Answers: 1
Chemistry, 21.06.2019 23:30
Calculate the expected ph values of the buffer systems from the experiments (a,b,c,d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.
Answers: 2
Chemistry, 22.06.2019 04:30
There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.
Answers: 3
Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Chemistry, 22.06.2019 21:00
Need what is special about water as a compound? how does water regulate climate? what drives water evaporation? why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation? what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !
Answers: 1
For an electron in an atom to change from the ground state to an excited state, energy must be...
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Chemistry, 14.09.2019 09:20
Mathematics, 14.09.2019 09:20
Mathematics, 14.09.2019 09:20