Science of Chemistry

Question 1

How many milliseconds is 0.452 seconds?

Accepted Answer

452 ms

Question 2

Studies the processes matter undergoes in living organisms

Accepted Answer

Biochemistry

Question 3

The tested factor in an experiment

Accepted Answer

independant variable

Question 4

Hertz is a unit which measures...

Accepted Answer

Frequency

Question 5

How many ng grams is 0.00321 cg?

Accepted Answer

3.21e4 ng

Question 6

Which is the correct measurement for the volume shown?

Accepted Answer

64.0 mL

Question 7

The study of compounds containing carbon

Accepted Answer

Organic Chemistry

Question 8

Which is the correct recording for the volume shown?

Accepted Answer

3.5

Question 9

What is the correct representation of the precision of the measurement 120 meters?

Accepted Answer

Between 115 and 124 meters?

Question 10

What area of chemistry would study the process of photosynthesis in plants?

Accepted Answer

Biochemistry

Question 11

Which digit in the measurement 120 meters is the uncertain digit?

Accepted Answer

2

Question 12

Chemistry is the study of

Accepted Answer

the study of matter and the changes it undergoes

Question 13

If 96.5 grams of gold has a volume of 5 cm3 , what is the density of gold?

Accepted Answer

20 g/cm3

Question 14

Plant A is watered twice as much as plant B to test its effect on growth. Water is the...

Accepted Answer

independent variable

Question 15

The experimental outcome

Accepted Answer

dependent variables

Question 16

Why is it important to have repeated trials in an experiment?

Accepted Answer

the more times we do something the more reliable our results

Question 17

A study of the effect of smoking on lung health would be an example of a(n)

Accepted Answer

observational experiment

Question 18

A _____ is a prediction or explanation that can be tested by experimentation.

Accepted Answer

hypothesis

Question 19

The density of a diamond is 3.5 g/cm3. What is the mass of a diamond whose volume is .5 cm3 ?

Accepted Answer

2 g

Question 20

A well-organized procedure that tests an idea

Accepted Answer

experiment

Question 21

What area of chemistry would study the manufacturing of gasoline from carbon-containing fuels?

Accepted Answer

Organic Chemistry

Question 22

A reference chart lists the density of gold to be 19.3 g/cm3. Calculate the percent error.

Accepted Answer

4 %

Question 23

If a 96.5g piece of aluminum has a density of 2.7 g/cm3 , what is its volume?

Accepted Answer

36 cm3

Question 24

What branch of chemistry would determine the energy when water boils?

Accepted Answer

Physical Chemistry

Question 25

What area of chemistry would study the formation of gemstones and other valuable minerals?

Accepted Answer

Inorganic Chemistry

Question 26

Percent Error is used to evaluate...

Accepted Answer

Accuracy

Question 27

Factors that remain constant throughout an experiment

Accepted Answer

controls

Question 28

How many Hertz is 93.3 MHz?

Accepted Answer

9.33e7 Hz

Question 29

How many significant figures is in the measurement 120 meters?

Accepted Answer

2

Question 30

What branch of chemistry would determine how much nitrogen is in a sample of air?

Accepted Answer

Analytical Chemistry

Question 31

Which is the correct measurement for the volume shown?

Accepted Answer

44.8 mL, 44.9 mL

Science of Chemistry

Questions 31

Science of Chemistry

Questions 31