Chemistry, 06.01.2021 22:20 margaret8800
When you go to a rock concert, how do earplugs protect your hearing? HELP IF YOU WANT BRAINLEIST AND TO HAVE YOUR COMMENT LIKED!!
A. They help block out most of the sound.
B. They help increase the volume of the music.
C. They help lower the pitch of the music.
D. They help raise the pitch of the music.
Answers: 3
Chemistry, 21.06.2019 18:50
Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.
Answers: 2
Chemistry, 22.06.2019 10:00
Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5
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Chemistry, 22.06.2019 10:00
Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Chemistry, 22.06.2019 10:20
In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow
Answers: 2
When you go to a rock concert, how do earplugs protect your hearing? HELP IF YOU WANT BRAINLEIST AND...
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