The molar mass of two equally sized samples of unknown gaseous compounds is shown in the table. Molar Mass Comparison Gas Molar Mass A 17 g/mol B 36.5 g/mol Which statement describes the density and diffusion of both gases at STP? Gas A has a higher density and diffuses faster than Gas B. Gas A has a higher density and diffuses slower than Gas B. Gas A has a lower density and diffuses faster than Gas B Gas A has a lower density and diffuses slower than Gas B.
Answers: 1
Chemistry, 23.06.2019 05:00, xxaurorabluexx
Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.
Answers: 2
Chemistry, 23.06.2019 18:30, vchery21
Match the following items. match the items in the left column to the items in the right column. 1. 1/1,000 precision 2. uncertainty value of measurement milli- 3. 1,000 accuracy 4. instrument to measure volume balance 5. degree of exactness of a measurement centi- 6. instrument to measure mass graduated cylinder 7. correctness of a measurement ± value 8. 1/100 kilo-
Answers: 1
The molar mass of two equally sized samples of unknown gaseous compounds is shown in the table. Mola...
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