What is the percent error for a mass measure ment of 17 g , given that the correct value is 20.3 g ? Answer in units of %.

Harvey kept a balloon with a volume of 348 milliliters at 25.0˚c inside a freezer for a night.  when he took it out, its new volume was 322 milliliters, but its pressure was the same.  if the final temperature of the balloon is the same as the freezer’s, what is the temperature of the freezer? the temperature of the freezer is  kelvins.

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

I’m an electrically neutral atomic any element, there are equal numbers of