In order for the reaction 2A(s)+6HCI3(aq)+ 3H2(g) to occur, which of the following must be true?
A. AI must be above CI on the activity series
B. AI must be above H on the activity series
C. Heat must be supplied for the reaction
D. AICI3 must be a precipitate

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

Which best explains why an iceberg floats?

Melting 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.