The unit "troy ounce" is often used for precious metals such as gold (au) and platinum (pt) (1 troy ounce= 31.103 g). (a) a gold coin weighs 2.41 troy ounces. calculate its mass in grams. (b) is a troy ounce heavier or lighter than an ounce (1lb =16 oz; 1lb =453.6 g)?

During which movies do spring tides new moon first quarter waxing gibbous waxing

The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral

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.