After recording a prelimianry melting point range of 140-147 for an unknown solid, you identify it as o-nitrobenzoic acid. running a mixed melting point determination wiht o-nitrobenzoic acid affords a melting point range of 126-135. why did your melting point change so dramatically? what does this tell you about your intial assuption concerning the identify of your unknown solid

Which statement explains which thermometer is more appropriate to measure the temperature of a liquid at 43.6 degrees celsius a) thermometer a, because it measures temperature more accurately than thermometer b b) thermometer b, because it measures temperature more accurately than thermometer a c) thermometer a, because it measures temperature more precisely than thermometer b d) thermometer b, because it measures temperature more precisely than thermometer a