Flashcards in Chapter 3 And 10 Deck (18):

0

## Convert and form scientific notations.

###
Coefficient (1-10)

Followed by 10 raised to a power

1

## Accuracy vs. precision

###
Accuracy- how close a measurement comes to the true vale.

Precision- how close a series of measurements are to each other

2

## Determine the correct # of sig. Figs. In a measurement

###
All know digits and the last one that is estimated.

Rules

Decimal present (Pacific) start on left side

Decimal absent (Atlantic) start on the right side

3

## Use the rules for calculating sig figs

###
Pacific (left)

Atlantic (right) no decimal

4

## Identify common SI units

###
Mili- 1000

Kilo- 1000 (more)

Centi- 100

5

## Convert between Celsius and kelvin

###
K to c = c+237

C to k = k-273

6

## Calculate density

###
Mass

Volume

7

## Complete simple metric conversions

### Notes

8

## Memorize mole

### 6.02X10^23

9

## Convert numbers of moles to numbers of particles

### Take number of moles X 6.02X10^23

10

## Find molar mass of an elephant

### They'll

11

## Find molar mass of a compound

###
The mass of a mole of a substance found on the periodic table.

Always under element name. (Round to 4 sig figs)

12

## Covert mass to mole

### See notes

13

## % error

###
Experimental -accepted. X100%

Accepted

14

## Decimal sig fig

###
1. Start on left, start counting at non-zero number

Go to the end

15

## Non decimal sig fig

### Start on right, non zero number, count until the end

16

## Density of water

### 4 C is 1g/mL

17