What is the
formula and valency of
thiosulphate...
Answers: 2
Chemistry, 22.06.2019 08:30
What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
Answers: 3
Chemistry, 22.06.2019 10:50
How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.
Answers: 1
Chemistry, 22.06.2019 13:50
Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 18:00
The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.
Answers: 1
Biology, 13.02.2021 02:00
Chemistry, 13.02.2021 02:00
Computers and Technology, 13.02.2021 02:00
Computers and Technology, 13.02.2021 02:00
Biology, 13.02.2021 02:00
Mathematics, 13.02.2021 02:00
Mathematics, 13.02.2021 02:00
Computers and Technology, 13.02.2021 02:00
Physics, 13.02.2021 02:00
Mathematics, 13.02.2021 02:00
Biology, 13.02.2021 02:00
Mathematics, 13.02.2021 02:00
Mathematics, 13.02.2021 02:00
Mathematics, 13.02.2021 02:00