Select the warmer temperature in each pair (Show the conversions): a) 10°C or 10°F b) 30°C or 15°F c) -10°C or 32°F d) 200°C or 200°K

Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you

How many grams of n2h4 will be consumed by 23 g of n2o4

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.