How many grams of co2 are in 15 mol of the compound?

What overall charge must all compounds have

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.