If a mineral has a metallic shine and scratches, which of its properties are being measured? Choose the two correct answers.

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

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