertisements
Similar presentations
Notebook p 29 Three Ways To Determine Density. 1) Regular Objects 1.Measure the each side of the block in centimeters. Calculate volume in cm³: multiply.
Advertisements

Density. Density= Mass Volume D= m V Mass Mass: Amount of matter in a substance. Don’t confuse with weight. Weight: the force with which the earth pulls.
Determining the Molar Heat of Combustion for Paraffin
Physical versus Chemical Properties The study of matter.
Density by. Density is _______per unit _______ of a material D = m ÷___ m = ___x___ v = m ÷ ____ D = _____ g/mL or g/cm 3 m = ____in grams L = length.
Purpose: Have you ever wondered why some foods give you more energy than others? Background Information: Calorimetry is the study of finding the amount.
Density A Physical Property of Matter. What is Density? Density is the amount of mass in a given volume. Density is the amount of mass in a given volume.
1. Which is more dense, water or wood? How do you know? 2. Which is more dense, 1 pound of lead or 100 pounds of lead? Wood, if it sinks in water. SAME!
Density. Problem 1 Given: mass = g volume= 100 ml Find: density Solution: DV M.
% by Mass Another way to measure the concentration of a solution % by mass = mass solute x 100 mass solution Solution = solute + solvent.
The Density Column. Using Density to Predict Position If we put a solid into a liquid, and the solid is more dense than the liquid it will If the liquid.
Density. Matter: anything that has mass and takes up space –Mass – the amount of matter in something –Volume – the amount of space something occupies.
Introduction to Matter Lecture: Calculating Density.
The Density Column. Question… If the lead weight is dropped into the beaker of water… will it sink or float? d= 11.4 g/ml What will happen if it is dropped.
Density DEF: amount of mass in a certain volume. Density is a physical property. Solids have the highest density. Gases have the lowest density. The density.
DENSITY and TEMPERATURE It’s time to get at that work.
Density Equation m V d SymbolVariableUnits dDensityg/cm 3 or g/mL mMassgrams VVolumecm 3 or mL.
Density How close together the molecules of an object are. How Dense the molecules are. “Dense forest” = thick, hard to see through.
What is the formula? How can density be used to identify materials?
Density Where Mass meets Volume. What to Know How do I convert units in Density Problems? ConversionExamples 1000 g = 1 kg a.1500 g = ______ kg b
Density Section 2.1 Measurement of how packed or crowed object is Ratio of mass to volume.
Specific Heat Capacity Every substance has it’s own specific heat because it has a different arrangement of atoms SubstanceSpecific Heat (J/g°C) Water4.18.
Therefore, different densities. Formula Triangle Cover up the thing you want to calculate and the formula will appear! M VD.
Heat energy is measured in units called joules or calories. 1 calorie is the amount of heat energy needed to raise the temperature of 1.0 g (mL) of water.
1)A g sample of vanadium (specific heat of 0.49 J/g˚C) was heated to ˚C (its initial temperature). This piece of vanadium is then placed into.
Density The property of density is intensive and is the measure of the ratio of an objects mass to its volume. Density is a physical property of matter.
Physical versus Chemical Properties The study of matter.
Density Chemistry Mrs. Coyle.
Density Density: the ratio of the mass of an object to its volume.
Determining Enthalpy of Rxn by Experiment
Specific Heat Capacity
Thermochemistry The branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.
Density.
Density Chemistry Mrs. Coyle.
Physical versus Chemical Properties
How to find the density Of an irregularly shaped Object.
Mass, Volume & Density.
Density
Density Notes.
PHYSICAL VERSUS CHEMICAL PROPERTIES
Determining if an object will float or sink
Warm-Up Perform the following calculations and write your answer with the proper number of sig figs. (1.79 g) / (3.7 mL) = (432.0 cm) x (120 cm) = (2.
DENSITY Density is defined as mass per unit volume. It is a measure of how tightly packed and how heavy the molecules or atoms are in an object. NOTES.
Density -density is the amount of stuff in a given volume; it is symbolized as ρ -it is mass per volume; note that units can be virtually any mass or volume.
If you have two solids that look alike and you want to tell them apart…how could you do it. You are not allowed to taste it or smell it.
Physical Science Density Challenge 2
Physical versus Chemical Properties
V.Density.
Understanding Density
Density Concept Questions.
MEASUREMENT Part4.
U4-3 Density Review Write the density formula.
Calorimetry Practice 1. If a 1.45 g sample of iron at 95.0 ˚C is placed into water at 21.6 ˚C , if the final temperature of the water and iron is 26.7.
Physical versus Chemical Properties
Characteristic physical properties
Physical versus Chemical Properties
Physical versus Chemical Properties
Density.
Chemistry Created by Mrs. Coyle
Volume and Density.
Physical versus Chemical Properties
Physical versus Chemical Properties
Viscosity Is the resistance to flow Is an Intensive Property Example:
Unit 1 Notes: Graphing & Density
Physical versus Chemical Properties
Physical versus Chemical Properties
Physical versus Chemical Properties
Percentage Yields.
Today’s Agenda…8/23 Bellringer: Find the volume of an object that causes the water to rise from 23mL to 45mL. Crazy Canisters Discussion Notes on Density.
Presentation transcript:

What amount of heat is required to increase the temperature of 75 What amount of heat is required to increase the temperature of 75.0 g of water by 22.3C? The specific heat of water is 4.184 J/gC.

What amount of heat is required to increase the temperature of 75 What amount of heat is required to increase the temperature of 75.0 g of water by 22.3C? The specific heat of water is 4.184 J/gC.

What is the mass of an ethanol sample (density = 0 What is the mass of an ethanol sample (density = 0.79 g/mL) having a volume of 47.5 mL?

What is the mass of an ethanol sample (density = 0 What is the mass of an ethanol sample (density = 0.79 g/mL) having a volume of 47.5 mL?

What volume of mercury (density = 13.53 g/mL) has a mass of 25.1g?

What volume of mercury (density = 13.53 g/mL) has a mass of 25.1g?

Find the volume for the object.

Find the volume for the object.

Find the volume for the object.

Find the volume for the object.

Find the volume for the object.

Find the volume for the object.

45.67 +3.9

23 +273.15