Mara and Ivy are asked to identify two minerals in science class. To do this, they decide to study the physical properties of the minerals in the following ways.
1. Examine how they freeze.
2. Determine how they break.
3. Rub them on a white tile plate. What is the best method (or methods) for the girls to study the physical properties and
identity the two minerals?
1 only
2 only
1 and 2
2 and 3
Answers: 3
Chemistry, 22.06.2019 06:00, nikejose11
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 11:00, coco8560
Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
Chemistry, 23.06.2019 10:30, GiuliAzevedo
The element chlorine has two stable isotopes, chlorine-35 with a mass of 34.97 amu and chlorine-37 with a mass of 36.95 amu. from the atomic weight of cl = 35.45 one can conclude that:
Answers: 2
Mara and Ivy are asked to identify two minerals in science class. To do this, they decide to study t...
Social Studies, 27.10.2019 21:43
Mathematics, 27.10.2019 21:43
English, 27.10.2019 21:43