A tone that is lower in pitch is lower in what characteristic?=frequency
Answer:
Evaporation
Explanation:
Though it doesn't require high temperatures to do so
Yes, they are right.Very good hand writing! You did a very great job on showing your work.
Answer:
9.55 grams of SiO2
Explanation:
If the mass you mean by grams:
0.159 mole x 60.08 g (Periodic table by adding both elements)
Cancel moles with moles (Original moles with the 1 mol at the bottom of the grams) and gives you:
9.55 grams of SiO2