When would a measurement be both accurate and precise?
he measurement can be replicated...
Chemistry, 25.10.2019 00:43 dmorinville8
When would a measurement be both accurate and precise?
he measurement can be replicated
the measurement is around the accepted value
the measurement is close to the accepted value and can be reproduced
a reliable instrument was used to make the measurement
Answers: 1
Chemistry, 21.06.2019 18:00
When the following equation is balanced using the smallest possible integers, what is the coefficent of oxygen gas? c7h16o(g) + o2(g) → co2(g) + h2o(g) -1 -5 -8 -16 -21
Answers: 3
Chemistry, 21.06.2019 22:30
1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →
Answers: 3
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
English, 21.09.2019 22:30
History, 21.09.2019 22:30
Geography, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
Biology, 21.09.2019 22:30
History, 21.09.2019 22:30
English, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
Mathematics, 21.09.2019 22:30
Physics, 21.09.2019 22:30