Need a little help with these 2 questions :)
*if you don’t know, don’t put anything*
...
Chemistry, 27.09.2020 07:01 kamarionnatillman13
Need a little help with these 2 questions :)
*if you don’t know, don’t put anything*
Answers: 1
Chemistry, 22.06.2019 06:30
Particle model to predict what will happen if a sharp object creates a hole in the soccer ball
Answers: 2
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 3
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Mathematics, 12.01.2021 22:10
Mathematics, 12.01.2021 22:10
Mathematics, 12.01.2021 22:10
Mathematics, 12.01.2021 22:10
Mathematics, 12.01.2021 22:10
History, 12.01.2021 22:10
Geography, 12.01.2021 22:10
Physics, 12.01.2021 22:10
Chemistry, 12.01.2021 22:10