How are elements
and compounds
different?...
Answers: 1
Chemistry, 23.06.2019 10:30
How is it possible for someone to put an ear to a wall and hear someone in the next room? a.sound waves can travel though solids. b.the waves travel from room to room via air. c.there must be some air in the wall so the sound can travel through it. d.sound waves change to electromagnetic waves and then back again.
Answers: 1
Chemistry, 23.06.2019 13:00
Johnny's bakery has 30,900 grams of sugar. a recipe calls for 32 pounds of sugar to be used. how much sugar will be left over? (1 lb=453.59 g).
Answers: 2
Chemistry, 23.06.2019 17:00
Identify the missing coefficient in the balanced equation and classify the type of reaction. mg(oh)2 + h2so4 ⟶ mgso4 + 1; combustion 1; neutralization 2; combustion 2; neutralization
Answers: 1
English, 05.06.2020 18:01
Mathematics, 05.06.2020 18:01