Chemistry, 13.02.2020 02:27 elizabethatkins1922
To what decimal place should each answer be rounded? How many significant figures does the rounded answer have? 101 cm β 99.1 cm = 1.9 cm (unrounded) After rounding, the answer should be reported to the tenths place and thus has significant figures . 0.5 atm + 9.8 atm = 10.3 atm (unrounded) After rounding, the answer should be reported to the tenths place and thus has 2 siginificant figures .
Answers: 2
Chemistry, 22.06.2019 14:50
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
Answers: 1
Chemistry, 22.06.2019 16:00
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Chemistry, 22.06.2019 21:30
Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
Answers: 3
To what decimal place should each answer be rounded? How many significant figures does the rounded a...
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