Chlorine gas occupies a volume of 311 mL at 685 torr pressure. What pressure in torr would the gas exert if the volume was increased to 599 mL? *Record your to the nearest whole number (ones place). Do NOT include units in your answer.

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

2points what is the job of a scientist? a. to answer ethical questions. b. to write laws based on his or her knowledge. c. to ask and answer scientific questions. d. to ignore facts that do not support his or her theory.

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.