Chemistry, 14.04.2020 04:49 xxaurorabluexx
Magnesium reacts with hydrochloric acid (HCl) as follows. How many milliliters of hydrogen gas are produced by the reaction 0.020 mol of magnesium with excess of hydrochloric acid at STP? Make sure to use the correct number of significant digits. 0.448 mL 0.45 mL 448 mL 450 mL
Answers: 1
Chemistry, 21.06.2019 19:30
If the root word engage means βto connect with something,β what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal
Answers: 1
Chemistry, 22.06.2019 03:00
Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone
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Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
Magnesium reacts with hydrochloric acid (HCl) as follows. How many milliliters of hydrogen gas are p...
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