Chapter 1: Matter and Measurements

________ may have a change in properties after getting separated out.

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anything physically real i.e. anything with mass and volume.

uniform in its chemical composition and its properties all the way down to the microscopic level.

A pure substance that cannot be broken down chemically into simpler substances

Any pure material that can be broken down into simpler substances by a chemical change

The ________ unit for reporting temperature, however, is the kelvin (K)

They consist of ________ and products.

________ alter with the outer condition /state of a substance whereas Chemical changes alter the chemical make up of the substance.

Any ________ that can be broken down into simpler substances by a chemical change is called a chemical compound.

________- describes what matter is made of.

But ________ is not the only property that can be used to distinguish between objects.

________: Zeroes at the end of a number and before an implied decimal point may or may not be significant.

________ are of two types- Homogenous mixture and Heterogenous mixture.

________ can be separated out without any change in properties.

describes what matter is made of

which describes how matter behaves

ice

Homogenous mixture and Heterogenous mixtures

sugar dissolved in water

vegetable stew in which each spoonful is different,

Zeroes in the middle of a number are like any other digit; they are always significant

Zeroes at the beginning of a number are not significant; they act only to locate the decimal point

Zeroes at the end of a number and after the decimal point are significant

Zeroes at the end of a number and before an implied decimal point may or may not be significant

Starting quantity * Conversion factor = Equivalent quantity

273.15

°F = ( (1.8°F/ °C) * °C) + 32 °F

the density of the substance divided by the density of water at the same temperature. It is unitless.

The amount of heat needed to raise the temperature of 1 g of a substance by 1 °C