the following quantities are placed in a container:1.5x10^24 atoms of hydrogen, 1.0mol of sulfur, and 88.0 g of diatomic oxygen. a) what is the total mass in grams for the collection of all three elements? b) what is the total number of moles of atoms for the three elements? c) if the mixture of the three elements formed a compound with molecules that contain two hydrogen atoms, one sulfur atom, and four oxygen atoms, which substance is consumed first? d) how many atoms of each remaining element would remain unreacted in the change described in (c)?
Answers: 1
Chemistry, 22.06.2019 16:00, winnie45
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
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Chemistry, 23.06.2019 01:20, cedricevans41p4j3kx
Use the de broglie's wave equation to find the wavelength of an electron moving at 4.5 × 106 m/s. show your work. note: h= plank's constant (6.62607 x 10-34 j s)
Answers: 1
Chemistry, 23.06.2019 10:00, JuanTorres7
Which of the following reasons best explains why a scientist would want to replicate gregor mendel's pea plant experiment? a. to discover new aspects of the natural world b. to test the predictions of current theories c. to explain recently observed phenomena d. to test the conclusions of prior investigations
Answers: 1
the following quantities are placed in a container:1.5x10^24 atoms of hydrogen, 1.0mol of sulfur, an...
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