Chemistry, 20.07.2020 01:01, genyjoannerubiera
Calculate the amount of carbon dioxid gas in 1.505x10^23 molecules of the gas. [L=6.02x10^23 mol^-1]
Answers: 2
Chemistry, 21.06.2019 20:30, notkeandre9
9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water
Answers: 1
Chemistry, 22.06.2019 12:30, hayleyconsole
Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.
Answers: 3
Calculate the amount of carbon dioxid gas in 1.505x10^23 molecules of the gas.
[L=6.02x10^23 mol^-1...
Mathematics, 14.04.2021 17:50
Mathematics, 14.04.2021 17:50