Home
Subjects
Create
Search
Log in
Sign up
Upgrade to remove ads
Only $2.99/month
Chem
STUDY
Flashcards
Learn
Write
Spell
Test
PLAY
Match
Gravity
Terms in this set (36)
Mega (M)
10E6
Kilo (k)
1000
Deci (d)
0.1
Centi (c)
0.01
Milli (m)
0.001
Micro (μ)
10E-6
Nano (n)
10E-9
In a chemical reaction, the type of products obtained is largely determined by which part of the reacting chemicals?
electrons
What must be done to be certain that a chemical change has taken place?
Check the composition of the sample before and after the change
Which of the following is true for all chemical reactions?
The total mass of the reactants equals the total mass of the products
The diameter of a carbon atom is 0.000000000154m. What is the number expressed in scientific notation?
1.54 x 10E-10m
Conversion factors are useful in solving problems in which a given measurement must be expressed in ________?
some other unit of measure
Which of the following measurements is expressed to three significant figures?
7.30 x 10E-7km
In the measurement 0.503 L, which digit is the estimated digit?
3
How many sig figs are in the measurement 811.40 grams?
five
Express the sum of 7.68 m and 5.0 m using the correct number of sig figs
12.7
Express the product of 2.2 mm and 5.00 mm using the correct number of sig figs
11mm^2
What is the measurement 111.009 mm rounded off to four sig figs?
111.0
A conversion factor that shows the direct relationship between grams and kilograms is _____________
1000g/1kg
What is the volume of a salt crystal measuring 2.44 x 10E-2m by 8.4 x 10E-3m?
2.9 x 10E-7m^3
What quantity is represented by the metric system prefix deci-?
0.1
What is the metric system prefix for the quantity 0.000001?
micro-
Which of the following volumes is the smallest?
one microliter
Which temperature scale has no negative temperature?
Kelvin
What is the boiling point of water in kelvins?
373K
Which of the following mass units is the largest?
1 dg
The weight of an object ____________
depends on its location
If the temperature changes by 100 K, by how much does it change in degrees C?
100
What is the quantity 0.0075 meters expressed in centimeters?
0.75 cm
The quantity 44 liters expressed in cubic meters is _________
0.044m^3
Density is found by dividing
mass by volume
As the density of a substance increases, the volume of a given substance
decreases
A train travels at a speed of 30 miles per hour. If 1 mile = 1.6 kilometers, how fast is the train traveling in kilometers per minute?
0.8 km/min
Express 0.06 liters in cubic meters, using the correct abbreviations
.00006 cm^3 or 6 x 10E-5 cm^3
What is the density of an object having a mass of 4.0 g and a volume of 39.0 cubic centimeters?
0.10 g/cm^3
What is the volume of an object with a density of 7.73 g/cm^3 and a mass of 5.40 x 10E2?
226 g
This set is often in folders with...
AP Chem Entrance Exam
342 terms
Chapter 3 Chemistry
54 terms
H chem unit 1 test (practice test answers)
110 terms
You might also like...
Unit 1 Study Guide
44 terms
Chem 1211- Ch 1
41 terms
Chemistry Midterm Review Chapter 3
44 terms
H Chem Ch. 3
39 terms
Other sets by this creator
Macroeconomics: Principles of Economics Macro ECON…
180 terms
Macroeconomics: Principles of Economics Macro ECON…
180 terms
Business Ethics Final- Quiz Questions
20 terms
Business Ethics Midterm- Quiz Questions
60 terms
Other Quizlet sets
PSYC350 Exam 1
26 terms
Globalization
36 terms
Oceanography chapter 10
28 terms
Bio Test 3 Study Guide (3)
29 terms