A 2.8 L sample of carbon dioxide gas is at STP. The gas is transferred to a vessel and the volume is adjusted to 0.45 L and the temperature is brought to 340°C. What is the pressure, in mmHg, of the gas sample under these new conditions

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

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What are the similarities between compounds and mixtures?