Science 10
List down your exposure to the different forms of electromagnetic waves. Write the time duration of exposure and your activity. Then identify the form of EM wave involved and the source of that wave. An example was given as your guide.
Example:
TIME
9:00 am-10:00 am
ACTIVITY
I watch my favorite Tv show
FORM OF EM WAVE
Radio wave
SOURCE
Television
Answers: 3
Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earthβs seasons.
Answers: 1
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
Science 10
List down your exposure to the different forms of electromagnetic waves. Write the time...
Mathematics, 17.06.2021 19:20
History, 17.06.2021 19:20
History, 17.06.2021 19:20
Physics, 17.06.2021 19:20
Chemistry, 17.06.2021 19:20