Chemistry, 13.05.2021 23:30 naomi12360
How many moles would there be in 34.67 liters of carbon monoxide measured at STP?
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
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Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
How many moles would there be in 34.67 liters of carbon monoxide measured at STP?...
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