how many ml of oxygen gas will remain in the reaction vessel when 82.4ml of carbon monoxide gas reacts with 80.0ml of oxygen gas to form carbon dioxide under constant pressure and temperature?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.